Dorman 902-693 Engine Coolant Thermostat Housing Assembly

Overview of Dorman Engine Coolant Thermostat Housing Assembly

The Dorman 902-693 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for select GM vehicles. This metal thermostat housing assembly includes a thermostat and gasket, ensuring reliable cooling system performance for Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saturn models.

• Durable metal construction in natural color
• Includes thermostat with 180°F opening temperature
• Comes with gasket and three bolts for secure installation
• Features four outlet ports and three mounting holes
• Compatible with multiple GM models including Buick LaCrosse, Chevrolet Malibu, and GMC Terrain

Detailed Product Description

The Dorman 902-693 thermostat housing assembly is engineered with a metal body that offers durability and resistance to engine heat and pressure. The assembly includes a thermostat calibrated to open at 180 degrees Fahrenheit, helping regulate coolant flow and maintain engine temperature within manufacturer specifications. The natural metal finish provides corrosion resistance, while the included gasket ensures a tight seal to prevent leaks. With four outlet ports and three mounting holes, this housing assembly fits securely and integrates seamlessly with the vehicle’s cooling system. The flange dimensions—2.55 inches in length, 0.5 inches thick, and 4.14 inches wide—are designed to match OEM specifications for a precise fit.

Compatible Vehicles and Applications

This thermostat housing assembly is compatible with a range of GM vehicles, including Buick Allure and LaCrosse, Cadillac SRX and XTS, Chevrolet Equinox, G6, Impala, Malibu, GMC Terrain and Torrent, Pontiac G6 and Torrent, Saturn Aura and Vue, and Chevrolet Captiva Sport. The part number 902-693 ensures you receive the correct component for these models, supporting proper engine cooling and performance.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to faulty thermostat housing leaks
• Coolant leaks caused by damaged or worn housing gaskets
• Irregular engine temperature fluctuations from malfunctioning thermostat
• Corrosion or cracking in original thermostat housing
• Improper coolant flow affecting engine efficiency

Installation Notes and Tips

Installation requires removal of the old thermostat housing and careful cleaning of the mounting surface to ensure a proper seal. The package includes a gasket and three bolts, but mounting hardware beyond these bolts is not included. Verify the thermostat opening temperature of 180°F matches vehicle specifications before installation. Torque bolts evenly to manufacturer-recommended specifications to avoid leaks or damage.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. This thermostat housing assembly includes a gasket and thermostat to provide a complete solution for cooling system repairs. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to ensure customer confidence and product reliability.