Motorad 4993KTFS Engine Coolant Thermostat Housing Assembly

Engine Cooling Control for OE-Style Fitment

The Motorad 4993KTFS engine coolant thermostat housing assembly is built for drivers servicing GM trucks, vans, and SUVs that need accurate coolant temperature control. It combines an OE-specified 192°F thermostat with a housing engineered to match factory cooling-system requirements.

Motorad’s Kit line focuses on complete thermostat housing solutions for repair work that demands consistent temperature response and dependable sealing surfaces. The 4993KTFS uses OEM-quality materials and OE-supplier manufacturing processes for a direct-fit cooling system service part.

Key Features

• Engine coolant thermostat housing assembly with OE-specified 192°F temperature rating
• Fail-safe thermostat design for controlled coolant flow
• Copper case and wax compound for quick response to coolant temperature changes
• Steel, stainless steel, copper, rubber, and paper construction for durability
• 2-bolt flange design with 1 outlet port
• Black and silver finish
• Rubber seal material with 1 seal included
• Motorad part number 4993KTFS

Detailed Description

This thermostat housing assembly is built for GM applications that require a 195°F OE-specified operating range, including Chevrolet Astro, Chevrolet S10, GMC Safari, GMC Sonoma, and related C/K-series trucks and vans. The housing is manufactured to OEM specifications and processes, with a copper thermostat case and wax compound that reacts quickly to coolant temperature changes for stable engine warm-up and temperature regulation. This part cross-references 94993KTFS for the same application.

As a Motorad Kit product, 4993KTFS is aimed at replacing worn or leaking thermostat housing components with a factory-style solution for Chevrolet and GMC cooling systems. It is a direct service part for vehicles such as Chevrolet C1500, GMC K2500, and Chevrolet S10 Blazer where precise coolant control matters.

What This Part Helps Address

• Coolant temperature that runs too cool or too warm
• Thermostat housing leaks at the flange or seal surface
• Delayed engine warm-up after thermostat wear
• Unstable temperature control in demanding cooling systems
• Service replacement for OE-style GM thermostat housing assemblies

Installation Notes and Tips

Verify the 2-bolt housing pattern, 1.26 in outlet diameter, and 2.13 in flange diameter before installation. This assembly does not include a gasket or seal, and bolts are not included, so confirm the required sealing components and fasteners for your application. Clean the mating surfaces thoroughly and inspect the cooling system for contamination or corrosion before reassembly.

Compatible With 1985-1996 Chevrolet G30, 1988-1995 Chevrolet C1500, 1988-1995 Chevrolet C2500, 1985-1995 Chevrolet G10, 1985-1995 Chevrolet G20, 1988-1995 Chevrolet K1500, 1988-1995 Chevrolet K2500, 1990-1995 Chevrolet P30, 1988-1995 Chevrolet S10, 1988-1994 Chevrolet S10 Blazer, 1985-1994 Chevrolet Astro, 1987-1988 Chevrolet R20, 1987-1988 Chevrolet R30, 1987-1988 Chevrolet V30, 1987 Chevrolet R10, 1987 Chevrolet V10, 1987 Chevrolet V20, 1985-1986 Chevrolet C10, 1985-1986 Chevrolet C20, 1986 Chevrolet C30, 1985-1986 Chevrolet K10, 1985-1986 Chevrolet K20, 1986 Chevrolet K30, 1988-1995 GMC C1500, 1985-1986 GMC C1500, 1988-1995 GMC C2500, 1985-1986 GMC C2500, 1985-1995 GMC G1500, 1985-1995 GMC G2500, 1985-1995 GMC G3500, 1988-1995 GMC K1500, 1985-1986 GMC K1500, 1988-1995 GMC K2500, 1985 GMC K2500, 1990-1995 GMC P3500, 1991-1995 GMC Sonoma, 1985-1994 GMC Safari, 1992-1994 GMC Jimmy, 1988-1991 GMC S15 Jimmy, 1988-1990 GMC S15, 1987-1988 GMC R1500, 1987-1988 GMC R2500, 1987 GMC V1500, 1991 Oldsmobile Bravada, and 1986 GMC C3500.

Quality Assurance

Motorad states this part is manufactured with OEM-quality materials and safety standards by an OE supplier, using OEM specifications and processes for consistent fit and function in automotive cooling systems.