• MPS Catalog
  • Anodes
    • Anode Kits, Outboard
      • Anode Kit, Evinrude/Johnson Outboard Aluminum
      • Anode Kit, Evinrude/Johnson Outboard Zinc
      • Anode Kit, Honda Outboard Aluminum
      • Anode Kit, Honda Outboard Zinc
      • Anode Kit, Mercury Outboard Aluminum
      • Anode Kit, Mercury Outboard Zinc
      • Anode Kit, Suzuki Outboard Aluminum
      • Anode Kit, Suzuki Outboard Zinc
      • Anode Kit, Yamaha Outboard Aluminum
      • Anode Kit, Yamaha Outboard Zinc
    • Anode Kits, Sterndrive
      • Anode Kit, Mercruiser Aluminum
      • Anode Kit, Mercruiser Zinc
      • Anode Kit, OMC Stringer/Cobra Zinc
      • Anode Kit, Volvo Aluminum
      • Anode Kit, Volvo Zinc
      • Anode Kit, Yanmar Aluminum
      • Anode Kit, Yanmar Zinc
    • Continuity Kits & Ground Cables
    • Electronic Corrosion Systems
      • Mercathode Corrosion System
    • Engine & Powerhead Anodes
    • Hull Anodes
      • Bolt-On Anodes
      • Diver's Dream Anodes
      • Grouper Anode
      • Plate Stock Anodes
      • Tear Drop Anodes
      • Vetus Plate Anodes
      • Weld-On Anodes
    • Jet Drive Anodes
    • Outboard Anodes
      • Honda Outboard Aluminum Anodes
      • Honda Outboard Zinc Anodes
      • Johnson/Evinrude Aluminum Anodes
      • Johnson/Evinrude Zinc Anodes
      • Mercury/Mariner Aluminum Anodes
      • Mercury/Mariner Zinc Anodes
      • OXE Diesel Anodes
      • Suzuki Aluminum Anodes
      • Suzuki Zinc Anodes
      • Tohatsu Aluminum Anodes
      • Tohatsu Zinc Anodes
      • Torqeedo Outboard Anodes
      • Yamaha Aluminum Anodes
      • Yamaha Zinc Anodes
    • Outboard Powerhead Anodes
    • Pencil Anodes
      • Pencil Anodes, Engine Specific
      • Pencil Anodes, Generic
    • Propeller Anodes
      • Propeller Nut Anodes
      • Various Prop Anodes
    • Rudder & Trim Tab Anodes
    • Saildrive Anodes
    • Shaft Anodes
      • Donut Shaft Anodes
      • Streamline Shaft Anodes, Imperial
      • Streamline Shaft Anodes, Metric
    • Sterndrive Anodes
      • Cobra Aluminum Anodes
      • Cobra Zinc Anodes
      • Mercruiser Aluminum Anodes
      • Mercruiser Zinc Anodes
      • OMC Stringer Aluminum Anodes
      • OMC Stringer Zinc Anodes
      • Volvo Aluminum Anodes
      • Volvo Zinc Anodes
      • Yamaha Sterndrive Zinc Anodes
      • Yanmar Aluminum Anodes
      • Yanmar Zinc Anodes
    • Sterndrive Anodes Bolts and Caps
    • Thruster Anodes
  • Belts & Pulleys
    • Serpentine Belts
    • Serpentine Pulleys
    • Serpentine Tensioners
    • Timing Belts
    • V-Belt Pulleys
    • V-Belts
  • Boat Accessories
    • Ballast Pumps
      • Ballast Pumps
      • Impellers, Ballast Pump
    • Bilge Pumps
      • Aquavoid Bilge Pumps
      • Bilge Pump & Switch Kits
      • Bilge Pump Cartridges
      • Bilge Pumps
      • Float Switches
    • Blowers
    • Gas Shocks
      • Gas Shocks, Steel
      • Gas Shocks, Parts
      • Gas Shocks, Stainless
    • Macerator Pumps
      • Macerator Pump Parts
      • Macerator Pumps
    • Washdown Pumps
      • Washdown Pump Kits
      • Washdown Pump Parts
      • Washdown Pumps
    • Water Supply Pumps
      • Water Supply Pump Parts
      • Water Supply Pumps
  • Cooling
    • Coolers
      • Aftercoolers / Intercoolers
        • Intercoolers, Complete
        • Intercoolers, Gasket Kits
      • Closed / Fresh Water Cooling Kits
      • Expansion Tanks and Caps
        • Expansion Tank Caps
        • Expansion Tanks
      • Heat Exchangers
        • Heat Exchanger Gasket Kits
        • Heat Exchanger Kits
        • Heat Exchanger Parts
        • Heat Exchangers, Replacement
      • Oil Coolers
        • Oil Coolers, 2in
        • Oil Coolers, 3in
        • Oil Coolers, Gasket Kit
      • Power Steering Coolers
    • Drain Cock / Valve
    • Exhaust System
      • After Cooler Mounting Kits
      • Exhaust Bellows
        • Exhaust Bellows, Engine
        • Exhaust Bellows, Sterndrive
      • Exhaust Drop Elbows
      • Exhaust Elbow Gaskets
      • Exhaust Elbow/Riser Mounting Kits
      • Exhaust Horns
        • Exhaust "Y" Pipe Kits
        • Exhaust "Y" Seals
        • Exhaust Block Off Plate
      • Exhaust Manifold End Caps
      • Exhaust Manifold Fittings
      • Exhaust Manifold Mounting Kits
      • Exhaust Manifold Riser Spacers
      • Exhaust Manifold Risers & Elbows
      • Exhaust Manifolds
      • Exhaust Manifolds & Risers
        • Exhaust Manifolds & Risers, Chrysler V8 318/340/360
        • Exhaust Manifolds & Risers, Chrysler V8 383/440
        • Exhaust Manifolds & Risers, Ford 302/351
        • Exhaust Manifolds & Risers, GM I4 153
        • Exhaust Manifolds & Risers, GM I4 153/181
        • Exhaust Manifolds & Risers, GM I6 250
        • Exhaust Manifolds & Risers, GM V6 229/262
        • Exhaust Manifolds & Risers, GM V8 302/350
          • Exhaust Manifold Gasket, GM V8 302/350
          • Exhaust Manifold Mounting Kit, GM V8 302/350
          • Exhaust Manifold, GM V8 302/350
          • Exhaust Riser Gaskets, GM V8 302/350
