Dorman 902-963 Engine Coolant Thermostat Housing - Water Pump

Overview of Dorman Engine Coolant Thermostat Housing 902-963

The Dorman 902-963 engine coolant thermostat housing is designed for reliable cooling system performance in select Audi and Volkswagen vehicles. Constructed from durable black plastic, this thermostat housing includes essential seals to ensure a secure fit and proper coolant flow.

• Material: High-quality black plastic for corrosion resistance
• Includes gasket and O-rings for leak prevention
• Two mounting holes with 0.25-inch diameter for secure installation
• Housing neck angled at 90 degrees from base for precise fitment
• Compatible with various Audi and Volkswagen models including 80, 90, 4000, Cabriolet, Corrado, Passat, Quantum, Rabbit Convertible, and Rabbit Pickup

Detailed Product Description

The Dorman 902-963 engine coolant thermostat housing is engineered to replace the original housing in specific Audi and Volkswagen vehicles. Made from durable plastic, it resists corrosion and withstands the thermal stresses of the engine cooling system. This housing comes with a gasket and O-rings included, ensuring a tight seal to prevent coolant leaks. The two mounting holes, each with a 0.25-inch diameter, allow for secure attachment to the engine block. The housing neck is positioned at a 90-degree angle from the base, matching the OEM design for proper hose alignment and coolant flow.

Compatible Vehicles and Applications

• Compatible with Audi models: 80, 90, 4000, Cabriolet, Corrado
• Compatible with Volkswagen models: Passat, Quantum, Rabbit Convertible, Rabbit Pickup, Atlantic
• Designed for engine coolant thermostat housing replacement in these vehicles

Common Issues Addressed by This Thermostat Housing

• Prevents coolant leaks caused by cracked or damaged housing
• Restores proper coolant flow to maintain engine temperature
• Eliminates overheating issues related to faulty thermostat housing
• Replaces worn or deteriorated seals to avoid coolant loss
• Ensures correct hose alignment with 90-degree neck angle

Installation Notes and Tips

• Verify compatibility with your specific Audi or Volkswagen model before installation
• Use the included gasket and O-rings to ensure a leak-free seal
• Inspect mounting holes and bolts for wear; bolts are not included with this part
• Ensure the housing neck aligns properly with the coolant hose
• Follow vehicle manufacturer torque specifications when securing the housing

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-963 thermostat housing undergoes rigorous quality control to ensure durability and reliable performance. This part includes a limited warranty covering defects in material and workmanship, providing confidence in your replacement component.