Dorman 902-2100 Engine Coolant Thermostat Housing Assembly - Upper

Engine Coolant Thermostat Housing Assembly

Dorman 902-2100 is a replacement engine coolant thermostat housing assembly built to match the fit and durability of the original housing on specified vehicles. It uses a metal housing with a gasket and thermostat included, and it is engineered to handle repeated temperature swings in the cooling system.

Compatible with 2004-2006 Buick Rendezvous, 2005-2008 Buick Allure, 2005-2008 Buick LaCrosse, and 2007-2009 Suzuki XL-7, this thermostat housing assembly supports direct-fit cooling system service for the listed applications. The Dorman 902-2100 is a practical OE-style replacement for drivers servicing Buick and Suzuki cooling system repairs.

Key Features

• Metal thermostat housing for added durability
• Natural finish housing with 1.43 in. inside diameter
• Gasket included for sealing at installation
• Thermostat included, opening at 180 degrees F
• 3 mounting holes with a single outlet port
• Designed for specified Buick and Suzuki applications

Detailed Description

This engine coolant thermostat housing assembly is built as a direct replacement for the stock housing used on select Buick and Suzuki vehicles. The housing is made from metal and shaped to match the original mounting and sealing points, helping maintain proper coolant routing through the engine. Dorman 902-2100 is designed for 2004-2006 Buick Rendezvous, 2005-2008 Buick Allure, 2005-2008 Buick LaCrosse, and 2007-2009 Suzuki XL-7 applications.

The assembly includes the thermostat and gasket, with the thermostat calibrated to open at 180 degrees F. That makes this part a complete service solution for thermostat housing replacement on the listed vehicles. This part cross-references Beck/Arnley 143-0844 and Gates 34724 for the same application.

What It Helps Fix

• Coolant leaks at the thermostat housing
• Cracked or warped plastic housing replacement needs
• Improper thermostat sealing at the engine outlet
• Cooling system temperature control issues
• Service replacement for worn Buick or Suzuki thermostat housing assemblies

Installation Notes and Tips

Verify the mounting hole pattern, outlet port layout, and housing dimensions before installation. Clean the mating surface thoroughly and inspect the cooling system for old gasket material or corrosion before fitting the new gasket. Refill and bleed the cooling system according to the vehicle service procedure after installation.

Use this part number, Dorman 902-2100, to confirm application details when ordering or comparing replacement options for Buick Rendezvous, Buick Allure, Buick LaCrosse, and Suzuki XL-7 cooling system service.

Quality Assurance

Dorman designs this replacement thermostat housing assembly to match the fit and durability of the stock housing on the specified vehicles and to withstand extreme temperature changes for extended service life.