ACDelco GM Original Equipment 12685257 Engine Water Pump

Thoroughly tested for reliable, leak-free performanceUniform wall sections and smooth coolant-flow cavities for efficient operationCoated seals with a stainless steel spring for durabilityHeat-treated impeller shafts supported by high-quality ball/roller bearings for smooth, reliable operation in virtually all conditionsGM-recommended replacement part for your GM vehicle's original factory water pumpOffering the quality, reliability, and durability of GM OEManufactured to GM OE specification for fit, form, and function

CERTAINTY STARTS HERE - ACDelco maintenance and repair parts are tested to rigorous standards and backed by GM so you and your vehicle can go the distance.