Seller notes

2Pcs Exhaust Y Pipe Water Shutter Flappers Replaces Mercruiser 807166A2 V6 Marine Replaces:Mercruiser 807166A2 Used on many Mercruiser stern drive V6 engines. They keep water from entering the engine through the exhaust and wear out or break overtime. Size(L x W x H): 15.7 x 7.7 x 0.4 cm / 6.18 x 3.03 x 0.16 inch Used on Mercruiser stern drive V6 engines with one piece exhaust manifolds, or that originally had the 1 piece manifolds these are wider and have a flat tip. If you have ever overheated...

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