Motorad 4831KTFS Engine Coolant Thermostat Housing Assembly - Upper

OE-Style Thermostat Housing Kit

Motorad 4831KTFS is an engine coolant thermostat housing assembly kit built for Ford and Mercury cooling systems that call for a 192°F thermostat. It combines an OE-specified housing, Fail-Safe thermostat, and gasket to support stable coolant flow in demanding daily-driver and work-truck use.

Motorad’s Kit line focuses on OE-matched cooling service parts for straightforward replacement. The 4831KTFS package uses OEM-quality materials and manufacturing processes, with a copper case and wax compound for quick response to coolant temperature changes.

• Part number: 4831KTFS
• 192°F thermostat temperature for OE-specified applications
• Engine coolant thermostat housing assembly with one outlet port
• Steel, stainless steel, copper, and paper construction
• Silver finish with 2-bolt housing design
• Jiggle pin included for air bleeding during service
• Paper gasket/seal material included
• Flange diameter: 2.12 in; outlet diameter: 1.55 in

Fitment Coverage

• Fits 1981-1998 Ford F-350, N/A
• Fits 1986-1997 Ford F-250, N/A
• Fits 1969-1974 Ford F-250, N/A
• Fits 1985-1996 Ford F-150, N/A
• Fits 1975-1979 Ford F-150, N/A
• Fits 1985-1994 Ford Bronco, N/A
• Fits 1985-1994 Ford E-150 Econoline, N/A
• Fits 1985-1994 Ford E-150 Econoline Club Wagon, N/A
• Fits 1985-1994 Ford E-250 Econoline, N/A
• Fits 1988-1994 Ford E-350 Econoline, N/A
• Fits 1988-1994 Ford E-350 Econoline Club Wagon, N/A
• Fits 1988-1991 Ford E-250 Econoline Club Wagon, N/A
• Fits 1987-1991 Ford LTD Crown Victoria, N/A
• Fits 1987-1991 Mercury Colony Park, N/A
• Fits 1971-1973 Mercury Colony Park, N/A
• Fits 1979-1991 Mercury Grand Marquis, N/A
• Fits 1981-1990 Lincoln Town Car, N/A
• Fits 1988-1989 Ford F-200, N/A
• Fits 1986 Ford F-200, N/A
• Fits 1987-1988 Mercury Cougar, N/A
• Fits 1986 Ford LTD, N/A
• Fits 1979-1983 Ford LTD, N/A
• Fits 1968-1976 Ford LTD, N/A
• Fits 1984-1985 Ford LTD, N/A
• Fits 1977-1985 Ford Thunderbird, N/A
• Fits 1983-1985 Lincoln Continental, N/A
• Fits 1980 Lincoln Continental, N/A
• Fits 1984-1985 Lincoln Mark VII, N/A
• Fits 1983-1985 Mercury Cougar, N/A
• Fits 1967-1981 Mercury Cougar, N/A
• Fits 1984 Ford F-150, N/A
• Fits 1982-1983 Ford F-150, Upper
• Fits 1980-1983 Lincoln Mark VI, N/A
• Fits 1978-1982 Ford Fairmont, N/A
• Fits 1978-1982 Mercury Marquis, N/A
• Fits 1971-1973 Mercury Marquis, N/A
• Fits 1978-1982 Mercury Zephyr, N/A
• Fits 1980 Ford F-350, Upper
• Fits 1977-1980 Lincoln Versailles, N/A
• Fits 1975-1980 Mercury Monarch, N/A
• Fits 1968-1976 Mercury Montego, N/A
• Fits 1968-1973 Ford Mustang, N/A
• Fits 1963-1967 Mercury Villager, N/A

What This Part Helps Address

• Coolant temperature control issues caused by a worn thermostat
• Leaking or warped thermostat housing surfaces
• Slow thermostat response during warm-up or temperature swings
• Service repairs on Ford and Mercury cooling systems with a 192°F specification
• Replacement needs for vehicles using an OE-style housing and gasket setup

Installation Notes

Verify the flange diameter, outlet diameter, bolt-hole count, and position before installation. This assembly uses a paper gasket/seal and includes a jiggle pin; clean the mating surfaces thoroughly and follow the vehicle’s cooling-system service procedure when refilling and bleeding air. This part cross-references Motorad 94831KTFS for the same application.

Quality Assurance

Motorad manufactures this thermostat housing assembly to OEM specifications and processes using OE-supplier quality materials and safety standards. The copper case and wax compound are engineered for quick reaction to coolant temperature changes, supporting consistent operation in demanding cooling-system service.