Motorad 4818KT Engine Coolant Thermostat Housing Assembly

OE-Style Thermostat Housing Kit

The Motorad 4818KT engine coolant thermostat housing assembly is built for Ford and Mercury cooling systems that require a 195F thermostat setting. This kit is a direct-fit solution for classic applications such as Ford F-100, F-250, F-350, Mustang, and Thunderbird models, with housing, thermostat, and gasket included for the listed applications.

Motorad Kit line products are positioned as OE-style replacement parts, using OEM specifications and manufacturing processes to match the original cooling system layout. The 4818KT thermostat housing assembly uses a copper case and wax compound for quick response to coolant temperature changes, along with an offset design, air relief valve, and OEM-style seals where applicable.

Key Features

• Engine coolant thermostat housing assembly for classic Ford and Mercury applications
• 195F OE-specified thermostat temperature for listed vehicles
• Includes housing, thermostat, and gasket for the applications shown
• Offset design with air relief valve for cooling system serviceability
• OEM-style seals included where applicable
• Steel, stainless steel, copper, and paper construction with silver finish
• 2 bolt hole design

Fitment Details

• Fits 1968-1976 Ford F-100, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1975-1976 Ford F-150, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1968-1976 Ford F-250, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1968-1976 Ford F-350, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1969-1971 Ford E-100 Econoline, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1965-1971 Ford LTD, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1970 Mercury Cougar, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1967 Mercury Cougar, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1968-1969 Ford Mustang, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1968 Ford Thunderbird, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1968 Mercury Marquis, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit
• Fits 1967 Ford Thunderbird, N/A; Temperature 195F; Includes housing, thermostat and gasket; with 2.125in Diameter Outlet; OE Specified Temperature; Kit
• Fits 1967 Mercury Colony Park, N/A; Temperature 195F; Includes housing, thermostat and gasket; OE Specified Temperature; Kit

Common Cooling System Issues Addressed

• Leaking thermostat housing at the coolant outlet
• Incorrect thermostat temperature control in Ford and Mercury engines
• Corrosion or wear in the original housing assembly
• Coolant seepage at the gasket sealing surface
• Temperature fluctuation caused by a worn thermostat mechanism

Installation Notes

Verify the outlet style, bolt pattern, and application notes before installation. This Motorad 4818KT kit uses a 2-bolt housing design and includes a gasket; bolts are not included. For the 1967 Ford Thunderbird application, confirm the 2.125-inch diameter outlet note before ordering or installing. Clean the mating surfaces thoroughly and follow the vehicle service procedure for coolant refill and air bleeding.

Quality Assurance

Motorad manufactures this Kit line thermostat housing assembly using OEM-quality materials and OE-supplier standards. The copper case and wax compound are selected for responsive temperature control, and the part is produced to OEM specifications and processes for the listed Ford and Mercury applications. Cross-reference part numbers include 94818KT and NI.