Dorman 902-082 Engine Auxiliary Water Pump

Reliable Engine Auxiliary Water Pump for Mercedes-Benz Models

The Dorman 902-082 engine auxiliary water pump is designed to maintain optimal coolant circulation in select Mercedes-Benz vehicles. Engineered with durable plastic and rubber materials, this black auxiliary water pump supports efficient engine cooling for models including the R63 AMG, R320, R350, R500, R550, SLK55 AMG, SLK280, SLK300, and SLK350.

• Constructed from high-quality plastic and rubber components for durability
• Black finish for corrosion resistance and long service life
• Clockwise rotation to match factory specifications
• Includes two mounting holes with 0.1-inch diameter for secure installation
• Inlet and outlet pipe diameters of 0.52 inches for proper coolant flow
• Depth of 4.2 inches to fit designated engine compartments
• Does not include pulley, gasket, or shaft, designed for direct replacement

Product Details and Specifications

The Dorman 902-082 auxiliary water pump is engineered to meet the cooling system requirements of various Mercedes-Benz models. Its plastic housing and rubber components provide resistance to heat and wear, ensuring consistent performance. The pump operates with a clockwise rotation, aligning with the original equipment manufacturer (OEM) design. With two mounting holes, it offers a secure fitment in the engine bay. The inlet and outlet pipe diameters of 0.52 inches facilitate proper coolant circulation, helping maintain engine temperature within optimal ranges.

Compatible Mercedes-Benz Models

This auxiliary water pump is compatible with the following Mercedes-Benz vehicles: R63 AMG, R320, R350, R500, R550, SLK55 AMG, SLK280, SLK300, and SLK350. When searching for a replacement part, referencing the Dorman part number 902-082 ensures correct fitment and function.

Common Issues Addressed by the Auxiliary Water Pump

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

Installation Notes and Tips

Installation of the Dorman 902-082 auxiliary water pump requires basic mechanical skills and appropriate tools. Ensure the engine is cool before beginning work. Remove the old pump carefully, noting the orientation and mounting points. This pump does not include a pulley or gasket, so reuse existing components if they are in good condition or replace as necessary. Verify the clockwise rotation direction during installation to match the original setup. Tighten mounting bolts securely to the specified torque to prevent leaks or vibration.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 902-082 auxiliary water pump undergoes quality inspections to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.