Dorman 902-087 Engine Auxiliary Water Pump

Reliable Engine Auxiliary Water Pump for Ford Escape and Mercury Mariner

The Dorman 902-087 engine auxiliary water pump is designed to maintain optimal cooling system performance in select Ford and Mercury vehicles. Engineered with durable materials, this pump supports efficient coolant circulation to help prevent overheating in your Ford Escape or Mercury Mariner.

Key Features of the Dorman 902-087 Auxiliary Water Pump

• Constructed from a combination of plastic, rubber, and steel for durability and longevity
• Black color finish for corrosion resistance and seamless integration
• Clockwise rotation to match OEM specifications
• Includes three mounting holes with varying diameters (0.27, 0.37, and 0.55 inches) for secure installation
• Inlet and outlet pipe diameters both measure 0.57 inches for proper coolant flow
• Depth of 4.7 inches to fit designated engine compartments
• Does not include pulley or gasket/seal, allowing for compatibility with existing components

Detailed Description of the Dorman 902-087 Engine Auxiliary Water Pump

This engine auxiliary water pump is specifically designed for use in Ford Escape and Mercury Mariner models, ensuring compatibility and reliable operation. The pump’s plastic housing combined with rubber and steel components provides a balance of strength and flexibility, essential for withstanding engine vibrations and temperature fluctuations. Its clockwise rotation aligns with factory specifications, maintaining proper coolant circulation. The three mounting holes with different diameters allow for a secure and precise fit, minimizing the risk of leaks or misalignment. With inlet and outlet pipe diameters of 0.57 inches, this pump supports consistent coolant flow to critical engine areas.

Common Applications and Issues Addressed

• Replacement of a failing or noisy auxiliary water pump in Ford Escape and Mercury Mariner vehicles
• Resolving coolant circulation problems that can lead to engine overheating
• Addressing leaks or cracks in the original pump housing
• Restoring proper engine temperature regulation for improved performance
• Preventing potential engine damage caused by inadequate coolant flow

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid injury
• Verify that the mounting holes align correctly with the vehicle’s engine block
• Inspect existing hoses and seals; replace if worn to prevent leaks
• Use appropriate torque specifications when securing the pump to avoid damage
• Confirm clockwise rotation matches the original pump to maintain system integrity

Quality Assurance and Warranty Information

Dorman manufactures the 902-087 auxiliary water pump to meet or exceed OEM standards for fit, form, and function. Each unit undergoes rigorous quality control to ensure durability and reliable operation in Ford Escape and Mercury Mariner vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product’s performance.