Mahle MS15958 Engine Intake Manifold Gasket Set

Engine Intake Manifold Gasket Set for GM V8 Applications

Mahle MS15958 is an OEM-standard engine intake manifold gasket set built with beaded steel gasket material for reliable sealing on select GM vehicles. It includes manifold end seals and RTV sealant, giving you the core sealing components needed for intake service on compatible Buick, Chevrolet, Oldsmobile, and Pontiac applications.

Key Features

• Beaded steel intake manifold gasket material for consistent sealing performance
• OEM Standard Part grade for service replacement use
• Includes manifold end seals and RTV sealant
• Plenum gasket not included
• Mahle sealing products are used by OEMs and technicians worldwide

Application Details

This Mahle intake manifold gasket set, part number MS15958, is listed for a wide range of 1979-1989 GM vehicles. It covers intake manifold sealing and EGR valve gasket service on applications such as Fits 1979-1984 Buick LeSabre, Beaded Steel; Except Aluminum Manifold, Fits 1979-1984 Chevrolet Caprice, Beaded Steel; Except Aluminum Manifold, and Fits 1979-1984 Pontiac Grand Prix, Beaded Steel; Except Aluminum Manifold. It also applies to EGR valve gasket service on vehicles including Fits 1989 Pontiac Firebird, N/A, Fits 1984-1988 Buick Century, N/A, and Fits 1987-1988 Oldsmobile Cutlass Cruiser, N/A. This part cross-references FEL-PRO MS 96033 for the same application.

What It Helps Address

• Intake manifold vacuum leaks
• Coolant or oil seepage at the manifold sealing surfaces
• Rough idle caused by intake sealing failure
• EGR gasket sealing service on listed applications
• Loss of engine performance from deteriorated gasket material

Installation Notes and Tips

Clean the mating surfaces thoroughly before installation and inspect the intake manifold and cylinder head surfaces for warpage or damage. Use the included RTV sealant where specified by the service procedure, and follow the vehicle manufacturer’s torque sequence and torque values during reassembly. Verify whether the application uses the beaded steel intake gasket or an EGR valve gasket configuration before ordering.

Quality Assurance

Mahle gaskets are engineered as OEM-standard sealing components and are trusted in professional engine service. MS15958 is built to meet the demands of intake manifold sealing on listed Buick, Chevrolet, Oldsmobile, and Pontiac applications.