Dorman 902-2010 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-2010

The Dorman 902-2010 engine coolant thermostat housing is designed for reliable cooling system performance in select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. This metal thermostat housing features a durable black finish and includes a gasket for a secure seal.

• Constructed from durable metal with a black finish
• Includes a gasket for proper sealing
• Outlet port diameter of 1.5 inches
• Two mounting holes with 0.313 inch diameter each
• 90-degree housing neck angle for precise fitment
• Compatible with Buick Allante, Cadillac DeVille, DTS, Eldorado, Seville, Oldsmobile Aurora, Pontiac Bonneville, and Lucerne models
• Thermostat not included
• No bolts or air vent (bleeder valve) included

Detailed Product Description

The Dorman 902-2010 engine coolant thermostat housing is engineered to replace the original housing on various GM vehicles, including Buick Allante and Pontiac Bonneville. Made from metal, this housing offers strength and resistance to heat and corrosion. The black finish provides additional protection against environmental factors. The housing features a 1.5-inch outlet port diameter and a 90-degree neck angle, ensuring proper coolant flow and fitment. Two mounting holes, each with a diameter of 0.313 inches, allow for secure attachment. This thermostat housing comes with a gasket included to help prevent leaks, but it does not include the thermostat or mounting bolts.

Compatible Vehicles and Applications

This thermostat housing is compatible with the following makes and models:

• Buick Allante
• Cadillac DeVille, DTS, Eldorado, Seville
• Oldsmobile Aurora
• Pontiac Bonneville, Lucerne

It is designed specifically for vehicles requiring a 90-degree housing neck angle and a 1.5-inch outlet port diameter, ensuring a precise fit and proper coolant system operation.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or damaged thermostat housing
• Overheating due to improper coolant flow
• Corrosion or wear compromising the housing integrity
• Failed seals leading to coolant loss
• Replacement of worn or broken original equipment parts

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Remove old housing carefully to avoid damaging mounting surfaces
• Use the included gasket to create a proper seal
• Verify mounting hole alignment and torque bolts to manufacturer specifications (bolts not included)
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-2010 thermostat housing undergoes rigorous quality control to ensure durability and reliable performance. This part includes a gasket for proper sealing but does not include a thermostat or mounting bolts. Warranty coverage details can be obtained from the product documentation or manufacturer.