Sierra 18-3150 MerCruiser Bravo Water Pump KitThe Sierra 18-3150 Water Pump Kit is for use on all MerCruiser Bravo and TRS Sterndrives and Inboard Marine engines. Can be used to replace the 2 piece housing sea water pump. Sierra aftermarket engine parts are manufactured to meet or exceed all OEM requirements. One piece plastic housing; Interchangeable with: GLM; 12088; EMP; 46-13159; Mallory; 9-48350; MerCruiser Stern Drive; 46-807151A14; 46-807151A7;