Mahle G31388 Fuel Injection Throttle Body Mounting Gasket

Mahle G31388 Fuel Injection Throttle Body Gasket

Mahle G31388 is an OEM-standard sealing gasket for fuel injection throttle body applications. Built with graphite gasket material, it is intended to deliver a reliable seal where the throttle body or EGR tube interface must stay tight under heat and exhaust exposure.

Key Features

• OEM-standard gasket construction for service replacement use
• Graphite gasket material for high-temperature sealing performance
• Fits a wide range of Chevrolet and GMC trucks, vans, and SUVs from 1996-2007
• Direct replacement part for throttle body and EGR tube sealing applications
• Mahle sealing products are used by OEMs and technicians worldwide

Product Details

Mahle G31388 is a graphite sealing gasket used in fuel injection throttle body mounting and related EGR tube applications. It is a practical choice for maintaining a secure seal on Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, GMC Sierra 3500, Chevrolet Express 3500, GMC Savana 3500, and other listed GM applications. This part cross-references Fel-Pro 61178 for the same application. The G31388 part number is commonly searched by owners servicing GM heavy-duty trucks and vans that need an OEM-style replacement gasket.

Vehicle Fitment

• Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A - Graphite EGR Tube Gasket
• Fits 2007 Chevrolet Silverado 3500 Classic, N/A - Graphite EGR Tube Gasket
• Fits 2007 GMC Sierra 2500 HD Classic, N/A - Graphite EGR Tube Gasket
• Fits 2007 GMC Sierra 3500 Classic, N/A - Graphite EGR Tube Gasket
• Fits 2002-2006 Chevrolet Avalanche 2500, N/A - Graphite EGR Tube Gasket
• Fits 2001-2006 Chevrolet Silverado 2500 HD, N/A - Graphite EGR Tube Gasket
• Fits 2001-2006 Chevrolet Silverado 3500, N/A - Graphite EGR Tube Gasket
• Fits 2001-2006 Chevrolet Suburban 2500, N/A - Graphite EGR Tube Gasket
• Fits 2001-2006 GMC Sierra 2500 HD, N/A - Graphite EGR Tube Gasket
• Fits 2001-2006 GMC Sierra 3500, N/A - Graphite EGR Tube Gasket
• Fits 2001-2006 GMC Yukon XL 2500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2002 Chevrolet Express 3500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2002 GMC Savana 3500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2000 Chevrolet C2500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2000 Chevrolet C3500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2000 Chevrolet K2500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2000 Chevrolet K3500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2000 GMC C2500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2000 GMC C3500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2000 GMC K2500, N/A - Graphite EGR Tube Gasket
• Fits 1996-2000 GMC K3500, N/A - Graphite EGR Tube Gasket
• Fits 1996-1999 Chevrolet C2500 Suburban, N/A - Graphite EGR Tube Gasket
• Fits 1996-1999 Chevrolet K2500 Suburban, N/A - Graphite EGR Tube Gasket
• Fits 1996-1999 Chevrolet P30, N/A - Graphite EGR Tube Gasket
• Fits 1996-1999 GMC C2500 Suburban, N/A - Graphite EGR Tube Gasket
• Fits 1996-1999 GMC K2500 Suburban, N/A - Graphite EGR Tube Gasket
• Fits 1996-1999 GMC P3500, N/A - Graphite EGR Tube Gasket

Common Repair Uses

• Replacing a leaking throttle body or EGR tube gasket
• Restoring a proper seal after intake or fuel system service
• Addressing exhaust gas leakage at the gasket interface
• Correcting idle or drivability issues caused by vacuum or sealing loss
• Servicing GM trucks and vans that require an OEM-standard graphite gasket

Installation Notes

Clean both mating surfaces before installation and remove all old gasket material, carbon, and corrosion. Verify the gasket orientation against the removed part and inspect the throttle body or EGR tube flange for warpage or damage before reassembly. For best results, follow the vehicle service manual torque sequence and specifications.

Quality Assurance

Mahle sealing products are trusted by OEMs and technicians for service-grade fit and sealing performance. G31388 is built to OEM-standard expectations for the listed GM applications.