Mahle MS14803 Fuel Injection Plenum Gasket Set

Fuel Injection Plenum Gasket Set for GM Applications

Mahle MS14803 is a fuel injection plenum gasket set built to restore sealing at the intake and throttle body interface. It is an OEM Standard replacement with molded rubber plenum gasket material and the sealing components needed for common GM truck and SUV intake service.

Compatible with Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Express, GMC Savana, Chevrolet Astro, and related GM platforms from 1996-2007, this set supports precise sealing for intake-related repairs. Mahle MS14803 is a practical choice when servicing the plenum, throttle body, or fuel meter body on vehicles that rely on a stable intake seal.

Key Features

• OEM Standard fuel injection plenum gasket set
• Molded rubber plenum gasket material for consistent sealing
• Includes Fuel Meter Body Gasket and Throttle Body Gasket
• Designed for GM intake and fuel delivery service applications
• Mahle sealing products are used by OEMs and technicians worldwide
• Part number: MS14803

Detailed Description

Mahle MS14803 is engineered for vehicles that need dependable sealing at the fuel injection plenum and related intake components. The molded rubber construction helps maintain a secure seal under heat and vibration, while the included gaskets address the mating surfaces commonly serviced during intake work. This part cross-references FEL-PRO MS 95816 for the same application.

Use this gasket set on compatible Chevrolet and GMC models such as Silverado 1500, Sierra 1500, Express 1500, Savana 1500, Astro, Blazer, S10, Sonoma, and other listed GM applications. The part number MS14803 is also associated with GM 17113215 and Rol MS4605.

Common Repair Uses

• Intake plenum leaks causing rough idle
• Vacuum leaks affecting drivability and fuel trim
• Throttle body sealing issues during intake service
• Fuel meter body gasket replacement during plenum repair
• Air leakage at the intake sealing surfaces

Installation Notes and Tips

Clean all mating surfaces thoroughly before installation and inspect the intake components for warpage, carbon buildup, or damage. Follow the vehicle service procedure for torque sequence and reassembly. For optimal performance during installation of the Engine Coolant Thermostat Seal, use the included gasket from the set where noted in the fitment data.

Fits 1996-2007 Chevrolet Express 1500, N/A; Fits 1999-2007 Chevrolet Silverado 1500, N/A; Fits 2007 Chevrolet Silverado 1500 Classic, N/A; Fits 1996-2007 GMC Savana 1500, N/A; Fits 1999-2007 GMC Sierra 1500, N/A; Fits 2007 GMC Sierra 1500 Classic, N/A; Fits 1996-2005 Chevrolet Astro, N/A; Fits 1996-2005 Chevrolet Blazer, N/A; Fits 1996-2005 Chevrolet Express 2500, N/A; Fits 1996-2005 GMC Jimmy, N/A; Fits 1996-2005 GMC Safari, N/A; Fits 1996-2005 GMC Savana 2500, N/A; Fits 1996-2004 Chevrolet S10, N/A; Fits 1996-2004 GMC Sonoma, N/A; Fits 1996-2001 Oldsmobile Bravada, N/A; Fits 1997-2000 Isuzu Hombre, N/A; Fits 1996-1999 Chevrolet P30, N/A; Fits 1996-1999 GMC P3500, N/A; Fits 1996-1998 Chevrolet C1500, N/A; Fits 1996-1998 Chevrolet K1500, N/A; Fits 1996-1998 GMC C1500, N/A; Fits 1996-1998 GMC K1500, N/A.

Quality Assurance

Mahle is known for sealing products trusted by OEMs and technicians around the globe. MS14803 is built to OEM Standard specifications for consistent fit and sealing performance in service applications.