Motorad 524KT Engine Coolant Thermostat Housing Assembly

OE-Style Cooling Control for GM Applications

The Motorad 524KT engine coolant thermostat housing assembly is built for vehicles that need precise coolant temperature control and a reliable sealing surface. It uses OEM-quality materials and OE-specified processes to support consistent operation in demanding cooling systems.

With a copper case, wax compound, offset design, air relief valve, and OEM-style seals where applicable, this Motorad Kit is a direct-fit solution for many Chevrolet Silverado, GMC Sierra, and Cadillac Escalade applications. The 524KT is specified at 187F for the listed vehicles.

Key Features

• Engine coolant thermostat housing assembly for temperature-managed cooling systems
• OE-specified 187F thermostat calibration for listed applications
• Copper case and wax compound for responsive temperature changes in coolant flow
• Offset design with air relief valve included where applicable
• OEM-style seals included where applicable for proper housing sealing
• Constructed from steel, stainless steel, copper, and rubber
• Black and silver finish with 2 bolt holes

Product Details

Motorad Kit 524KT is engineered as an OE-supplier replacement for vehicles that require a thermostat housing assembly with the inlet, thermostat, and seal arrangement noted in the fitment data. It is listed across a wide range of GM platforms, including Chevrolet Silverado 1500, Silverado 2500 HD, Tahoe, Corvette, GMC Sierra 1500, Yukon, Cadillac Escalade, and Pontiac GTO applications. This part cross-references Dorman OE Solutions 902-2836 and Four Seasons 15828 for the same application.

Motorad’s Kit product line focuses on application-specific cooling components built to OE specifications, making it a practical choice when replacing a worn thermostat housing on GM trucks, SUVs, and performance models. The 524KT part number appears in multiple interchange listings and is used on 1997-2009 vehicles in the fitment data.

What This Part Helps Address

• Coolant temperature that stays too low or too high
• Leaking thermostat housing seals
• Cracked or corroded housing surfaces
• Delayed thermostat response during warm-up
• Cooling system service on GM trucks, SUVs, and performance cars

Installation Notes and Tips

Fits 2004-2006 Chevrolet Silverado 1500, N/A; Fits 2004-2006 GMC Sierra 1500, N/A; Fits 2004-2006 Cadillac Escalade, N/A. Additional listed applications include 2004-2008 Chevrolet Corvette, 2005-2008 Pontiac Grand Prix, and 2006-2009 Chevrolet Impala. Verify the OE-specified 187F temperature and confirm the housing style matches the vehicle before installation.

Clean the mating surfaces thoroughly and inspect the coolant passages, inlet, and seal areas before assembly. Because bolts are not included, reuse or source the correct fasteners separately as needed for the application.

Quality Assurance

Manufactured by an OE supplier using OEM-quality materials and safety standards, this thermostat housing assembly is built to meet OE specifications and processes for the listed applications.