Dorman 902-088 Engine Auxiliary Water Pump - Rear

Reliable Engine Auxiliary Water Pump for Dodge and Mercedes-Benz

The Dorman 902-088 engine auxiliary water pump is designed to support the cooling system in select Dodge and Mercedes-Benz vehicles. Engineered with durable plastic and steel materials, this pump ensures consistent coolant circulation to maintain optimal engine temperature.

• Constructed with high-quality plastic and steel components for durability
• Black finish for corrosion resistance and long service life
• Clockwise rotation to match OEM specifications
• Inlet pipe diameter of 0.52 inches and outlet pipe diameter of 0.5 inches for precise fitment
• Depth of 6.15 inches for proper installation clearance
• Does not include pulley, gasket, or shaft, allowing compatibility with existing components
• Compatible with multiple Mercedes-Benz models including 190E, 300E, E420, and AMG variants, as well as Dodge Sprinter 2500 and 3500

Durable Construction and Precise Fitment

The Dorman 902-088 auxiliary water pump features a robust combination of plastic and steel materials, providing strength where needed while maintaining lightweight design. Its black color finish helps resist corrosion, extending the pump’s operational life. The pump’s clockwise rotation and specific inlet and outlet pipe diameters ensure it integrates seamlessly with the cooling systems of compatible vehicles. This pump is designed without a pulley or gasket, allowing it to work with existing parts in your vehicle’s engine setup.

Compatible Vehicles and Applications

This auxiliary water pump is compatible with a range of Dodge and Mercedes-Benz models, including the Mercedes-Benz 190E, 260E, 300CE, 300D, 300E, 300TD, 300TE, 400E, 500E, C36 AMG, C43 AMG, C220, C230, C280, E420, E500, G55 AMG, G500, G550, SLK32 AMG, SLK230, SLK320, as well as Dodge Sprinter 2500 and Sprinter 3500. It is designed to support the engine cooling system by circulating coolant through auxiliary pathways, helping maintain engine temperature under various operating conditions.

Common Issues Addressed by the Auxiliary Water Pump

• Overheating due to insufficient coolant circulation
• Coolant leaks from worn or damaged pumps
• Engine temperature fluctuations affecting performance
• Failure of the original auxiliary water pump causing cooling system inefficiency
• Noise or vibration from a failing pump

Installation Notes and Tips

When installing the Dorman 902-088 auxiliary water pump, ensure the vehicle is cooled down and the cooling system is depressurized. Since this pump does not include a pulley or gasket, reuse existing compatible components or replace them as needed. Verify the clockwise rotation matches the original pump to avoid installation issues. Check inlet and outlet pipe diameters for proper hose connections. Follow manufacturer torque specifications for mounting to prevent leaks or damage.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 902-088 auxiliary water pump undergoes rigorous quality control to ensure fitment and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.