          • Exhaust Riser Mounting Kit, GM V8 302/350
          • Exhaust Risers, GM V8 302/350
        • Exhaust Manifolds & Risers, GM V8 427/454
          • Exhaust Manifold Gaskets, GM V8 427/454
          • Exhaust Manifold Mounting Kits, GM V8 427/454
          • Exhaust Manifold, GM V8 427/454
          • Exhaust Riser Gaskets, GM V8 427/454
          • Exhaust Riser Mounting Kits, GM V8 427/454
          • Exhaust Riser, GM V8 427/454
      • Exhaust Manifolds & Risers, Barr
        • Exhaust Manifold Gaskets, Barr
        • Exhaust Manifold Mounting Kits, Barr
        • Exhaust Manifolds, Barr
        • Exhaust Riser Gaskets, Barr
        • Exhaust Riser Mounting Kits, Barr
        • Exhaust Riser Spacers, Barr
        • Exhaust Risers, Barr
      • Exhaust Manifolds & Risers, Chrysler
        • Exhaust Manifold End Cap Gaskets, Chrysler
        • Exhaust Manifold End Caps, Chrysler
        • Exhaust Manifold Gaskets, Chrysler
        • Exhaust Manifolds, Chrysler
        • Exhaust Riser Gaskets, Chrysler
        • Exhaust Riser Swivel Mounting Kit, Chrysler
        • Exhaust Risers, Chrysler
      • Exhaust Manifolds & Risers, Crusader
        • Exhaust Manifold Gaskets, Crusader
        • Exhaust Manifold Mounting Kits, Crusader
        • Exhaust Manifolds Gaskets, Crusader
        • Exhaust Manifolds, Crusader
        • Exhaust Riser Gaskets, Crusader
        • Exhaust Riser Mounting Kits, Crusader
        • Exhaust Riser Spacers, Crusader
        • Exhaust Risers, Crusader
      • Exhaust Manifolds & Risers, Mercruiser
        • Exhaust Elbows (Dry-Joint), Mercruiser
        • Exhaust Elbows (Wet-Joint), Mercruiser
        • Exhaust Manifold End Caps, Mercruiser
        • Exhaust Manifold Mounting Kits, Mercruiser
        • Exhaust Manifolds (Dry-Joint), Mercruiser
        • Exhaust Manifolds (Wet-Joint), Mercruiser
        • Exhaust Riser Mounting Kits, Mercruiser
        • Exhaust Risers (Dry-Joint), Mercruiser
        • Exhaust Risers (Wet-Joint), Mercruiser
      • Exhaust Manifolds & Risers, OMC
      • Exhaust Manifolds & Risers, Volvo
        • Exhaust Elbows, Volvo Diesel
        • Exhaust Manifolds, Volvo Gas
        • Exhaust Risers, Volvo Gas
      • Exhaust Riser Kits
      • Exhaust Shutters / Flappers
      • Fiberglass Exhaust Pipe
      • Manifolds & Risers
      • Turbo Charger Mounting Kits
    • Flushing
      • Flushers
      • Flushing Adapters
      • Flushing Kits for Inboard Engines
    • Hoses
      • Engine Hoses
      • Sterndrive Hoses
    • Hot Water Heater Fitting Kits
    • Poppet Valves
    • Pressure / Rad Cap
    • Pumps
      • Circulation Pumps
        • Electric
        • Mechanical
          • Gasket Kits, Circulation Pumps
          • Pumps
          • Repair Kits
      • Clutch Aux Pumps
      • Engine Raw Water Pumps
        • Bearings
        • Cams
        • Couplers / Cross Piece
        • Impeller Kits
        • Impeller Pullers
        • Impellers
        • Mounting Clips, Water Pump
        • Raw Water Pump Brackets and Bumpers
        • Repair Kits
        • Raw Water Pumps, Complete
        • Seals
        • Water Pump Drive Couplers
        • Water Pump Repair Kits
          • Major Water Pump Repair Kits
          • Minor Water Pump Repair Kits
        • Wear Plates
      • Outboard Pumps
        • Bases
        • Impeller Kits
        • Impeller Kits w/Housing
        • Impellers
        • Insert Cups
        • Repair Kits
        • Upper Housings
      • SternDrive Pumps
        • Bases
        • Impeller Kits
        • Impellers
        • Insert Cups
        • Repair Kits
        • Upper Housings
    • Sterndrive Water Intake Parts
      • Hose Connection, Sterndrive
      • Hose Retainers & Inserts, Sterndrive
      • Water Hoses, Sterndrive
      • Water Pickup Block Off, Sterndrive
      • Water Pipes, Sterndrive
    • Strainers, Raw Water
      • Strainer Parts
      • Strainers
    • Thermostats
      • Inboard Thermostat Housings, Lower
      • Inboard Thermostat Housings, Parts
      • Inboard Thermostat Housings, Upper
      • Inboard Thermostat Kits
      • Inboard Thermostats
      • Outboard Thermostats
      • Outboard Thermostats Housings, Lower
      • Outboard Thermostats Housings, Parts
      • Outboard Thermostats Housings, Upper
        • Thermostat Covers, Outboard
      • Outboard Thermostats Kits
    • Water Distribution Housings
    • Water Hoses & Pipes
      • Water Hose Connection
      • Water Hoses, Engine
      • Water Hoses, Sterndrive
      • Water Pipes
      • Water Pipes, Seal Kits
  • Driveline
    • Flywheels
    • Inboard Shaft Drive
      • Bell Housings
      • Cutlass Bearings
      • Damper Plates & Flywheel Couplings
      • Shaft Couplings, Flexible
      • Shaft Couplings, Steel
        • Keyed
      • Shaft Seals
        • Brass Stuffing Boxes
        • PSS Dripless Shaft Seals
        • PSS Dripless Shaft Seals, Parts
        • Rubber - Volvo Style
      • Transmissions
        • PRM Transmissions
          • Complete
