Motorad 5668KTFS Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Motorad 5668KTFS is an engine coolant thermostat housing assembly built for OE-style cooling system service. It combines a steel, stainless steel, copper, and rubber construction with a copper case and wax compound thermostat design for quick reaction to coolant temperature changes.

Compatible with Ford Explorer and Ford Ranger applications, this Motorad Kit line part is built to OEM specifications and processes for direct-fit cooling system repair on selected 1990-2000 Ford trucks and SUVs.

Key Features

• Engine coolant thermostat housing assembly for cooling system service
• OE supplier manufacturing with OEM quality materials and safety standards
• Copper case and wax compound for rapid temperature response
• 192 degree F thermostat temperature rating
• Black and silver finish with 3 bolt holes
• 1 outlet port with 1.52 in outlet diameter
• Flange diameter: 2.05 in; flange thickness: 0.05 in
• Jiggle pin included for air bleeding during service
• Rubber seal material with 1 seal included

Product Details

The Motorad Kit line focuses on OE-spec cooling system components built to match factory requirements. Part number 5668KTFS is engineered for Ford Explorer and Ford Ranger thermostat housing applications where stable coolant control is critical. This assembly uses a copper case and wax compound thermostat element to react quickly to coolant temperature changes, helping maintain proper engine operating temperature in demanding driving conditions. This part cross-references 95668KTFS for the same application.

Common Cooling System Issues It Can Address

• Coolant temperature that stays too low or runs outside the OE target range
• Thermostat housing wear, corrosion, or sealing surface damage
• Coolant leaks at the housing or outlet connection
• Delayed thermostat response during warm-up
• Service replacement for aging Ford Explorer and Ford Ranger cooling components

Installation Notes and Tips

• Verify engine application and OE temperature specification before installation.
• Inspect the mating surface, hose connection, and surrounding cooling system parts for wear or contamination.
• Use the correct rubber seal and confirm the jiggle pin orientation during assembly.
• Follow factory torque procedures for the 3-bolt housing pattern.
• Refill and bleed the cooling system according to vehicle service procedures after installation.

Quality Assurance

Motorad manufactures this thermostat housing assembly with OEM quality materials and OE supplier processes to meet factory-level safety and performance expectations. The design is built to withstand demanding automotive cooling systems while maintaining consistent temperature control.