2Pcs Exhaust Flappers Water Shutter For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6 807166A3 Sierra 18-2732

2Pcs Exhaust Flappers Water Shutter For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6 807166A3 Sierra 18-2732

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<<Important !!!>> Before Purchase!
​Please confirm the OEM No. / Part correct and fit your Engine Model.
​If you have any concerns regarding the suitability of the item please contact us before purchase.
​It is Aftermarket Parts, Not OEM Original Parts!

Exhaust Flappers Water Shutter For 1982-1998 Mercruiser 5.0L 5.7L V8 & 4.3L V6 807166A3 Sierra 18-2732

Package Contents:
2 x Exhaust Flapper Water Shutter

Brand New Replacement Water Shutter

Interchange Part Number: 807166A3

Fitment: for Mercruiser

This is the exhaust water shutter used with the exhaust elbow it is located in the exhaust Y-pipe.

For 1982 to 1996 engines,there are some 1996 and 1997 models that apply.

Made of neoprene material,flame retardant,good elasticity and aging resistant.

They help keep water from entering the engine through the exhaust.