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177 Fulford Dr.
Harkers Island, NC 28531
(252) 504-3355
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Flappers and Shutters

MER45586


Exhaust Shutters, Mercruiser Inline 4, 6 and 3.7L

Exhaust Shutters, Mercruiser Inline 4, 6 and 3.7L

Water Shutter for Exhaust on Mercruiser Inline Engines with a 2.5 Inch OD Exhaust Pipe.

$41.95

GLM89250


Flapper Exhaust Protector for 4 Inch Thru Hull Outlet

Flapper Exhaust Protector for 4 Inch Thru Hull Outlet

Exhaust Flapper with Clamp Fits Inboards with 4" Exhaust Outlet . Used on the outside of the boat on the exhaust outlet to prevent the rush of water...

$23.95

GLM89260


Flapper Exhaust Protector for 5 and 6 Inch Thru Hull Outlet

Flapper Exhaust Protector for 5 and 6 Inch Thru Hull Outlet

Exhaust Flapper Valves with Clamps Fits Mercruiser with 5" and 6" Flapper valves

$36.95

MER25-43809


Grommet - Exhaust Flapper Pin, Mercruiser

Grommet - Exhaust Flapper Pin, Mercruiser

Grommet for Water Shutter (Flapper Valve) on Mercruiser Note: 2 Required Per Flapper

$1.95

BPI89170


Pair of Shutter Water Flapper Exhaust Y Pipe for Mercruiser BPI89170 replaces 807166A3

Pair of Shutter Water Flapper Exhaust Y Pipe for Mercruiser BPI89170 replaces 807166A3

Pair (2 Flappers) of Exhaust Water Shutter Flapper for 4 Inch Y pipe used on Mercruiser. This includes a pair (2 Flappers). Fits into the "Y" Pipe on...

$49.95

MER60931


Retainer, Water Shutter, Mercruiser

Retainer, Water Shutter, Mercruiser

Retainer for MER60930 Water Shutter

$18.95

MER60930


Shutter Exhaust Flapper 3 Inch Butterfly Design for Mercruiser 73-up 60930

Shutter Exhaust Flapper 3 Inch Butterfly Design for Mercruiser 73-up 60930

3 Inch Flapper Water Shutter Butterfly Design for various Mercruiser 1973 and newer with a 3 Inch diameter Y pipe. We call this the butterfly design...

$31.95
... more info
Replacement Available

MER99370A2


Shutter Flapper Exhaust Y Pipe 3 Inch for A Mercruiser 99370A2

Shutter Flapper Exhaust Y Pipe 3 Inch for A Mercruiser 99370A2

3" Water Shutter that was used on V-6 & V-8 Mercruiser applications with center riser manifolds from 1982 thru 1987. It's purpose is to keep water...

$28.95

SIE18-2733


Shutter Flapper Exhaust Y Pipe 3 Inch for Mercruiser 99370A2

Shutter Flapper Exhaust Y Pipe 3 Inch for Mercruiser 99370A2

Water Shutter that was used on V-6 & V-8 Mercruiser applications with center riser manifolds from 1982 thru 1987 with the 3 Inch Diameter Y Pipe....

$19.95

BPI89160


Shutter Flapper Exhaust Y Pipe 3 Inch for Mercruiser 99370A2 BPI89160

Shutter Flapper Exhaust Y Pipe 3 Inch for Mercruiser 99370A2 BPI89160

3" Water Shutter that was used on V-6 & V-8 Mercruiser applications with center riser manifolds from 1982 thru 1987. It's purpose is to keep water...

$16.95

MAL9-42801


Shutter Flapper Exhaust Y Pipe 3 Inch for Mercruiser 99370A2 MAL9-42801

Shutter Flapper Exhaust Y Pipe 3 Inch for Mercruiser 99370A2 MAL9-42801

3" Water Shutter that was used on V-6 & V-8 Mercruiser applications with center riser manifolds from 1982 thru 1987. It's purpose is to keep water...

$16.95
... more info
Replacement Available

GLM89175


Shutter Water Exhaust Flapper for Mercruiser 4 Inch Y Pipe V6 V8 807166A1

Shutter Water Exhaust Flapper for Mercruiser 4 Inch Y Pipe V6 V8 807166A1

4 Inch Water Shutter that fits many Mercruiser applications. It is 2-1/2" wide and 6-1/8" long This valve has a butterfly action and comes with 2...

$43.95

MER807166A1


Shutter Water Exhaust Flapper for Mercruiser 4 Inch Y Pipe V6 V8 807166A1

Shutter Water Exhaust Flapper for Mercruiser 4 Inch Y Pipe V6 V8 807166A1

4 Inch Water Shutter that fits many Mercruiser applications. It is 2-1/2" wide and 6-1/8" long This valve has a butterfly action and comes with 2...

$69.95
... more info
Replacement Available

MER807166A2


Shutter Water Exhaust Flapper Y Pipe Mercruiser V6 for 1 Piece Manifold System

Shutter Water Exhaust Flapper Y Pipe Mercruiser V6 for 1 Piece Manifold System

Water Shutter Kit for Mercruiser V6 with 1 piece Y-Pipe manifolds. Only fits Y pipe used with original 1 piece exhaust manifold. IF you have...

$64.95

SIE18-2732


Shutter Water Flapper Exhaust Y Pipe for Mercruiser 807166A3

Shutter Water Flapper Exhaust Y Pipe for Mercruiser 807166A3

Exhaust Water Shutter Flapper for 4 Inch Y pipe used on Mercruiser. Fits into the "Y" Pipe on most V-6 & V-8 engines to help prevent water from...

$29.95

MER807166A3


Shutter Water Flapper Exhaust Y Pipe for Mercruiser OEM 807166A3

Shutter Water Flapper Exhaust Y Pipe for Mercruiser OEM 807166A3

Exhaust Water Shutter Flapper for 4 Inch Y pipe used on Mercruiser. Fits into the "Y" Pipe on most V-6 & V-8 engines to help prevent water from...

$74.95
... more info
Replacement Available

BPI9-42800


Water Shutter, Mercruiser 4 Cylinder - Small Block V8

Water Shutter, Mercruiser 4 Cylinder - Small Block V8

Water Shutter, Exhaust fits Fits: Mercruiser 4 cyl - V8 SB with a 3 Inch OD. Exhaust Pipe. Replaces: Mercruiser 60930

$23.95

BPI9-42800


Water Shutter, Mercruiser 4 Cylinder-Small Block V8

Water Shutter, Mercruiser 4 Cylinder-Small Block V8

Water Shutter, Exhaust fits Fits: Mercruiser 4 cyl - V8 SB with a 3 Inch OD. Exhaust Pipe. Replaces: Mercruiser 60930

$19.95
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