Dorman 902-5197 Engine Coolant Thermostat Housing - Water Pump

Overview of Dorman Engine Coolant Thermostat Housing

The Dorman 902-5197 engine coolant thermostat housing is designed for Volkswagen vehicles including the Beetle, Jetta, and Passat models. Constructed from durable black plastic, this thermostat housing provides reliable performance and precise fitment for your engine cooling system.

• Material: High-quality black plastic for corrosion resistance
• Outlet port diameter: 1.75 inches
• Inlet port diameter: 1.02 inches
• Height: 3.21 inches
• Flange thickness: 0.46 inches
• Mounting holes: 2 with 0.41 inch diameter each
• Bolt hole center-to-center distance: 2.57 inches
• Bolts included for secure installation
• Thermostat and gasket not included

Detailed Product Description

The Dorman 902-5197 thermostat housing is engineered to meet the exact specifications required for Volkswagen Beetle, Jetta, and Passat models. Its black plastic construction offers resistance to heat and corrosion, ensuring longevity in the engine cooling system. The housing features two mounting holes spaced 2.57 inches apart center-to-center, allowing for a secure and precise fit. The outlet port diameter of 1.75 inches and inlet port diameter of 1.02 inches are designed to match OEM dimensions, facilitating proper coolant flow. The flange thickness of 0.46 inches provides a stable sealing surface, although a gasket or seal is not included with this part. Bolts are included to assist with installation, but the thermostat itself is not part of this package.

Compatible Vehicles and Common Applications

• Volkswagen Beetle engine coolant system repairs
• Volkswagen Jetta thermostat housing replacement
• Volkswagen Passat cooling system maintenance
• Addressing coolant leaks around the thermostat housing
• Replacing cracked or damaged thermostat housings

Installation Notes and Tips

When installing the Dorman 902-5197 thermostat housing, ensure the mounting surface is clean and free of old gasket material to prevent leaks. Since a gasket or seal is not included, use a compatible gasket or sealant recommended for your Volkswagen model. Verify the correct orientation of the housing and tighten bolts evenly to the manufacturer’s torque specifications. Inspect the coolant system for leaks after installation and refill coolant as necessary.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5197 thermostat housing undergoes quality checks to ensure durability and performance in Volkswagen Beetle, Jetta, and Passat vehicles. Please refer to Dorman’s warranty policy for specific coverage details.