07-19 MARINE CHEVROLET SILVERADO GMC SIERRA WATER PUMP GM AC DELCO OEMCondition: REBUILDABLE CORE USED The GM 12637371 is an OEM engine water pump designed for Chevrolet Silverado and GMC Sierra vehicles. It is compatible with models manufactured between the years 2007 and 2019. The pump is made by ACDelco and is used in a variety of other GM vehicles such as marine applications and the LS3 or L92 engines. The GM 12637371 has been offered for sale in used as well as brand indicating its reliability and popularity among