Dorman 902-064 Engine Auxiliary Water Pump

Reliable Engine Auxiliary Water Pump for GM Trucks and SUVs

The Dorman 902-064 engine auxiliary water pump is designed to support the cooling system of select Cadillac, Chevrolet, and GMC vehicles. Engineered with durable plastic and rubber materials, this black auxiliary water pump ensures consistent coolant circulation for models like the Escalade, Silverado 1500, Sierra 1500, Suburban 1500, Tahoe, and Yukon.

Key Features of the Dorman 902-064 Auxiliary Water Pump

• Constructed from durable plastic and rubber components for longevity
• Black color finish for corrosion resistance and visual consistency
• Clockwise rotation to match OEM specifications
• Includes 2 mounting holes with 0.47-inch diameter for secure installation
• Inlet and outlet pipe diameters of 0.5 inches for proper coolant flow
• Depth of 4.25 inches to fit designated engine compartments
• Does not include pulley, gasket, or shaft, designed for direct replacement

Detailed Description of the Dorman 902-064 Water Pump

This engine auxiliary water pump is specifically designed to maintain optimal coolant circulation in the engine cooling systems of various GM trucks and SUVs. The plastic housing combined with rubber components provides a balance of durability and flexibility, ensuring reliable operation under typical engine temperatures and pressures. The pump’s clockwise rotation and precise inlet/outlet pipe diameters align with factory specifications, making it a suitable replacement for the Cadillac Escalade, Chevrolet Silverado 1500, Sierra 1500, Suburban 1500, Tahoe, and GMC Yukon models. The absence of a pulley and gasket means it is intended to be installed with existing components, simplifying the replacement process.

Common Applications and Issues Addressed

• Restores proper coolant flow to prevent engine overheating
• Replaces failing or noisy auxiliary water pumps in GM trucks and SUVs
• Eliminates coolant leaks caused by worn or damaged pump housings
• Supports engine temperature regulation during heavy-duty or towing conditions
• Prevents engine damage related to insufficient coolant circulation

Installation Notes and Tips

• Verify compatibility with your specific vehicle make and model before installation
• Ensure the engine is cool before beginning replacement to avoid injury
• Use existing mounting hardware and inspect for wear or damage
• Check and replace any associated seals or gaskets as needed, since this pump does not include them
• Confirm proper alignment of inlet and outlet pipes to avoid leaks

Quality Assurance and Warranty Information

Dorman manufactures the 902-064 auxiliary water pump to meet or exceed OEM standards for fit, form, and function. Each unit undergoes quality inspections to ensure reliable performance in compatible Cadillac, Chevrolet, and GMC vehicles. Warranty coverage details should be confirmed at the point of purchase, as terms may vary.