Stant 27273 Engine Coolant Thermostat Seal

Thermostat Seal Overview

Stant Thermostat Seal 27273 is an OE-specification engine coolant thermostat seal for a wide range of GM and Subaru applications. It is built for long-lasting operation and serves as a direct replacement for the original seal in supported vehicles.

Compatible With Buick, Chevrolet, Oldsmobile, Pontiac, GMC, and Subaru applications, this thermostat seal supports proper sealing at the thermostat housing. Part number 27273 is also referenced as a replacement for 25273 in the listed fitments.

Key Features

• OE specification construction for accurate replacement fit.
• Engine coolant thermostat seal for sealing the thermostat housing.
• Designed for long service life in cooling system use.
• Fits a broad range of Buick, Chevrolet, Oldsmobile, Pontiac, GMC, and Subaru models.
• Part number 27273 replaces 25273 in the listed applications.

Detailed Description

Stant 27273 is a thermostat seal used in cooling system service where the thermostat housing requires a proper sealing surface. The fitment covers many vehicles, including Buick LeSabre, Buick Regal, Chevrolet Impala, Pontiac Grand Prix, and other supported applications across 1980-2009 model years. For buyers searching for a thermostat seal for Buick LeSabre, Chevrolet Impala thermostat seal replacement, or Pontiac Grand Prix cooling system service, this part number 27273 provides an OE-specification option.

Stant’s Thermostat Seal line focuses on replacement sealing components for cooling system repairs. This product line is aimed at restoring the sealing interface at the thermostat housing without changing the surrounding cooling system layout.

What It Is Used For

• Replacing a worn or damaged thermostat housing seal.
• Addressing coolant seepage at the thermostat housing.
• Restoring a proper seal after thermostat service.
• Supporting cooling system maintenance on listed Buick, Chevrolet, Oldsmobile, Pontiac, GMC, and Subaru vehicles.

Installation Notes and Tips

Verify the housing style and application notes before ordering, especially where the fitment lists one-bolt housing or no one-bolt housing requirements. Confirm the part number 27273 against the vehicle’s cooling system configuration before installation.

Quality Assurance

Stant states that this seal conforms to OE specification and is engineered for long-lasting operation.