OMC GM Small Block Exhaust Manifold | Sierra 18-1903 Mercury Connectors

OMC GM Small Block Exhaust Manifold | Sierra 18-1903 Mercury ConnectorsPort exhaust manifold fits OMC GM 5. 0L & 5. 7L marine engines with end riser. OMC GM Small Block Exhaust Manifold Sierra 18 1903 OMC exhaust manifold Direct replacement manifold fits OMC GM V8 305 and 350 cu. in. small block engines with end riser exhaust manifold Port side Heavy duty cast iron Painted black Includes both gaskets and drain cap with hose clamp Manifold mounting kit P N 18 8502 sold separately Replaces OMC 912442 Replaces Osco 2442

We highly recommend replacing blades in full sets

Simple compression of base tabs allows for the quick and easy removal for routine cleaning and maintenance

and 9264 carburetors

White 100% nylon anchor line with spring hook

adding metal riser fabrication to its portfolio

Horizontally mounted with brackets on Crusader return type fuel systems

promoting superior performance by minimizing potential leak points

Mercruiser replacement

Effortlessly regulate the temperature of your engine with our top-of-the-line Thermostat Kit | Sierra 18-3673

it prevents unexpected breakdowns while you are out on the water

4 BBL Rochester spread bore remanufactured carburetor

oil filled coil produces up to 40