Part Name: 2 Exhaust Flappers Water Shutter 807166A3 14348A1 for 1982-1996 Mercruiser

Part Number:807166A3, 18-2732-9, 182732-9, 143481, 14348A1, 14348A2

Application:
For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6
Designed for MerCruisers Engines 1982-1996, there are some 1996 and 1997 models that apply. Fits the oval 4″ Y-pipes with round pin holes. If you have two rectangular holes for the grommets you will need the A1 water shutter. 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.