Motorad 413-160 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat Overview

Motorad 413-160 is an integrated housing thermostat assembly built for cooling-system service on select GM and related applications. It combines the thermostat, housing, and seal in one service part, with a 160°F temperature rating for direct replacement use on listed vehicles.

This Motorad Integrated Housing Thermostat line is engineered to match OEM specifications and processes, using materials and sealing features suited for demanding engine coolant control. The copper case and wax compound are used to promote quick reaction to coolant temperature changes, while the offset design, air relief valve, and OEM-style seals are included where applicable.

Key Features

• Part number: 413-160
• Integrated engine coolant thermostat housing assembly
• 160°F thermostat rating
• Aluminum, steel, and copper construction
• Rubber O-ring seal included
• 2-bolt housing design with 1 outlet port
• Outlet diameter: 1.30 in.
• OE supplier manufacturing with OEM specifications and processes

Detailed Product Description

Motorad 413-160 is an engine coolant thermostat housing assembly for vehicles that use an integrated housing design. It is built with aluminum, steel, and copper components and includes a rubber O-ring seal for service replacement. The 160°F calibration is intended for applications that call for this temperature setting, including Chevrolet Trailblazer, GMC Envoy, and related platform vehicles listed below.

For buyers searching for a Chevrolet Trailblazer thermostat housing assembly, GMC Envoy coolant thermostat housing, or a 160 degree integrated thermostat housing, this part number provides a direct-fit service option for the specified applications. This part cross-references Dorman OE Solutions 902-2800 for the same application.

Vehicle Fitment

• Fits 2002-2009 Chevrolet Trailblazer, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.
• Fits 2002-2009 GMC Envoy, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.
• Fits 2005-2009 Saab 9-7x, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.
• Fits 2003-2008 Isuzu Ascender, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.
• Fits 2004-2007 Buick Rainier, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.
• Fits 2002-2006 Chevrolet Trailblazer EXT, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.
• Fits 2002-2006 GMC Envoy XL, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.
• Fits 2004-2005 GMC Envoy XUV, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.
• Fits 2002-2004 Oldsmobile Bravada, N/A. Temperature 160F; includes housing, thermostat, and seal; alternate temperature option; integrated housing thermostat.

What This Part Helps Address

• Coolant temperature regulation issues caused by a worn thermostat
• Leaks at the thermostat housing or seal interface
• Delayed engine warm-up from a failing thermostat element
• Overheating concerns related to restricted coolant flow control
• Service needs on integrated housing thermostat assemblies

Installation Notes and Tips

Verify the 160°F temperature specification and the 2-bolt, 1-port housing layout before installation. Replace the sealing surface carefully, confirm the rubber O-ring is seated correctly, and follow the vehicle service procedure for coolant refill and air bleeding. The housing does not include mounting hardware or an installation tool.

Quality Assurance

Motorad manufactures this integrated housing thermostat as an OE-supplier part using OEM-quality materials and safety standards. The design is built to OEM specifications and processes for consistent coolant control in the listed Chevrolet Trailblazer, GMC Envoy, and related applications.