Dorman - OE Solutions Thermostat Assembly for 2002-2003 Cadillac,2003-1997 Chevrolet,2003-1999 GMC,2003 Hummer,2003 Isuzu,2002-1998 Pontiac

Engine Coolant Thermostat Housing Assembly for 2002-2003 Cadillac,2003-1997 Chevrolet,2003-1999 GMC,2003 Hummer,2003 Isuzu,2002-1998 Pontiac by Dorman - OE Solutions replaces the original thermostat housing to maintain proper coolant flow and temperature control.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Engine coolant thermostat housing assembly engineered to match fit and durability of stock housing assemblies on specified vehicles.
• Designed to withstand extreme temperature changes, extending service life.
• Industry-leading design professionally engineered by the aftermarket leader in replacement thermostat housing assemblies.
• Matches original part for seamless installation.

Benefits

• Ensures proper coolant flow and engine temperature regulation.
• Reduces risk of overheating and potential engine damage.
• Extends service life of the thermostat housing assembly.
• Provides reliable performance for daily driving demands.

Application

This part is for owners of older Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Pontiac models who need a replacement thermostat housing to keep their engines running smoothly.

Fitment Notes

• Catalyst 2002-2003 Cadillac
• Chevrolet 2003-1997
• GMC 2003-1999
• Hummer 2003
• Isuzu 2003
• Pontiac 2002-1998

Why Choose Dorman - OE Solutions?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• 1 PC

Item Dimensions

• 4.5in x 3.5in x 2.5in, 0.5lbs