Mahle GS33431 Engine Oil Manifold Gasket

Engine Oil Manifold Gasket for GM V8 Applications

The Mahle GS33431 is an OEM-standard steel engine oil manifold gasket built for sealing performance in demanding GM applications. It is used on a wide range of Cadillac, Buick, Pontiac, and Oldsmobile vehicles, including Cadillac DeVille, Seville, Eldorado, and Buick Lucerne models.

Key Features

• Steel gasket material for stable sealing performance
• OEM Standard item grade for factory-style fit and function
• Mahle sealing technology trusted by OEMs and technicians
• Direct replacement application for select GM engines
• Part number GS33431 for accurate ordering and lookup

Detailed Description

Mahle GS33431 is an engine oil manifold gasket engineered to meet OEM-standard expectations for sealing integrity in GM engine service. The steel construction supports consistent contact at the oil pan bed plate interface, helping maintain a secure seal in applications such as 2006-2011 Buick Lucerne, 2006-2011 Cadillac DTS, 2004-2006 Cadillac SRX, 2005-2006 Cadillac STS, and 2004-2006 Cadillac XLR. It also applies to 1994-2005 Cadillac DeVille, 1993-2004 Cadillac Seville, 1993-2002 Cadillac Eldorado, 2001-2003 and 1995-1999 Oldsmobile Aurora, 2004-2005 Pontiac Bonneville, and 1993 Cadillac Allante. This part cross-references General Motors 12581822 for the same application.

What It Helps Address

• Oil seepage at the oil pan bed plate sealing surface
• Loss of seal integrity from aged or flattened gasket material
• Service issues during engine oil manifold or bed plate repair
• Leak-related contamination around the lower engine assembly
• Repeat repairs caused by worn factory sealing components

Installation Notes and Tips

Confirm the engine application by year, make, and model before installation. Clean the mating surfaces thoroughly and inspect the bed plate and surrounding components for damage or warpage. Follow the vehicle service procedure for torque sequence and seal surface preparation to help achieve a proper seal with the Mahle GS33431 gasket.

Quality Assurance

Mahle supplies sealing products used by OEMs and professional technicians worldwide. GS33431 is built to OEM-standard expectations and uses steel gasket material for dependable service in the listed GM applications.