Dorman 902-5179 Engine Coolant Thermostat Housing Assembly - Water Pump

Reliable Engine Coolant Thermostat Housing Assembly for Audi and Volkswagen

The Dorman 902-5179 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select Audi and Volkswagen models. This assembly includes a thermostat and gasket, ensuring a complete solution for your vehicle's cooling system needs.

• Durable black plastic construction for corrosion resistance
• Includes thermostat calibrated to open at 221°F for precise temperature control
• Comes with a gasket to ensure a secure, leak-free seal
• Designed with five mounting holes for secure installation
• Compatible with Audi A6 Quattro, A8 Quattro, Q7, S6, S8 and Volkswagen Touareg

Product Details and Specifications

This engine coolant thermostat housing assembly features a plastic housing with a flange length of 4.23 inches and flange thickness and width of 0.397 inches each. The inside diameter measures 0.757 inches, accommodating proper coolant flow. The assembly includes one outlet port and does not have a bleeder hole. The thermostat included is set to open at 221 degrees Fahrenheit, helping regulate engine temperature effectively. Mounting hardware is not included, but the housing has five mounting holes with bolt hole center distances ranging from 1.5 to 3.1 inches, ensuring compatibility with the specified vehicle models.

Compatible Vehicles and Applications

This Dorman 902-5179 thermostat housing assembly is compatible with the following vehicles:

• Audi A6 Quattro
• Audi A8 Quattro
• Audi Q7
• Audi S6
• Audi S8
• Volkswagen Touareg

It is designed to replace the original thermostat housing assembly in these models, providing reliable engine temperature regulation.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to thermostat failure
• Coolant leaks from damaged or cracked thermostat housing
• Erratic engine temperature readings caused by faulty thermostat
• Reduced engine performance from improper coolant flow
• Coolant contamination from gasket failure

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Remove old thermostat housing carefully to prevent damage to mounting surfaces
• Use the included gasket to create a proper seal and prevent leaks
• Torque mounting bolts to manufacturer specifications for secure fitment
• Verify thermostat opening temperature matches vehicle requirements (221°F)

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5179 thermostat housing assembly undergoes rigorous quality checks to ensure durability and reliable performance. This product includes a gasket and thermostat to provide a complete replacement solution. Warranty coverage details can be obtained from the product documentation or manufacturer.