Service the water pump and make the most of the boating season. Starting the season with a freshly serviced water pump will pay dividends later when the sun is out and the fish are biting. Sierra water pump kits are designed and packaged to make sourcing parts for a water pump service easy. Each kit includes everything needed to restore the water pump and eliminates the hassle of researching and sourcing individual parts. Invest early in this years boating season by servicing the water pump and capitalize on more trouble free time spent on the water. Key Features Engineered to meet or exceed OEM specifications Pre-assembled kit eliminates extra time spent sourcing individual parts Kit includes; Impeller, wear plate, upper and lower base and pump gaskets, O-rings, and rubber washer Fits Mercury outboards 75 hp 1984—1986 80 hp 1976—1980 85 hp 1976—1977 90 hp 1979—1983 115 hp 1975—1983 140 hp 1978—1980 150 hp 1975—1985 18-3314 Application Guide. ApplicationOEM Part NumbersGLM12140Mallory9-48309The Sierra Engine Parts SelectorIn addition to impellers, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see ourEngine Parts Selector, where you can search by engine make, serial number and model or year of manufacture