Mahle C32203 Engine Coolant Water Bypass Gasket

Engine Coolant Water Bypass Gasket for GM V6 Cooling Systems

The Mahle C32203 engine coolant water bypass gasket is an OEM-standard sealing component made from molded rubber for dependable coolant sealing at the bypass connection. It is built for left side of engine applications on select Buick, Chevrolet, Pontiac, and Saturn vehicles, including the Chevrolet Impala and Malibu.

Key Features

• Molded rubber gasket material for a precise sealing surface
• OEM Standard item grade for factory-style fit and function
• Engine coolant water bypass gasket for cooling system service
• Mahle sealing product trusted by OEMs and technicians
• Direct replacement reference: C32203

Detailed Description

Mahle C32203 is an engine coolant water bypass gasket engineered for sealing the coolant bypass passage on the left side of the engine. The molded rubber construction helps maintain a consistent seal at the connection point, which is important in cooling system repairs where coolant control and leak prevention matter. This gasket is a practical choice for service work on vehicles such as the Chevrolet Impala, Chevrolet Malibu, Buick Lucerne, Pontiac G6, and Saturn Vue.

This part cross-references FEL-PRO 35815 and General Motors 12623852 for the same application. Use C32203 when replacing a worn or leaking bypass gasket on compatible GM platforms that require an OEM-standard molded rubber seal.

What It Helps Fix

• Coolant seepage at the water bypass sealing point
• Visible coolant leaks on the left side of the engine
• Loss of sealing integrity from aged or flattened rubber
• Cooling system service issues after gasket removal
• Fitment-related replacement needs on GM V6 applications

Installation Notes and Tips

• Fits 2009-2011 Buick Lucerne, left side of engine.
• Fits 2006-2011 Chevrolet Impala, left side of engine.
• Fits 2006-2010 Chevrolet Malibu, left side of engine.
• Fits 2006-2010 Pontiac G6, left side of engine.
• Fits 2008-2009 Saturn Vue, left side of engine.
• Fits 2006-2008 Chevrolet Uplander, left side of engine.
• Fits 2007-2008 Saturn Aura, left side of engine.
• Fits 2006-2007 Buick Terraza, left side of engine.
• Fits 2006-2007 Chevrolet Monte Carlo, left side of engine.
• Fits 2006-2007 Saturn Relay, left side of engine.
• Fits 2006 Pontiac Montana, left side of engine.

Confirm the original gasket shape and sealing surface before installation. Clean the mating surfaces thoroughly and inspect the bypass housing for corrosion, pitting, or distortion that could affect sealing.

Quality Assurance

Mahle gaskets are built as OEM-standard sealing products for service applications where accurate fit and reliable sealing are required. The C32203 follows the brand’s focus on factory-style sealing performance for cooling system repairs.