Dorman 902-951 Engine Coolant Thermostat Housing - Lower or Outer

Overview of Dorman Engine Coolant Thermostat Housing 902-951

The Dorman 902-951 engine coolant thermostat housing is designed specifically for Volkswagen vehicles including the Corrado, EuroVan, Golf, Jetta, and Passat models. Constructed from durable black plastic, this thermostat housing ensures reliable performance and proper coolant flow within your engine's cooling system.

• Material: High-quality black plastic for corrosion resistance
• Includes gasket or seal for secure installation
• Three mounting holes with 0.313-inch diameter for precise fit
• Housing neck angled at 90 degrees from the base for optimal coolant routing
• Package contains one water outlet housing

Detailed Product Description

The Dorman 902-951 thermostat housing is engineered to meet the exact specifications required by Volkswagen vehicles such as the Corrado, EuroVan, Golf, Jetta, and Passat. Its plastic construction offers resistance to corrosion and heat, contributing to the longevity of the cooling system. The housing features three mounting holes, each with a diameter of 0.313 inches, ensuring a secure and accurate fit. The 90-degree angle of the housing neck from the base facilitates proper coolant flow and connection to the thermostat and radiator hoses. This part includes a gasket or seal to prevent leaks but does not include the thermostat or mounting bolts.

Common Applications and Issues Addressed

• Replacement for cracked or leaking thermostat housings
• Prevents coolant leaks that can cause engine overheating
• Restores proper coolant flow in Volkswagen Corrado, EuroVan, Golf, Jetta, and Passat models
• Addresses issues related to warped or damaged housing necks
• Helps maintain engine temperature regulation by supporting thermostat function

Installation Notes and Tips

When installing the Dorman 902-951 thermostat housing, ensure the gasket or seal is properly seated to prevent coolant leaks. Verify that the three mounting holes align correctly with the vehicle’s mounting points. Since mounting bolts are not included, reuse the original hardware if in good condition or source appropriate replacements. Confirm the housing neck is oriented at 90 degrees from the base to match the vehicle’s coolant routing. It is recommended to inspect the thermostat separately as it is not included with this housing.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-951 thermostat housing undergoes rigorous quality checks to ensure durability and performance in Volkswagen cooling systems. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the manufacturer for exact warranty terms.