          • Parts
          • Repair Kits
        • TwinDisc Transmissions
          • Complete
          • Parts
          • Repair Kits
        • Velvet Drive Transmissions
          • Complete
          • Parts
          • Repair Kits
        • ZF Transmissions
          • Complete
          • Parts
          • Repair Kits
    • Outboard
      • Bearing Assemblies
      • Clutches
      • Drive Oil Fill & Drain Screws
      • Drive Oil Fill & Drain Washers
      • Driveshafts
      • Forward Gear Assemblies
      • Lower Unit Seal Kits
      • Lower Units, Complete
      • Mid-Section
        • Midsection Seals
        • Mounts
        • Swivel Pin Bushing Kits
      • Pinion Nuts
      • Prop Shafts
      • Reverse Gears
      • Seal & Bearing Kits
    • Propellers & Prop Hardware
      • Propeller Hardware
        • Cotter Pins, Propeller
        • Front Washers, Propeller
        • Hardware Kits, Propeller
        • Nuts, Propeller
        • Shear-Pins, Propeller
        • Spacers, Propeller
        • Tab & Lock Washers, Propeller
        • Thrust Washers, Propeller
      • Propellers
        • Propellers, Inboard Shaft
        • Propellers, Outboard & Sterndrive
          • Hub Kits, Propellers
          • Propellers Mercury MerCruiser Alpha & Bravo One
          • Propellers Mercury MerCruiser Bravo Three
          • Propellers Mercury MerCruiser Bravo Two
          • Propellers Mercury/Mariner 2.5 - 3.5 HP
          • Propellers Mercury/Mariner 25 HP Bigfoot/Command Thrust - 60 Hp
          • Propellers Mercury/Mariner 25/30 Hp (4-Stroke)
          • Propellers Mercury/Mariner 4-6 Hp
          • Propellers Mercury/Mariner 40 Bigfoot/Command Thrust - 125 HP
          • Propellers Mercury/Mariner 6 - 15 Hp
          • Propellers Mercury/Mariner 8/9.9 Hp (4-Stroke)
          • Propellers Mercury/Mariner 9.9 - 20 HP (4-Stroke)
          • Propellers Mercury/Mariner 9.9 - 25 Hp
          • Propellers Mercury/Mariner EFI, 90/115 HP Command Thrust, Optimax and Verado Outboards 135-350 HP
    • Sail Drives
      • Sealing Gaskets
      • Sealing Kits
    • Sterndrive
      • Ball Gear
      • Bearing Assemblies
      • Bearing Carriers & Components
        • Bearing Carrier Retaining Nuts
        • Bearing Carriers
      • Bell Housing Bearing Kits (Volvo)
      • Bell Housings
      • Bellows
        • Bellows Adhesive
        • Bellows Clamps
        • Bellows Kits
        • Bellows, Exhaust
        • Bellows, Shift
        • Bellows, U-Joint
      • Clutches
      • Cooling Components
        • Water Fittings
      • Coupler, Engine
      • Couplers, Shaft
      • Drains Screws & Gaskets
      • Drive Oil Fill & Drain Screw Gasket Kits
      • Drive Oil Fill & Drain Screws
      • Engine Mounts, Rear
      • Forward Gear Assemblies
      • Gimbal Seals
      • Gimbal Bearings
      • Gimbal Rings
      • Hinge Pins & Bushings
        • Bushings, Tilt
        • Hinge Pins
      • Mounting Kits
      • Mounting Nut Kits
      • Pinion Nuts
      • Prop Shaft Seal Kits
      • Prop Shafts
        • Line Cutters
        • Prop Shaft Seals
        • Prop Shafts
        • Propeller Cone Bolts
        • Propeller Cones
      • Reverse Gears
      • Reverse Lock Parts
        • Spring Kits
      • Rubber Stopper Blocks
      • Seal & Bearing Kits
      • Seal Kits, Complete
      • Seal Kits, Intermediate Housing
      • Seal Kits, Lower
      • Seal Kits, Transom
      • Seal Kits, Upper
      • Shift Cables
        • Cable Assemblies
        • Cable Kits w/Bellows
        • Components
      • Shift Mechanism
        • Shift Bushings
        • Shift Cables
        • Shift Cover Seals
        • Shift Covers
        • Shift Interrupt
          • Shift Interrupt Harnesses
          • Shift Interrupt Modules
          • Shift Interrupt Parts
          • Shift Interrupt Plates
          • Shift Interrupt Retrofit Kits
          • Shift Interrupt Switches
        • Shift Levers
        • Shift Seal Kits
        • Shift Seals
        • Shift Shafts, Sterndrive
      • Skeg Repair, Sterndrive
      • Steering Components
        • Helmet Shoulder Screws
        • Steering Bushings
        • Steering Pin, Lower
        • Steering Seals
        • Steering Shafts
      • Sterndrives, Complete
        • Alpha One
        • Alpha One Gen II
        • Bravo One
        • Bravo One (SeaCore)
        • Bravo Three
        • Bravo Two
      • Sterndrives, Lower Housings
        • Sterndrives, Alpha Gen II Lower Housings
        • Sterndrives, Alpha One Lower Housing
        • Sterndrives, Bravo 1 Lower Housings
        • Sterndrives, Bravo 2 Lower Housings
        • Sterndrives, Bravo 3 Lower Housings
      • Sterndrives, Upper Housings
        • Sterndrives, Alpha Gen II Upper Housings
        • Sterndrives, Alpha One Upper Housings
        • Sterndrives, Bravo Upper Housings
      • Transom Bolts
      • Transom Lip Seals
      • Transom Seals
      • Transoms, Complete
      • Trim System
        • Trim Bushings
        • Trim Clips and Caps
