Mercruiser shutters, exhaust check valves kit two pieces

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REC807166A3
8785 (Including tax)
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Description

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 backing into the manifold and engine
swivel design and is sold in pairs



If your flapper currently has round grommets that hold it in, and a 4 inch Y-Pipe, then this is the correct flapper
If your current flapper is held in with square grommets, then you need REC807166A1



Replaces Mercruiser OEM # 807166A3

  • Does Not Fit 4.3 Engines Originally Equipped with the 1 Piece Exhaust Manifold

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