Motorad 4909KT Engine Coolant Thermostat Housing Assembly

OE-Style Thermostat Housing Kit

The Motorad 4909KT engine coolant thermostat housing assembly is built for Chrysler, Dodge, and Plymouth applications that call for a 195°F OE-specified temperature. This kit includes the housing, thermostat, and gasket, making it a direct-fit cooling system service part for classic Dodge truck and car platforms.

Motorad Kit line parts are built to OE specifications and processes, using OEM-quality materials and safety standards from an OE supplier. The copper case and wax compound are engineered for quick reaction to coolant temperature changes, while the offset design, air relief valve, and OEM-style seals help support proper cooling system operation where applicable.

Key Features

• Engine coolant thermostat housing assembly with thermostat and gasket included
• OE-specified 195°F temperature rating for listed applications
• Manufactured to OEM specifications and processes
• Copper case and wax compound for responsive temperature control
• Offset design and air relief valve included where applicable
• Black, silver finish with steel, stainless steel, copper, and paper materials
• Two bolt-hole housing design

Detailed Description

Motorad 4909KT is a thermostat housing assembly designed for older Chrysler, Dodge, and Plymouth cooling systems that require a 195°F thermostat. It is a practical OE-style replacement for vehicles such as Dodge D150, Dodge W150, Dodge Dakota, Chrysler Fifth Avenue, and Plymouth PB250, where accurate coolant temperature control is important for stable engine operation. This part cross-references 94909KT and NI for the same application.

The Motorad 4909KT part number is a fitment-focused solution for drivers servicing original-style cooling layouts on Dodge B-series vans, Ramcharger, Aspen, and related platforms. The housing uses OEM-style sealing surfaces and materials selected to match the demands of factory cooling system designs.

Common Problems This Part Can Help Address

• Coolant temperature that stays too low or runs outside the OE target range
• Leaking thermostat housing or degraded gasket sealing
• Delayed thermostat response during warm-up
• Cooling system service on aging Dodge, Chrysler, and Plymouth engines
• Fitment issues caused by worn or incorrect replacement housings

Installation Notes and Tips

• Verify the engine’s OE-specified 195°F thermostat requirement before installation.
• Inspect the mating surface and coolant passages for corrosion or old gasket material.
• Use the included gasket or seal as specified for the application.
• Confirm bolt-hole alignment and housing orientation before tightening.
• Refill and bleed the cooling system according to factory service procedures to remove trapped air.

Quality Assurance

Motorad manufactures this Kit line thermostat housing assembly with OEM-quality materials and OE-supplier standards. The 4909KT is built to OE specifications for the listed Chrysler, Dodge, and Plymouth applications, supporting consistent fit and temperature control in demanding cooling systems.