        • Trim Cylinder Caps, Sterndrive
        • Trim Cylinder Pistons
        • Trim Cylinder Rebuild Kits, Sterndrive
        • Trim Cylinders
        • Trim Hoses
        • Trim Limit Switches
        • Trim Manifolds
        • Trim Pins
        • Trim Pump - Quick Connectors
      • U-Joints & Input Shafts
        • Ball Joint Assemblies
        • Bearing Carrier, Input Shaft Bolts
        • Input Shaft Retaining Nuts
        • Input Shaft Seal Kits
        • Input Shaft Seals
        • Input Shafts
        • U-Joint Assemblies, Complete
        • U-Joint Gear Nuts
        • U-Joints
        • Yoke Assemblies
      • Vertical Driveshaft Carriers
      • Vertical Driveshaft Seals
      • Vertical Shafts
      • Vertical Upper Driveshaft Seals
      • Water Hoses
      • Wear & Rub Plates
  • Electrical
    • Alternators
    • Battery Cables
    • Bus Bars
    • Circuit Breakers, Fuses & Holders
      • Circuit Breakers
      • Fuse Holders
      • Fuses
        • Fuses, ANL
        • Fuses, Blade
          • Fuses, ATO Style
          • Fuses, Maxi Style
          • Fuses, Mini Style
        • Fuses, Cartridge
          • Fuses, AGC Glass
          • Fuses, OMC Specific
        • Fuses, Terminal
          • Fuses, Mercruiser Terminal Style
    • Key Switches
      • Key Switch Assemblies
        • Key Switch, Mercury Specific
        • Key Switch, OMC Specific
      • Key Switch Bezels and Mounting Hardware
      • Keys, Replacement
        • BRP 73 Series Keys (1973-1976)
        • BRP 77 Series Keys
        • BRP 96 Series Keys
        • BRP AD16 Keys (E-TEC G2)
        • BRP KF Keys (thru 1973)
        • Force Outboard Keys
        • Key Covers
        • Mariner Keys 111 - 470
        • Mercury 3 Digit Keys 451 to 853
        • Mercury Alpha/Numeric Keys
        • Mercury Keys 101 to 134
        • Suzuki Keys
        • Tohatsu Keys
    • Lanyards & Stop Switches
      • Lanyards
      • Stop Switches & Kits
    • Rectifiers
    • Regulators
    • Senders & Switches, Engine
      • Engine Water Pressure Senders
      • Buzzers, Warning
      • Exhaust Temperature Switches
      • Fuel Tank Level Senders
        • Gasket, Fuel Tank Sender
        • Reed Style Fuel Tank Senders
          • SAE 5 Flange Reed Style Fuel Tank Senders
          • Threaded Reed Style Fuel Tank Senders
        • Swing Style Fuel Tank Senders
      • Oil Senders
        • Oil Pressure Alarm Switches
        • Oil Pressure Fuel Pump Switches
        • Oil Pressure Gauge Senders
      • SmartCraft Senders
        • Fuel Tank Senders (SmartCraft)
        • GPS Receivers (SmartCraft)
        • Transducers (SmartCraft)
          • In-Hull
          • Thru-Hull
          • Transom Mount
        • Trim Sender (SmartCraft)
        • Water Pressure, Engine Block (SmartCraft)
      • Speedometer Pickups & Senders
        • Speedo Electrical Senders
        • Speedo Pickups & Tubing
      • Tachometer Senders
      • Temperature Senders
        • Other Temperature Senders
        • Temperature Alarm Switches
        • Temperature Gauge Senders
      • Trim Senders
      • Warning Kits
      • Water Tank Level Senders
    • Shift Assist Modules
    • Solenoids & Relays
    • Starters
      • Bendix
      • Solenoids, Starter
      • Starter Brush Kits
      • Starters, Complete
    • Stators
    • Switches
    • Trailer Connectors
    • Wire Connectors
      • Heat Shrink
      • Standard Nylon
  • Engine Mounts
    • Circular Shear
      • 1" Stud
      • 3/4" Stud
    • Compression Mounts
    • Cummins Style
    • Double Acting
    • Hino Style
    • Hyundai Style
    • Mercruiser Style
    • Rectangular Shear
      • 12mm Stud
      • 3/4" Stud
      • 5/8" Stud
    • Volvo Mounts
    • Yanmar Style
  • Engines & Generators
    • Diesel Engines
      • Hyundai
      • Westerbeke
    • Gasoline Engines
      • Mercruiser
        • Bobtail (New)
        • Bobtail (Remanufactured)
        • Crate Engines
        • Long Blocks
    • Generators & Backends
      • Diesel Generators
      • Gasoline Generators
      • Generator Backends
  • Fuel System
    • Banjo Washer Kits
    • Carburators
      • Accelerator Pumps
      • Carburators, Complete
      • Carburetor Repair Kits, Inboard
      • Carburetor Repair Kits, Outboard
      • Chokes
      • Flame Arrestors
      • Floats
      • Gasket Kits
      • Inlet Needles & Seats
      • Wedge
    • Filters
      • Cartridge Filters (Diesel)
      • Cartridge Filters, Inboard (Gasoline)
      • Cartridge Filters, Outboard (Gasoline)
      • In-Line Fuel Filters, Inboards
      • In-Line Fuel Filters, Outboards
      • Spin-On Assemblies (Diesel)
      • Spin-On Assemblies (Gasoline)
      • Spin-On Filters (Diesel)
      • Spin-On Heads (Gasoline)
      • Spin-On Replacement Filters
    • Fuel Coolers
    • Fuel Filters
      • Fuel Filters, Diesel
        • Cartridge Fuel Filter Assemblies, Diesel
        • Cartridge Fuel Filters, Diesel
        • Fuel Filter On-Engine Element, Diesel
        • Fuel Filter On-Engine Spin-On, Diesel
