Find it / Search Box

Search text, Transmission model #, OEM part number, a part number.

177 Fulford Dr.
Harkers Island, NC 28531
(252) 504-3355
Check Your Order Status
(Tracking Information)

Shopping Cart  [more]

Flappers and Shutters

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

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

BPI89170


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

BPI89175


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...

$21.95
Flapper Exhaust Protector for 3 Inch Thru Hull Outlet

BPI89240


Flapper Exhaust Protector for 3 Inch Thru Hull Outlet

Flapper for Thru-Hull using a 3 Inch Exhaust Outlet on Inboard Applications. Used on the outside of the boat on the exhaust outlet to prevent the...

$20.95
Exhaust Flapper Valve & Clamp for 4 Inch Thru Hull Outlet

BPI89250


Exhaust Flapper Valve & Clamp 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...

$15.95
Water Shutter, Mercruiser 4 Cylinder - Small Block V8

BPI9-42800


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
Water Shutter, Mercruiser 4 Cylinder-Small Block V8

BPI9-42800


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
Water Shutter Kit V6 Engines 1996-99 For One Piece Exhaust Manifold Y-Pipe

BPI99-08307


Water Shutter Kit V6 Engines 1996-99 For One Piece Exhaust Manifold Y-Pipe

Water Shutter Exhaust Flapper Kit For V6 Engines 1996-99 For Original One Piece Exhaust Manifold Y-Pipe These are wider and have a flat tip....

$49.95
Water Shutter, Mercruiser 4 Cylinder-Small Block V8

EMP32-08302


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

$20.95
Shutter Water Exhaust Flapper for Mercruiser 4 Inch Y Pipe V6 V8 807166A1

EMP32-08306


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...

$24.95
Shutter Water Exhaust Flapper for Mercruiser 4 Inch Y Pipe V6 V8 807166A1

GLM89175


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...

$49.95
Flapper Exhaust Protector for 4 Inch Thru Hull Outlet

GLM89250


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
Flapper Exhaust Protector for 5 and 6 Inch Thru Hull Outlet

GLM89260


Flapper Exhaust Protector for 5 and 6 Inch Thru Hull Outlet

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

$49.95
Grommet - Exhaust Flapper Pin, Mercruiser

MER25-43809


Grommet - Exhaust Flapper Pin, Mercruiser

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

$1.95
Exhaust Shutters, Mercruiser Inline 4, 6 and 3.7L

MER45586


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

MER60930


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
Retainer, Water Shutter, Mercruiser

MER60931


Retainer, Water Shutter, Mercruiser

Retainer for MER60930 Water Shutter

$18.95
Shutter Water Exhaust Flapper for Mercruiser 4 Inch Y Pipe V6 V8 807166A1

MER807166A1


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

MER807166A2


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
Shutter Water Flapper Exhaust Y Pipe for Mercruiser OEM 807166A3

MER807166A3


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

MER99370A2


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
Shutter Water Flapper Exhaust Y Pipe for Mercruiser 807166A3

SIE18-2732


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
Shutter Flapper Exhaust Y Pipe 3 Inch for Mercruiser 99370A2

SIE18-2733


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
Copyright © 2022 Basic Power Industries.
Call us (252)728-5566