Stant 27272 Engine Coolant Thermostat Seal

Thermostat Seal Overview

Stant Thermostat Seal 27272 is an OE-specification engine coolant thermostat seal for a wide range of GM, Suzuki, Isuzu, and related applications. It is built for direct replacement use where a thermostat seal is needed to maintain a proper coolant seal at the thermostat housing.

Compatible With applications such as Chevrolet Impala, Chevrolet Malibu, and Pontiac Grand Prix, this seal supports service work on many passenger cars, vans, and trucks. Part number 27272 is also referenced as a direct replacement for OEM part number 25272 in the listed applications.

Key Features

• OE specification construction for factory-style fit and sealing performance
• Engine coolant thermostat seal for cooling system service
• Direct replacement design for the listed applications
• Stant Thermostat Seal product line for thermostat sealing applications
• Part number 27272 for easy identification

Detailed Description

Stant 27272 is an engine coolant thermostat seal intended for vehicles that use a thermostat housing seal in the cooling system. The part is engineered to conform to OE specification and provide long-lasting operation in service. It is a practical replacement choice for many Chevrolet, Buick, Pontiac, GMC, Saturn, and other listed models, including Chevrolet Impala and Chevrolet Malibu applications. If you are replacing a worn thermostat seal during cooling system maintenance, part number 27272 offers a direct-fit solution for the cataloged vehicles.

This part cross-references OEM part number 25272 for the same application.

What It Helps Address

• Coolant seepage at the thermostat housing
• Seal deterioration from age and heat cycling
• Cooling system service after thermostat replacement
• Loss of sealing integrity in the thermostat joint
• Fitment issues when an OE-style seal is required

Installation Notes and Tips

Verify the thermostat housing and sealing surfaces are clean before installation. Match the replacement seal to the listed application by year, make, and model, and confirm the original part number when available. Use the fitment notes to check the exact vehicle listing before service. Part number 27272 is cataloged for direct replacement use across the specified applications.

Quality Assurance

Stant states that this thermostat seal conforms to OE specification and is engineered for long-lasting operation. The Thermostat Seal line is focused on thermostat sealing applications, and part number 27272 is listed as a direct replacement for the vehicles shown in the fitment data.