        • In-Line Fuel Filter, Diesel
        • Spin-On Fuel Filter Assemblies, Diesel
        • Spin-On Fuel Filters, Diesel
      • Fuel Filters, Gasoline
        • Cartridge Fuel Filters, Inboard Carburator
        • Cartridge Fuel Filters, Inboard Gasoline
        • Cartridge Fuel Filters, Outboard Gasoline
        • In-Line Fuel Filters, Inboard Gasoline
        • In-Line Fuel Filters, Outboard Gasoline
        • In-Line Fuel Filters, Outboard Gasoline High Pressure
        • Spin-On Fuel Filter Assemblies w/Bowl, Gasoline
        • Spin-On Fuel Filter Assemblies, Gasoline
        • Spin-On Fuel Filter Bowls, Gasoline
        • Spin-On Fuel Filter Heads, Gasoline
        • Spin-On Fuel Filters Inboards, Gasoline
        • Spin-On Fuel Filters Outboards, Gasoline
        • Spin-On Fuel Filters w/Bowl, Gasoline
        • Spin-On Fuel Filters w/o Bowl, Gasoline
        • Spin-On Fuel Filters, Gasoline
      • Oil Injection Filters
    • Fuel Injectors
      • Complete Fuel Injectors
      • Injector Gasket Kits
      • Nozzles
      • Sleeve Kits
    • Fuel Lines & Parts
      • Anti-Siphon Valves, Fuel
      • Fuel Line
        • Fuel Line, On Engine
          • Fuel Line, On Engine 0.125"
          • Fuel Line, On Engine 0.1875"
          • Fuel Line, On Engine 0.25"
        • Fuel Line, Type A1 Inboard
          • Fuel Line, Type A1 Inboard 0.3125"
          • Fuel Line, Type A1 Inboard 0.375"
        • Fuel Line, Type B1 UV Protected
          • Fuel Line, Type B1 UV Protected 0.25"
          • Fuel Line, Type B1 UV Protected 0.3125"
          • Fuel Line, Type B1 UV Protected 0.375"
      • Fuel Lines
        • Fuel Lines, Mercury Style
        • Fuel Lines, OMC Style
        • Fuel Lines, Suzuki Style
        • Fuel Lines, Universal Style
        • Fuel Lines, Yamaha Style
        • Fuel Pump to Carburator Fuel Line
      • Hose Menders
      • Primer Bulbs
      • Valves, Fuel
        • Valves, Fuel 2-Way
        • Valves, Fuel 3-Way
        • Valves, Fuel 4-Way
    • Fuel Pressure Regulators
    • Fuel Pumps
      • Electric Pumps
      • Fuel Pump Kits
      • Fuel Pumps, Inboard Diesel Mechanical
      • Fuel Pumps, Inboard Diesel Electric
      • Fuel Pumps, Inboard Gasoline Electric
      • Fuel Pumps, Inboard Gasoline Mechanical
      • Fuel Pumps, Outboard
        • Fuel Primer Solenoid, Outboard
        • Fuel Pump Repair Kits, Outboard Mechanical
        • Fuel Pumps, Outboard Conversion Kits
        • Fuel Pumps, Outboard Electric
        • Fuel Pumps, Outboard Mechanical
      • Mechanical Pumps
    • Fuel Tanks
      • Inboard Tanks
      • Outboard Tanks
      • Tank Accessories
        • Fuel Connectors, Outboards
          • Fuel Connectors, Chrysler/Force
          • Fuel Connectors, Honda
          • Fuel Connectors, Johnson & Evinrude
          • Fuel Connectors, Mercury
          • Fuel Connectors, Mercury Old Style
          • Fuel Connectors, Nissan/Tohatsu
          • Fuel Connectors, Suzuki
          • Fuel Connectors, Yamaha
        • Fuel Tank Caps
        • Tank Pickups
        • Tank Senders
          • Reed Tank Senders
          • Standard Tank Senders
    • IAC Valves
    • PCV Valves
    • Sensors
      • Crank Position Sensors
      • Knock Sensors
      • MAP Sensors
      • TPS Sensors
    • TBI Assemblies
  • Gaskets
    • Air Box Gaskets
    • Carburator & Fuel Gaskets
      • Float Bowl Gaskets
      • Fuel Pump Mounting Gasket
    • Cooling System Gaskets
    • Exhaust Gaskets & Seals
    • Exhaust Manifold Gaskets
    • Exhaust Plate & Cover Gaskets
    • Exhaust Riser Gaskets
    • Gasket Kit, Bottom End
    • Gasket Kit, Overhaul
    • Gasket Kit, Top End
    • Head Gaskets
      • Head Gaskets, Inboard
      • Head Gaskets, Outboard
    • Inboard Diesel Gaskets
      • Intake Manifold Gaskets
    • Inboard Gasoline Gaskets
      • Exhaust Manifold Gaskets
      • Gasket Kits, Bottom End
      • Gasket Kits, Top End
      • Intake Manifold Gaskets
      • Oil Pan Gaskets
      • Valve Cover Gaskets
    • Intake & Reed Block Gaskets
    • Intake Gasket Kits
    • Lower Unit Gaskets
    • Misc. Gaskets
    • Oil Drain Gaskets
    • Oil Pan Gaskets
    • Oil Pump Gaskets
    • Outboard Gaskets
      • Head Gaskets
      • Intake Manifold Gaskets
    • Powerhead Base Gaskets
    • Powerhead Gasket Sets
    • Thermostat Gaskets
      • Thermostat Cover Gaskets, Outboard
      • Thermostat Gaskets & Seals, Outboard
    • Trim System Gaskets
    • Turbo Charger Gasket
    • Turbo Charger Gasket Kits
    • Valve Cover Gaskets
    • Water Pump Gaskets
  • Hose, Fittings & Clamps
    • Cable Ties
    • Clamps
      • Gear Clamp Tips
      • Gear Clamps
      • Oeticker Clamps
      • T-Bolt Clamps
    • Electrical Wraps
      • Braided Sleeve
      • Spiral Wrap
    • Hose, Bulk
      • Hose, Inboard Fuel
      • Hose, Outboard Fuel
    • Pipe Fittings
      • Application Specific
      • Check Valves
      • Generic NPT
      • Hose Menders
      • Valves
  • Ignition System
