Dorman 902-814 Engine Coolant Thermostat Housing Assembly

Overview of Dorman Engine Coolant Thermostat Housing Assembly

The Dorman 902-814 Engine Coolant Thermostat Housing Assembly is designed specifically for Audi A4 and A4 Quattro models. This complete assembly includes a thermostat calibrated to open at 212 degrees Fahrenheit, ensuring precise engine temperature regulation for optimal performance.

• Material: Durable black plastic construction
• Includes thermostat and gasket for a complete seal
• Three outlet ports for efficient coolant flow
• Two mounting holes for secure installation
• Flange dimensions: 3.5 inches length by 2.5 inches width

Detailed Product Description

This thermostat housing assembly from Dorman is engineered to meet the cooling system requirements of Audi A4 and A4 Quattro vehicles. The plastic housing offers corrosion resistance and lightweight durability. It comes with a pre-installed thermostat that opens at 212°F, helping maintain the engine’s optimal operating temperature. The included gasket ensures a reliable seal to prevent coolant leaks. With three outlet ports, this housing supports efficient coolant distribution, while the two mounting holes provide a secure fit. Note that mounting hardware is not included.

Compatible Applications and Common Issues Addressed

• Replacement for faulty or leaking thermostat housing assemblies on Audi A4 and A4 Quattro
• Resolves engine overheating caused by thermostat failure
• Prevents coolant leaks due to worn or damaged housing gaskets
• Addresses poor engine temperature regulation impacting fuel efficiency
• Suitable for restoring proper coolant flow in the vehicle’s cooling system

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid injury. Remove the old thermostat housing carefully to prevent damage to surrounding components. Clean the mounting surface thoroughly before installing the new gasket and housing assembly. Use the two mounting holes to secure the housing firmly, but avoid over-tightening to prevent cracking the plastic. Since mounting hardware is not included, reuse existing bolts if in good condition or source replacements separately.

Quality Assurance and Warranty Information

Dorman manufactures this thermostat housing assembly to meet or exceed OEM specifications for fit and function on Audi A4 and A4 Quattro models. The plastic material is selected for durability and resistance to corrosion. The included thermostat is calibrated for consistent performance at 212 degrees Fahrenheit. This part is backed by Dorman’s standard warranty coverage, providing assurance of quality and reliability.