Restore function to a tired fuel pump. For 50 years Sierra has been producing parts engineered to meet or exceed the specifications of marine engine manufacturers. Boaters and technicians can be assured a Sierra part will fit the first time and restore function to OEM standards. Fuel pump kits include gaskets, springs and diaphragms to rebuild mechanical fuel pumps used on Mercury and Chrysler engines. Everything you need is included. Use caution, small spring loaded components in these pumps can be lost during the rebuilding process. Key Features Sierra rebuild kits meet or exceed manufacturers specifications Complete kits are designed to restore function to fuel pumps used on older Mercury sport jet and Chrysler Force engines Replaces GLM 40870 Backed by SeaStar SolutionsLimited Two-Year Warranty The Sierra Engine Parts Selector In addition to fuel pump rebuild kits, 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, model and year of manufacture.