Dorman 902-691 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly

The Dorman 902-691 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for Cadillac, Saab, and Saturn vehicles. This metal thermostat housing assembly includes a thermostat and gasket, ensuring a secure and efficient cooling system operation.

• Durable metal construction with natural finish
• Includes thermostat opening at 198°F for precise temperature control
• Comes with a gasket for a proper seal
• Compatible with Cadillac CTS, Catera, and LS2 models, Saab 9-5, 900, 9000, and Saturn L300, LW2, LW300, Vue
• Two mounting holes with 2.93-inch bolt hole center spacing
• Flange dimensions: 3.51 inches length, 2.54 inches width, 0.7 inches thickness
• Part number 902-691 ensures exact fit and function

Product Details and Specifications

This engine coolant thermostat housing assembly by Dorman is crafted from metal for durability and heat resistance. The natural color finish complements the engine bay without compromising performance. The included thermostat opens at 198 degrees Fahrenheit, regulating coolant flow to maintain engine temperature within optimal range. The assembly features a single outlet port and two mounting holes spaced 2.93 inches apart center to center, facilitating straightforward installation. The gasket included ensures a tight seal to prevent coolant leaks. Flange dimensions are designed to match OEM specifications, with a length of 3.51 inches, width of 2.54 inches, and thickness of 0.7 inches.

Compatible Vehicles and Applications

This Dorman 902-691 thermostat housing assembly is compatible with a range of Cadillac, Saab, and Saturn models. It is suitable for Cadillac CTS, Catera, LS2, and LW2, as well as Saab 9-5, 900, and 9000 models. Saturn vehicles including L300, LW300, and Vue also use this part. This ensures proper fitment and reliable operation in these specific vehicles.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to thermostat failure
• Coolant leaks from damaged or worn housing
• Inconsistent engine temperature regulation
• Corrosion or cracking in original thermostat housing
• Replacement of faulty thermostat and gasket in one assembly

Installation Notes and Tips

Installation requires removal of the old thermostat housing and cleaning of the mounting surface to ensure a proper seal. The included gasket must be positioned correctly to prevent leaks. Note that mounting hardware is not included, so original bolts should be reused or replaced as needed. Verify the thermostat opening temperature matches vehicle specifications before installation. Proper torque on mounting bolts is essential to avoid damage or leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-691 thermostat housing assembly undergoes quality checks to ensure durability and performance. This part includes a gasket and thermostat to provide a complete solution. Warranty coverage details can be obtained from the product documentation or manufacturer.