Dorman 902-078 Engine Auxiliary Water Pump

Reliable Engine Auxiliary Water Pump for Ford LS and Lincoln Thunderbird

The Dorman 902-078 engine auxiliary water pump is designed to maintain optimal coolant circulation in select Ford and Lincoln vehicles. Engineered with durable materials, this pump supports efficient engine cooling for Ford LS and Lincoln Thunderbird models.

Key Features of the Dorman 902-078 Auxiliary Water Pump

• Constructed from a combination of plastic, rubber, and steel for durability and performance
• Black color finish for corrosion resistance and visual consistency
• Clockwise rotation to match OEM specifications
• Includes two mounting holes with a diameter of 0.4 inches for secure installation
• Inlet and outlet pipe diameters of 0.57 and 0.56 inches respectively for precise coolant flow
• Depth of 6.7 inches to fit designated engine compartments
• Does not include pulley, gasket, or shaft, allowing compatibility with existing components

Detailed Description of the Dorman 902-078 Water Pump

This engine auxiliary water pump from Dorman is specifically designed for use in Ford LS and Lincoln Thunderbird vehicles, ensuring proper coolant circulation within the engine's auxiliary cooling system. The pump’s plastic housing combined with rubber and steel components provides a balance of lightweight construction and mechanical strength. Its clockwise rotation aligns with factory specifications, ensuring seamless integration with the vehicle’s cooling system. The pump features two mounting holes for secure attachment and inlet/outlet pipe diameters optimized for efficient coolant transfer. The black finish offers resistance to corrosion and wear, contributing to the pump’s longevity.

Common Applications and Issues Addressed

• Restores proper coolant flow in auxiliary cooling circuits
• Replaces failing or noisy auxiliary water pumps in Ford LS and Lincoln Thunderbird models
• Prevents engine overheating caused by auxiliary pump malfunction
• Eliminates coolant leaks due to worn or damaged pump components
• Supports overall engine temperature regulation for improved performance

Installation Notes and Tips

• Compatible with Ford LS and Lincoln Thunderbird vehicles; verify fitment before installation
• Requires removal of the old auxiliary water pump; pulley, gasket, and shaft must be reused or replaced separately
• Ensure mounting holes align properly and use appropriate torque specifications for secure installation
• Inspect related cooling system components during installation for wear or damage
• Follow vehicle manufacturer guidelines for coolant system bleeding after installation

Quality Assurance and Warranty Information

Dorman manufactures the 902-078 auxiliary water pump to meet or exceed OEM standards for fit, form, and function. The pump undergoes rigorous quality control to ensure reliable operation in Ford LS and Lincoln Thunderbird vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.