3 in. Exhaust Flapper With Clamp | Sierra 18-4456 Drain Plugs & Gaskets 2 long bolt staggered pattern

2 long bolt staggered pattern

Everything You Need in One Package

and 76788A1

U Cooler To Thermostat Housing Hose

3 in. Exhaust Flapper With Clamp | Sierra 18-4456 Drain Plugs & Gaskets 2 long bolt staggered patternExhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow of water into the exhaust. 3 in. Exhaust Flapper With Clamp Sierra 18 4456 For 3 in. diameter exhaust thru hulls Prevents backflow of water into exhaust system Stainless steel clamp included Designed to mount on the outside of exhaust tips Replaces Mercury 34765A1, 34765A2 Replaces OMC Johnson Evinrude 509494 Replaces Mallory 9 44000