Dorman 902-746 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Volkswagen Models

The Dorman 902-746 engine coolant thermostat housing is designed to provide a durable and precise fit for various Volkswagen vehicles. Engineered from high-quality black plastic, this thermostat housing ensures efficient coolant flow and reliable engine temperature regulation.

Key Features of the Dorman 902-746 Thermostat Housing

• Constructed from durable black plastic for corrosion resistance
• Includes a gasket for a secure, leak-free seal
• Two mounting holes with 0.25-inch diameter for stable installation
• Outlet port diameter of 0.7 inches for proper coolant flow
• Housing neck angle is parallel with the base for exact fitment
• Compatible with multiple Volkswagen models including CrossFox, Golf, Gol Sedan, Lupo, Nuevo Gol, Pointer, Polo, Saveiro, and SportVan
• Thermostat not included, allowing use with existing or preferred thermostat units

Detailed Description of the Thermostat Housing

The Dorman 902-746 thermostat housing is specifically designed for Volkswagen vehicles such as the Golf, Polo, and CrossFox. Made from high-quality plastic, it offers resistance to corrosion and heat, which are critical for maintaining engine cooling system integrity. The housing includes a gasket to ensure a tight seal between the housing and engine block, preventing coolant leaks. With two mounting holes sized at 0.25 inches in diameter, installation is secure and stable. The outlet port diameter of 0.7 inches supports proper coolant flow, while the housing neck angle is parallel with the base, ensuring compatibility with the vehicle’s cooling system layout. This part does not include bolts or a thermostat, allowing flexibility for use with existing components.

Common Applications and Issues Addressed

• Replacement of cracked or damaged thermostat housing in Volkswagen CrossFox and Golf models
• Resolving coolant leaks caused by worn or failed housing gaskets
• Addressing overheating issues due to improper coolant flow
• Maintaining engine temperature regulation in Volkswagen Polo and Saveiro vehicles
• Restoring cooling system integrity after housing corrosion or deformation

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use the included gasket to prevent coolant leaks; do not reuse old gaskets
• Check mounting holes and bolts for wear; bolts are not included with this part
• Verify the housing neck angle aligns properly with the existing cooling system
• Inspect the thermostat separately as it is not included with this housing

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The 902-746 thermostat housing undergoes rigorous quality control to provide durability and resistance to heat and corrosion. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.