Stant 27138 Engine Coolant Thermostat Gasket

OE-Style Thermostat Gasket for Cooling Repairs

The Stant 27138 thermostat gasket is built to conform to OE specification for a precise seal at the engine coolant thermostat housing. It is engineered for long-lasting operation and is a direct-fit sealing solution for a wide range of Ford, Dodge, Jeep, Mazda, Chevrolet, GMC, and Mercury applications.

Use this gasket when servicing cooling system components on vehicles such as the Ford F-150, Ford Ranger, and Dodge Ram 1500. The Stant thermostat gasket line is focused on OE-style fit and dependable sealing performance for routine cooling system maintenance.

Key Features

• OE-spec thermostat gasket for accurate sealing
• Engineered for durable, long-term operation
• Direct replacement for part number 25138 applications
• Fits a broad range of cooling system service applications
• Stant part number 27138 for easy identification

Detailed Product Overview

Stant 27138 is an engine coolant thermostat gasket made for vehicles that require a reliable seal between the thermostat housing and mating surface. It is a practical choice for cooling system repairs on 1988-2008 applications, including Ford F-150, Ford Ranger, Mazda B3000, Dodge Dakota, Dodge Durango, and Dodge Ram 1500. This part cross-references 25138 for the same application.

By matching OE specification, this gasket helps maintain proper sealing during thermostat service and supports consistent cooling system integrity. The part number 27138 is commonly searched for thermostat gasket replacement on Ford Mustang, Ford Windstar, and Jeep Grand Cherokee applications as well.

What This Part Helps Address

• Coolant seepage at the thermostat housing
• Sealing issues after thermostat replacement
• Leaks caused by a worn or flattened gasket
• Cooling system service on OE-style thermostat assemblies
• Maintenance on Ford F-150, Ford Ranger, and Dodge Ram 1500 cooling systems

Installation Notes and Tips

Clean both sealing surfaces before installation and remove any old gasket material, corrosion, or coolant residue. Verify the thermostat housing and mating surface are flat and undamaged before installing the new gasket. Confirm vehicle fitment by year, make, and model before service; this part is listed for applications including Fits 1997-2008 Ford F-150, N/A; Fits 1991-2008 Ford Ranger, N/A; and Fits 1995-2003 Dodge Ram 1500, N/A.

Quality Assurance

Stant states that this gasket conforms to OE specification and is engineered for long-lasting operation. The brand positions this thermostat gasket line for dependable cooling system service across the listed vehicle applications.