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Exhaust Shutters / Flappers

Mercruiser

Water Shutter, MerCruiser Sterndrives


Water shutter 60930 is For use on various and numerous MerCruiser sterndrive installations. Check your owner's manual or parts manual for exact fitment. Also known as a water flapper, the shutter is open for exhaust to exit the engine and closes when the engine is not running to keep water from flowing back to the engine causing corrosion or serious damage to the engine. Fits inline inside the exhaust system for sterndrive installations. Installed downstream of the flexible union between the elbow and Y-pipe.
See your owner's manual or service manual for specific application and instructions.


• Acts as a flexible check valve to stop water from returning up the exhaust system to the engine
• Also called a water flapper
• Fits numerous MerCruiser sterndrive installations
• Fits inline inside the exhaust system for sterndrive installations
• Installed downstream of the flexible union between the elbow and Y-pipe
60930
SHUTTER
Instock $63.47
GR104040-060930
EXHAUST FLAPPER
Instock $31.50

Shutter Assembly, Water, 2.48 In.


Sterndrive exhaust water shutter 807166A1 is for use on MerCruiser sterndrives to keep following seas/water from washing back into the exhaust system and into the engine when engine is not running or at low rpm. Shutter is 2.48" diameter at cross pin (hinge pin) See your owner's manual or service manual for specific applications and replacement instructions.


• For select MerCruiser sterndrive and inboard engines
• Acts as a check valve to keep following seas/water from washing back through exhaust to engine when engine is not running or at low rpm
• Shutter is 2.48 in. diameter at cross pin (hinge pin)
807166A1
SHUTTER KIT-WATER
Instock $152.05
EMP32-08306
WATER SHUTTER KIT
Instock $74.36
REC807166A1
WATER SHUTTER
Instock $56.35

Shutter Kit, Water, 2.98 In.


Exhaust water shutter kit 807166A2 is for use on MerCruiser sterndrive engine Y-pipes with 2.98 in. diameter at the cross pin. See your owner's manual, parts listing or service manual for exact application and installation instructions.


• For use on MerCruiser sterndrive engine Y-pipes with 2.98 in. diameter at the cross pin
• See your owner's manual, parts listing or service manual for exact application and installation instructions
• Easy to install with common shop tools
807166A2
SHUTTER KIT-WATER
Instock $149.32

Shutter Assembly, Pair


Water shutter 807166A3 is For use on various and numerous MerCruiser sterndrive installations. This shutter is 2.5 in. diameter at the cross pin. Check your owner's manual or parts manual for exact fitment. Also known as a water flapper, the shutter is open for exhaust to exit the engine and closes when the engine is not running to keep water from flowing back to the engine causing corrosion or serious damage to the engine. Fits inline inside the exhaust system for sterndrive installations. Installed downstream of the flexible union between the elbow and Y-pipe.
See your owner's manual or service manual for specific application and instructions.


• Acts as a flexible check valve to stop water from returning up the exhaust system to the engine
• Also called a water flapper
• 2.5 in. diameter at cross pin
• Fits numerous MerCruiser sterndrive installations
• Fits inline inside the exhaust system for sterndrive installations
• Installed downstream of the flexible union between the elbow and Y-pipe
807166A3
SHUTTER ASY(PAIR)
Instock $175.81
18-2732
WATER SHUTTER (2)
Instock $59.11
EMP32-08303
EXHAUST SHUTTER (2 PER PACK)
Instock $122.28

Volvo

BUSHING,FLAPPER 765626


Used with Flapper 765166 and Pin 913663
BRP3855517
BUSHING,FLAPPER
Instock $6.40

SEAL AY, EXHAUST 765590


Used with Bushing 3855517 and Pin 913663
BRP765166
SEAL AY, EXHAUST
Instock $54.05

BUSHING 765629


Used with Flapper 984467 and Pin 911873
BRP911872
BUSHING
Instock $9.63

PIN 778313


Use with flapper 984467
BRP911873
PIN
Instock $21.61

PIN 778155


Use with flapper 765166
BRP913663
PIN
Instock $31.72

EXHAUST SEAL AY 778183


Used with Bushing 911872 and Pin 911873
BRP984467
EXHAUST SEAL AY
Instock $56.16

OMC Sterndrive

BUSHING,FLAPPER 765626


Used with Flapper 765166 and Pin 913663
BRP3855517
BUSHING,FLAPPER
Instock $6.40

SEAL AY, EXHAUST 765590


Used with Bushing 3855517 and Pin 913663
BRP765166
SEAL AY, EXHAUST
Instock $54.05

BUSHING 765629


Used with Flapper 984467 and Pin 911873
BRP911872
BUSHING
Instock $9.63

PIN 778313


Use with flapper 984467
BRP911873
PIN
Instock $21.61

PIN 778155


Use with flapper 765166
BRP913663
PIN
Instock $31.72

EXHAUST SEAL AY 778183


Used with Bushing 911872 and Pin 911873
BRP984467
EXHAUST SEAL AY
Instock $56.16

Generic Inboard

Exhaust Protector Valve


Includes: Stainless Steel Clamp
Compounded rubber flapper valves prevent water from entering the exhaust system
Made with weather resistant EPDM with U/V stabilizer
Size: 3" or 76.2mm
18-4456
EXHAUST PROTECTOR VALVE
Instock $49.40
500-4456
RB-026 FLAPPER 34765A13 INCH
Instock $28.99

Exhaust Protector Valve


Includes: Stainless Steel Clamp
Size: 4" or 101.6mm
Compounded rubber flapper valves prevent water from entering the exhaust system
Made with weather resistant EPDM with U/V stabilizer
18-4457
EXHAUST PROTECTOR VALVE
Order $48.65
GR904020-184457
EXHAUST FLAPPER
Instock $35.78

Exhaust Protector Valve


Includes: Stainless Steel Clamp
Size: 5" & 6" or 127mm & 152.4mm
Compounded rubber flapper valves prevent water from entering the exhaust system
Made with weather resistant EPDM with U/V stabilizer
5" Requires two 45° cuts
18-4458
EXHAUST PROTECTOR VALVE
Order $95.02
500-4458
RB-028 FLAPPER EXHAUST5-6 INCH
Instock $53.02