Mahle MS15921X Engine Intake Manifold Gasket Set

Engine Intake Manifold Gasket Set for Buick V8 Applications

The Mahle MS15921X engine intake manifold gasket set is built for Buick applications that require a precise seal at the intake manifold. It uses beaded steel gasket material and includes intake manifold end seals and RTV for a complete sealing solution. This OEM standard part is a direct choice for restoring intake sealing performance on select Buick LeSabre, Riviera, and Skylark models.

Key Features

• Mahle MS15921X intake manifold gasket set for engine sealing service
• Beaded steel intake manifold gasket material for stable sealing performance
• Includes intake manifold gasket, intake manifold end seals, and RTV
• OEM standard part for service and repair work
• Fits select 1967-1971 Buick LeSabre, Riviera, and Skylark applications

Detailed Description

Mahle designs sealing products used by OEMs and technicians worldwide, and the MS15921X follows that OE-focused approach for intake manifold service. This gasket set is intended for Buick engines with valley pan design and beaded steel sealing requirements, including 1967-1971 Buick Riviera, 1967-1968 Buick Skylark, 1970-1971 Buick LeSabre, and 1970-1971 Buick Skylark. If you are searching for a Buick Riviera intake manifold gasket set or a Buick Skylark intake manifold gasket replacement, MS15921X provides the correct sealing components for the application.

This part cross-references FEL-PRO MS 96005 and General Motors 1394705 for the same application.

What It Helps Address

• Intake manifold vacuum leaks
• Coolant seepage at the intake sealing surfaces
• Rough idle caused by intake gasket failure
• Loss of engine performance from poor manifold sealing
• Oil or RTV seepage around the intake manifold ends

Installation Notes and Tips

Clean the mating surfaces thoroughly before installation and verify the manifold and cylinder head surfaces are free of old gasket material, oil, and coolant residue. Follow the vehicle service procedure for RTV placement and end seal installation, especially on valley pan design engines. Confirm fitment by year, make, model, and engine configuration before ordering the Mahle MS15921X.

Quality Assurance

Mahle sealing products are trusted in OEM and professional repair environments, and this intake manifold gasket set is built to OEM standard specifications for service reliability.