New Pair of Replacement Water Shutters,1 pair Required Per Engine.
Replaces Part #: 807166A3, 18-2732-9, 143481 , 14348A1 , 14348A2
For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6
For 1982 to 1996 engines, there are some 1996 and 1997 models that apply. . Fits oval 4" Y-pipes with round pin holes. If you have two rectangular holes for the grommets you need the A1 water shutters. If your Y-pipe changes size a few inches bellow the shutter you have a one piece manifold V6 Y-pipe and need shutter A2.

Others

2pcs Exhaust Flappers Water Shutters Fits 1982-1996 Mercruiser 807166A3 14348A1 14348A2 Sierra 18-2732

SKU 807166A3

New Pair of Replacement Water Shutters,1 pair Required Per Engine.
Replaces Part #: 807166A3, 18-2732-9, 143481 , 14348A1 , 14348A2
For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6
For 1982 to 1996 engines, there are some 1996 and 1997 models that apply. . Fits oval 4" Y-pipes with round pin holes. If you have two rectangular holes for the grommets you need the A1 water shutters. If your Y-pipe changes size a few inches bellow the shutter you have a one piece manifold V6 Y-pipe and need shutter A2.

Quantity

Frequently Bought Together

Total price $ 3,577

New Pair of Replacement Water Shutters,1 pair Required Per Engine.
Replaces Part #: 807166A3, 18-2732-9, 143481 , 14348A1 , 14348A2
For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6
For 1982 to 1996 engines, there are some 1996 and 1997 models that apply. . Fits oval 4" Y-pipes with round pin holes. If you have two rectangular holes for the grommets you need the A1 water shutters. If your Y-pipe changes size a few inches bellow the shutter you have a one piece manifold V6 Y-pipe and need shutter A2.