AC Delco 251-748 Original Equipment Engine Water Pump for GM Diesel

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