Mahle GS33405 Engine Valve Cover Grommet Set

Mahle Valve Cover Grommet Set GS33405

Mahle GS33405 is an engine valve cover grommet set made from molded rubber for dependable sealing at the valve cover. Built for service on a wide range of GM vehicles, it supports clean, secure sealing where the valve cover fasteners pass through the cover.

Mahle gaskets are used by OEMs and technicians worldwide for sealing performance, and this GS33405 application follows that same OE-style approach for common GM V6 and related engine service work.

Key Features

• Molded rubber grommet material for consistent sealing performance
• Engine valve cover grommet set for valve cover service
• Direct-fit application for select Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models
• Mahle part number GS33405 for easy identification
• Cross-reference: FEL-PRO ES 71044

Detailed Description

Mahle GS33405 is an engine valve cover grommet set designed for vehicles that use molded rubber valve cover sealing hardware. It is a practical replacement for worn, hardened, or flattened grommets that can affect valve cover sealing and fastener retention. This part is used across many GM applications, including Chevrolet Impala, Chevrolet Malibu, Pontiac Grand Prix, Buick Century, and Saturn Vue models, making it a relevant choice for common valve cover service jobs.

Compatible With 1994-2011 Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn applications listed in the fitment data, this Mahle GS33405 grommet set supports proper sealing at the valve cover interface. The molded rubber construction is selected for engine bay use where heat and age can reduce the effectiveness of original grommets.

What It Helps Address

• Oil seepage around the valve cover fastener points
• Flattened or cracked original valve cover grommets
• Loose valve cover hardware caused by worn rubber seals
• Maintenance service on leaking or disturbed valve cover assemblies
• Replacement during valve cover gasket service on GM engines

Installation Notes and Tips

Inspect the valve cover and fasteners before installation, and replace any damaged hardware that could prevent proper sealing. Clean the sealing surfaces thoroughly before installing the new molded rubber grommets. For fitment-specific service, verify the vehicle year, make, and model against the application list; for example, Fits 2000-2011 Chevrolet Impala, N/A, Fits 1997-2010 Chevrolet Malibu, N/A, and Fits 1994-2003 Pontiac Grand Prix, N/A.

Some applications include special notes in the fitment data. For 2010 Saturn Vue, follow the listed note regarding the included gasket for optimal performance during installation of the Engine Coolant Thermostat Seal.

Quality Assurance

Mahle supplies sealing products trusted by OEMs and technicians around the globe, and GS33405 is built to meet the demands of routine engine service. The part number GS33405 helps confirm the correct valve cover grommet set for the listed applications.