Mahle C31274 Engine Coolant Water Bypass Gasket

Mahle C31274 Engine Coolant Water Bypass Gasket

The Mahle C31274 engine coolant water bypass gasket is an OEM-standard sealing solution for cooling system service. Built with paper gasket material, it provides a precise sealing surface for select GM applications where reliable coolant control is critical.

Mahle is known for gasket products used by OEMs and professional technicians, and this part follows that same OE-style approach for service accuracy. It is a direct replacement choice for vehicles such as the Buick LeSabre, Chevrolet Impala, and Pontiac Grand Prix when the original bypass gasket needs replacement.

Key Features

• Paper gasket material for a traditional OE-style seal
• OEM Standard item grade for service replacement use
• Engine coolant water bypass gasket for cooling system sealing
• Mahle C31274 replacement part for select GM vehicles
• Cross-reference: FEL-PRO 36021

Detailed Description

Mahle C31274 is an engine coolant water bypass gasket made to match OEM-standard expectations for fit and sealing performance. It is used in cooling system service where the bypass passage must remain properly sealed to maintain coolant routing and reduce the risk of leaks. This part is listed for a wide range of GM cars, including 1995-2005 Buick Park Avenue, 2000-2005 Chevrolet Impala, and 1997-2008 Pontiac Grand Prix applications.

This part also cross-references General Motors 24505049 for the same application. If you are servicing a Buick Regal, Chevrolet Monte Carlo, or Pontiac Bonneville, the Mahle C31274 gasket is a direct replacement option to match the original sealing profile.

What It Helps Address

• Coolant seepage at the water bypass sealing surface
• Loss of sealing integrity during cooling system repair
• Replacement of a worn or damaged bypass gasket
• Service needs on GM engines using a paper gasket design
• Fitment-specific repair for Buick, Chevrolet, Pontiac, and Oldsmobile models

Installation Notes and Tips

Clean both mating surfaces thoroughly before installation and remove all old gasket material, coolant residue, and debris. Verify the engine application against the vehicle listing before ordering, since this part is not compatible with paper engine oil pan gasket applications. Confirm the correct fit for your specific Buick LeSabre, Chevrolet Impala, or Pontiac Grand Prix before assembly.

Quality Assurance

Mahle gaskets are used by OEMs and technicians worldwide, and the C31274 is built to OEM Standard specifications for service replacement confidence. The paper gasket construction supports accurate sealing in the intended coolant bypass application.