Dorman 902-089 Engine Auxiliary Water Pump

Reliable Engine Auxiliary Water Pump for Select European Vehicles

The Dorman 902-089 engine auxiliary water pump is designed to support the cooling system of various Bentley, Porsche, and Volkswagen models. Engineered with durable materials and precise specifications, this pump helps maintain optimal engine temperature and performance.

• Constructed from plastic, rubber, and steel components for durability
• Black color finish for corrosion resistance and visual consistency
• Clockwise rotation to match OEM specifications
• Inlet pipe diameter of 0.54 inches and outlet pipe diameter of 0.52 inches
• Depth of 6.9 inches for proper fitment in designated engine compartments
• Does not include pulley, gasket, or shaft, designed for direct replacement

Detailed Product Description

The Dorman 902-089 auxiliary water pump is a critical component in the cooling systems of Bentley Continental, Porsche Cayenne, and Volkswagen models including the Golf, Jetta, Passat, Phaeton, R32, EuroVan, and Touareg. Manufactured with a combination of plastic, rubber, and steel materials, this pump ensures reliable operation under demanding engine conditions. Its black finish provides resistance against corrosion and wear, while the clockwise rotation aligns with factory specifications for seamless integration. The pump’s inlet and outlet pipe diameters (0.54 and 0.52 inches respectively) and 6.9-inch depth are designed to match exact OEM dimensions, facilitating straightforward installation without modification.

Common Applications and Issues Addressed

• Prevents engine overheating by maintaining coolant circulation
• Replaces faulty or worn auxiliary water pumps causing coolant leaks
• Resolves intermittent cooling system failures in Bentley, Porsche, and Volkswagen vehicles
• Eliminates unusual engine temperature fluctuations due to pump malfunction
• Supports proper operation of secondary cooling circuits in turbocharged engines

Installation Notes and Tips

• Ensure compatibility with your specific vehicle model and year before installation
• Inspect surrounding hoses and connections for wear or damage during replacement
• Use appropriate tools to avoid damage to inlet and outlet pipe fittings
• Verify clockwise rotation alignment to prevent premature pump failure
• Bleed the cooling system properly after installation to remove air pockets

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 902-089 auxiliary water pump undergoes rigorous quality control to ensure fit, form, and function. While specific warranty terms may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for detailed warranty information.