Stant 27271 Engine Coolant Thermostat Seal

OE-Style Thermostat Seal for Cooling System Service

The Stant 27271 thermostat seal is built for engine coolant thermostat service where a precise seal matters. It conforms to OE specification and is engineered for long-lasting operation, making it a direct choice for cooling system repairs on a wide range of Ford, Audi, BMW, Volkswagen, Mercedes-Benz, and other applications.

For vehicles such as the Ford Ranger, Ford Explorer, and Ford Mustang, this thermostat seal helps restore a proper coolant seal at the thermostat housing. Stant 27271 is also used across many import applications, including Audi A4 Quattro, BMW 3 Series, and Volkswagen Passat fitments.

Key Features

• Engine coolant thermostat seal for cooling system maintenance
• Conforms to OE specification for proper fit and sealing performance
• Built for long-lasting operation in demanding engine environments
• Fits a broad range of domestic and import vehicles
• Stant Thermostat Seal line for thermostat housing sealing service

Detailed Description

Stant 27271 is an OE-style engine coolant thermostat seal used to maintain a secure seal between the thermostat and housing. The BrandLine Thermostat Seal identifies this part as part of Stant’s sealing-focused thermostat service line, built for applications where accurate sealing is critical to cooling system performance. This part number is commonly searched as Stant 27271 thermostat seal and 27271 thermostat seal for replacement service.

Compatible With applications include Fits 2001-2011 Ford Ranger, N/A; Fits 1997-2010 Ford Explorer, N/A; Fits 2004-2007 Volkswagen Touareg, N/A; Fits 1996-2001 Audi A4, N/A; and Fits 1997-2000 BMW Z3, N/A. This part cross-references 25271 for the same application.

What It Helps Address

• Coolant seepage at the thermostat housing
• Loss of sealing integrity during thermostat replacement
• Maintenance on aging cooling system components
• Service on OE-style thermostat assemblies
• Replacement needs on high-mileage Ford, Audi, BMW, and Volkswagen vehicles

Installation Notes and Tips

Inspect the thermostat housing and mating surfaces before installation. Clean away old gasket material, coolant residue, and corrosion so the seal seats evenly. Verify the thermostat and housing match the vehicle application before assembly, and follow the manufacturer’s cooling system service procedure for the specific engine.

Quality Assurance

Stant states that this seal conforms to OE specification and is engineered for long-lasting operation. The part is intended for direct thermostat sealing service across the listed vehicle applications.