    • Distributors & Ignition Parts, Outboards
      • Breaker Points
      • Condensers, Outboard
      • Tune-Up Kits
    • Distributors, Inboards
      • Condensers
      • Distributor Caps
      • Distributor Caps & Rotor Kits
      • Distributor Gears
      • Distributor Modules
      • Distributor Pick-Ups
      • Distributors for Ford, Complete
      • Distributors for GM, Complete
      • Electronic Conversion Kits
      • Points
      • Rotors
      • Tune-Up Kits
      • Tune-Up Kits Including Cap
    • Ignition Coils
      • Ignition Coils, Inboard
      • Ignition Coils, Outboard
    • Ignition Wires
      • Bulk Ignition Wire
      • Ignition Wire Kits, Inboard
      • Ignition Wire Kits, Outboard
      • Ignition Wire Separator
      • Ignition Wires
      • Spark Plug Boots
    • Modules
      • CDM Assemblies
      • ECM
      • ICM
      • Ignition Modules
      • Knock
      • PCM
    • Power Packs
      • Power Packs, Mercury
      • Power Packs, OMC
    • Rope Start Parts, Outboard
      • Pawl & Dog Springs, Outboard Starter
      • Pawls & Dogs, Outboard Starter
      • Rewind Springs, Outboard Starter
      • Rope, Outboard Starter
        • Bulk Rope, Outboard Starter
        • Handle & Rope Assemblies, Outboard Start
        • Handle Assemblies, Outboard Start
        • Pre-Cut Rope, Outboard Starter
    • Spark Plugs
      • Spark Plugs, AC
      • Spark Plugs, Champion
      • Spark Plugs, NGK
    • Switch Boxes
  • Internal Engine Parts
    • Air Filters
    • Air Filters, Crankcase
    • Camshaft Bearing Kits
    • Camshafts
    • ConRod Bearings
    • Crankshaft Support Bearings
    • Crankshaft Thrust Washers
    • Cylinder Heads
      • Cylinder Head Bolts
      • Cylinder Heads, Complete
      • Exhaust Valves
      • Intake Valves
      • Valve Guides
      • Valve Seals
      • Valve Seats
      • Valve Springs
    • Cylinder Liner Kits
    • Cylinder Liners
    • Cylinder Liners Gasket Kits
    • Expansion Plugs
    • Intake Manifolds
    • Main Bearings
    • Oil Pumps
    • Pistons & Rings
      • Piston & Liner Kits
      • Piston & Liner Seal Kit
      • Pistons
      • Rings
    • Rewind Spring, Outboard Rope Start
    • Thrust Bearings
    • Timing Gear Kits
  • Lubrication System
    • Gear Lube Monitor / Reservoir
    • Gear Lube Transom Parts
    • Oil Extraction Pumps
      • Electric
      • Manual
    • Oil Filters
      • Inboard Diesel Oil Filters
      • Inboard Gasoline Oil Filters
      • Outboard Oil Filters, 4-Stroke
      • Outboard Oil Filters, 2-Stroke
      • Outboard Oil Injection Filter
    • Oil Pan Drain Hose Kits
    • Oil Pans
    • Remote Oil Filter Kits
  • Oil, Grease, Chemicals, Paint Etc.
    • Anti-Seize
    • Cleaners
      • All Purpose Cleaner
      • Engine Degreaser
    • Coolant, Engine
    • Coolant, Non-Toxic
    • Corrosion Sprays
    • Dielectric Grease
    • Fogging Oil / Storage Seal
    • Fuel Additives
      • Carburetor Cleaner
      • Engine Tuner
      • Fogging Oil
      • Fuel Carbon Remover
      • Fuel Stabilizer
      • Fuel System Cleaners
    • Gasketing / RTV Silicone Sealant
    • Gear Oil
      • Gear Lube Kits
      • Gear Lube Pumps
      • Gear Lube Type C
      • Gear Lube, Premium
      • Gear Lube, Racing
      • Gear Lube, Standard
    • Greases
      • 2-4-C Grease
      • Extreme Grease
      • Grease, Wheel Bearing
      • Lubricant, D.P.L Penetrating Lubricant
      • Lubricant, Heavy Duty 6 in 1
      • Lubricant, Silicone Spray
      • Triple-Guard Grease
    • Loctite
    • Lubricants
    • Oil
      • 2-Stroke Oil
        • ETEC Oil
        • Oil Mixing Cups
        • Optimax Oil
        • TCW-3 Oil, Basic
        • TCW-3 Oil, Premium
      • 4-Stroke Outboard Oil
        • Oil, 10W30
        • Oil, 25W40
        • Oil, 25W40 Synthetic Blend
        • Oil, 5W40
        • Oil, Cobra
      • Diesel Oil
        • Oil 15W40
      • Hydraulic Steering Oil
      • Inboard Oil
        • Inboard Oil, Cobra
        • Inboard Oil, Mercruiser
        • Inboard Oil, Volvo
      • Compressor Oil
    • Paint
      • Touch-Up Paint
      • Spray Paint
    • Sealants & Adhesives
    • Thread Locker
    • Thread Sealant / Tape
    • Trim & Tilt Fluid
  • Shop Supplies & Tools
    • Diagnostic Software
      • CDI MEDS
    • Manuals, Technical
      • Clymer Manuals
      • Mercury Manuals
      • Seloc Manuals
    • Service Kits
      • 100 Hour Service Kits
      • 300 Hour Service Kits
    • Shop Supplies
      • Cable Ties
    • Tools
      • Anode Testing Tools
      • Barrel Pumps
      • Compression Testers
      • Electrical Connector Tools
        • AMP Connector Tools
        • Deutsch Connector Tools
      • Filter Wrenches
      • Fuel System Tools
      • Funnels & Spouts
      • Gear Lube Adapters
      • Gear Lube Pumps
      • Grease Guns
      • Hole Saws for Gauges
      • Hydraulic Steering Tools
      • Lifting Tools
      • Multimeters
      • Oil Extraction Pumps
      • Other Tools
      • Outboard Tools
