Motorad 456-160 Engine Coolant Thermostat

Motorad 456-160 Engine Coolant Thermostat

The Motorad 456-160 engine coolant thermostat is a 160 degree F replacement thermostat built with OEM-quality materials and OE supplier manufacturing standards. It is made to respond quickly to coolant temperature changes, helping maintain stable engine operating temperature in a wide range of GM, Cadillac, Chevrolet, GMC, Pontiac, Saab, Hummer, Buick, and Isuzu applications.

Motorad Standard line parts focus on direct-fit cooling system service with OE-style construction and specification-based manufacturing. For buyers searching for a 160F thermostat for Chevrolet Silverado, GMC Sierra, or Cadillac Escalade service, this part number 456-160 is a straightforward replacement option.

Key Features

• 160 degree F thermostat setting for lower opening temperature applications
• Copper case and wax compound for responsive temperature control
• Manufactured to OEM specifications and processes
• Includes rubber gasket/seal for installation
• Jiggle pin weep hole included for air bleeding during service
• Sealing flange outside diameter: 2.13 in
• Bypass diameter: 1.46 in
• Bypass length: 1.84 in
• Flange thickness: 0.05 in

Product Details

This Motorad Standard thermostat is built for engine cooling system service where accurate coolant regulation matters. The copper case and wax element are used to improve reaction to temperature swings, while the included rubber seal supports a proper housing seal during replacement. The jiggle pin weep hole helps purge trapped air, which is important after cooling system service. This part cross-references Dorman HELP 45660 and Four Seasons 14946 for the same application.

Common Uses

• Replacing a worn thermostat that causes overheating
• Addressing slow warm-up or unstable engine temperature
• Correcting coolant flow issues after thermostat failure
• Servicing a leaking thermostat housing seal
• Restoring temperature control on GM truck and SUV cooling systems

Installation Notes

Verify housing style, bypass dimensions, and 160F temperature specification before installation. This thermostat includes a seal and does not include an installation tool. Clean the sealing surfaces thoroughly, inspect the housing for corrosion or warping, and bleed air from the cooling system after service. Confirm vehicle-specific fitment for applications such as 2004-2006 Chevrolet Silverado 1500, 2004-2006 GMC Sierra 1500, and 2004-2006 Cadillac Escalade before ordering.

Quality Assurance

Motorad manufactures this thermostat with OEM-quality materials and safety standards as an OE supplier, using OEM specifications and processes for consistent cooling system service. Compatible With 1997-2009 Chevrolet Corvette, 1999-2006 Chevrolet Silverado, 2000-2006 GMC Yukon, and 2002-2006 Cadillac Escalade applications listed in the fitment data.