      • Propeller Wrenches
      • Pullers
      • Spark Testers
      • Sterndrive Tools
      • Timing Tools
      • Trailering Clips
      • Trim Cylinder Tools
  • Specials
    • Clearance
    • New Products
    • On Sale
  • Steering, Controls, Rigging, Instruments
    • Controls
      • Control Cable Accessories
        • Ball Joints
          • Ball Joints, 33 Series Control Cables
          • Ball Joints, 43 Series Control Cables
          • Ball Joints, 64 Series Control Cables
        • Cable Brake
        • Cable Clamps
          • Cable Clamps, 33 Series Control Cables
          • Cable Clamps, 43 Series Control Cables
          • Cable Clamps, 64 Series Control Cables
        • Cable End Adaptors
        • Clevis Kits
          • Clevis Kits, 33 Series Control Cables
          • Clevis Kits, 43 Series Control Cables
          • Clevis Kits, 64 Series Control Cables
        • Dual Station Mercruiser Stud Kit
        • Pivots
          • Pivots, 33 Series Control Cables
          • Pivots, 43 Series Control Cables
        • Terminal Eyes, Control Cable
      • Control Cables
        • 33C Cables (Yamaha, Suzuki, Volvo)
        • 43C Cables (5/16" Thread)
        • 63C Cables (5/16" Thread)
        • Mercury Gen I Cables
        • Mercury Gen II Cables
        • Mercury Gen II Control & 33C Engine
        • OMC (Post 1979)
        • OMC (Pre 1979)
        • Utility Cables
        • Utility Cables, Accessories
      • Controls
        • Electronic Controls
          • Mercury DTS Rigging Kits
          • Glendinning SmartControl II
          • Mercury DTS
            • Binnicle Mount Dual
            • Binnicle Mount Single
            • DTS Pads
            • Panel Mount
            • Yacht Controls
          • Mercury DTS Rigging Components
          • Morse KE4
        • Mechanical Controls
          • Control Heads - BRP
            • BRP Binnacle Mount Control
            • BRP Concealed Side Mount Control
            • BRP Side Mount Control
          • Control Heads - Mercury
            • Mercury Binnicle Mount Controls w/o Trim
            • Mercury Binnicle Mount Controls w/Trim
            • Mercury Side Mount Controls w/o Trim
            • Mercury Side Mount Controls w/Trim
            • Mercury Side Mount Recessed Controls w/o Trim
            • Mercury Side Mount Recessed Controls w/Trim
          • Control Heads - Teleflex
            • Binicle Mount
            • Side Mount
    • Electronics, Rigging & Instrumentation
      • NMEA 2000
        • NMEA 2000 Cables
        • NMEA 2000 Junction Box
        • NMEA 2000 Starter Kit
      • SmartCraft
        • SmartCraft / NMEA 2000 Gateway
        • VesselView
        • VesselView Mobile
    • Gauges & Instrumentation
      • Gauge Wiring Harnesses
        • Instrument Harness, Mercury
        • Tachometer Harness, Mercury
      • Gauges
        • Analog Gauges (Stewart Warner)
          • Dress White
          • Mercury Admiral Black
          • Mercury Admiral Black/Chrome
          • Mercury Admiral White
          • Mercury Flagship Black
          • Mercury Flagship White
          • Mercury Flagship White/Chrome
        • Analog Gauges (VDO)
        • Blank Gauge Covers
        • Depth Sounders - Dash Mount
        • Digital Gauges
          • NMEA 2000
          • SmartCraft
            • Analog Gauge Interface Kits
            • MercMonitor
            • Mercury Gateway
            • SC100 System Link
              • SC100 Gauges
              • SC100 Harnesses
            • SC1000
              • Bezels
              • Kits
              • Speedometers
              • Tachometers
            • VesselView
            • VesselView Mobile Bluetooth
          • Tachometer, Digital
        • Hour Meters
        • Speedo Parts, Sterndrives
        • Speedo Pick-Ups & Accessories
        • Waste Tank Gauges & Senders
          • Waste Gauges
          • Waste Senders
        • Water Tank Gauges & Senders
          • Water Gauges
          • Water Senders
            • Water Sender, BSP Threaded
            • Water Sender, SAE 5 Flange
    • Rigging
      • Harnesses, Engine
        • Mercury Analog Gauge Harness
        • Mercury Extension Harnesses (10 Pin)
        • Mercury Extension Harnesses (14 Pin)
        • Mercury Harness Adapters
        • Mercury Instrument Harness Adapters
        • Mercury Instrument Harnesses (10 Pin)
        • Mercury Instrument Harnesses (10 Pin) Extension
        • Mercury Instrument Harnesses (14 Pin)
        • Mercury Instrument Harnesses (14 Pin) Extension
        • Mercury Instrument Harnesses (14 Pin) for Analog Gauges
        • Mercury Instrument Harnesses (14 Pin) w/Key Switch
        • Mercury Instrument Harnesses (8 Pin AMP) w/Key Switch
        • Mercury Instrument Harnesses (8 Pin) Extension
        • Mercury Instrument Harnesses (8 Pin) w/Key Switch
        • Mercury Smartcraft Harnesses
        • Mercury Tachometer Harnesses
      • Harnesses, SmartCraft & Mercury DTS
        • Mercury DTS Yellow 10 Pin (1 Resistor)
        • Smartcraft Boat Harness (Fuel & Paddle Wheel)
        • Smartcraft DTS Dual Station Adapter
        • Smartcraft Harness, Blue 10 Pin (1 Resistor)
        • Smartcraft Harness, Blue 10 Pin (2 Resistors)
        • Smartcraft Harness, Blue 10 Pin (No Resistors)
        • Smartcraft Harness, DTS Yellow 10 Pin (No Resistors)
        • Smartcraft Harness, Yellow 10 Pin (1 Resistor)
        • Smartcraft Junction Boxes and Caps
          • Junction Boxes, Smartcraft
          • Terminators, Smartcraft
          • Weather Caps, Smartcraft
      • Harnesses, Tachometer
      • Harnesses, Trim
        • Power Trim "Y" Harnesses
        • Power Trim Adaptor Harnesses
        • Power Trim Extension Harnesses
      • Outboard Mounting Bolt Kits
      • Power Trim Rigging
        • Power Trim Switches, Control Mounted
        • Power Trim Switches, Cowl Mounted
        • Power Trim Switches, Dash Mounted
      • Rigging Boots
      • Rigging Harnesses
        • Mercury Harness Adapters
        • Mercury Blue 10 Pin (1 Resistor)
        • Mercury Blue 10 Pin (2 Resistors)
        • Mercury Blue 10 Pin (No Resistors)
        • Mercury DTS Yellow 10 Pin (1 Resistor)
        • Mercury DTS Yellow 10 Pin (No Resistors)
        • Mercury Extension Harnesses (14 Pin)
        • Mercury Instrument Harnesses
        • Mercury Smartcraft Harnesses
        • Tachometer Harnesses
      • Rigging Tube / Hose
    • Steering
      • Hydraulic Steering
        • Accessories
          • Fittings, Non-ORB
          • Fittings, ORB
          • Hydraulic Steering Tools
          • Seal Kits (Cylinders)
          • Seal Kits (Helms)
          • Vents, Hydraulic Helm
        • Cylinder Seal Kits
        • Cylinders
          • Inboard
            • Capilano Inboard Steering Cylinders
            • Hynautic Inboard Steering Cylinders
            • Seastar Inboard Steering Cylinders
          • Outboard
            • Baystar Outboard Steering Cylinder
            • Seastar Other Outboard Steering Cylinder
            • Seastar Outboard Steering Cylinder
            • Seastar Pro Outboard Steering Cylinder
            • Seastar Tournament Outboard Steering Cylinder
          • Sterndrive
            • Hynautic Sterndrive Cylinders
            • Seastar Sterndrive Cylinders
        • Helm Seal Kits
        • Helms
          • Baystar Helms
          • Capilano Helms
          • Hynautic Helms
          • Seastar Helms
            • Seastar Helms 1.4
            • Seastar Helms 1.7
            • Seastar Helms 2.0
            • Seastar Helms 2.4
            • Seastar Helms 3.0
          • Seastar Pro Helms
            • Seastar Pro Helms 1.4
            • Seastar Pro Helms 1.7
            • Seastar Pro Helms 2.0
            • Seastar Pro Helms 2.4
        • Hoses
          • Baystar Hoses
          • Nylon Tubing
          • Seastar Hose Kits
          • Seastar Pro Hose Kits
        • Hoses, Bulkhead
          • Double Stainless Steel Bulkhead Hose Kits
          • Seastar Bulkhead Hose Kits
          • Single Stainless Steel Bulkhead Hose Kits
        • Kits
          • Baystar
        • Oil
      • Mechanical Steering
        • Mechanical Steering Adapters
        • Rack
          • Components
            • Bezels and Wedges, Rack Steering
            • Rack Steering Helms, Mechanical
            • Rack Steering Tilt Helms
          • SS141xx Kits
          • SSC124 Cables
          • SSC130 Cables
          • SSC134 Cables
        • Rotary
          • Components
            • Bezels
            • Rotary Steering Helms, Mechanical
            • Rotary Steering Tilt Helms
          • SS132xx NFB Kits
          • SS137xx SafeT Kits
          • SSC52xx Cables
          • SSC61xx Cables
          • UFR1 Uflex RoTech Kits
        • Steering Tube Connection Kits
      • Power Steering
        • Cylinders
        • Cylinders, Seal Kits
        • Hoses
        • Power Steering Parts
        • Power Steering Pumps
      • Steering Accessories
        • Steering Parts
        • Steering Wheels
        • Tilt Tube Wipers & Seals
      • Tie Bars
  • Trim Systems
    • Outboard Trim Systems
      • Complete Trim Assemblies
      • Trim Pump O-Ring Kit, Outboard
      • Trim Ram O-Ring Kit, Outboard
      • Trim System O-Ring Kit, Outboard
    • Sterndrive Trim Systems
      • Trim Cylinders
        • Bushings
        • Complete Cylinders
        • O-Ring Kits
        • Outer Tubes
        • Pin Hardware
        • Pins
        • Repair Kits
      • Hoses
        • Cylinder
        • Pump
      • Trim Pumps
        • Complete Pumps
        • Motor Brush Kits
        • Pump Components
        • Resevoirs
        • Trim Motor Mounting Gaskets
        • Trim Motors
      • Trim Hoses
    • Trim Tabs
      • Trim Tab Kits
      • Trim Tab Parts
      • Trim Tab Planes

Knock Sensors

OMC Sterndrive
	SENSOR, KNOCK 5.7	BRP3850357 SENSOR, KNOCK 5.7 Order $167.81 806612T SENSOR-KNOCK Instock $294.71 18-7677 KNOCK SENSOR Instock $146.50 WP242-1016 KNOCK SENSOR 806612T Instock $95.88