Mahle MS12271 Exhaust Manifold Gasket Set

Brand Mahle MS12271
Exhaust Manifold Gasket Material Composite
Item Grade OEM Standard
Fits Cadillac and Stutz · 47 vehicles

OEM standard. Composite gaskets deliver dependable sealing performance.

Exhaust manifold gasket set. Provides the sealing components for exhaust service.

Trusted by OEMs. MAHLE sealing products are used by technicians worldwide.

Cross-references FEL-PRO MS 90509 and Rol MS3775 for the same application. See all 2.

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Mahle MS12271 Exhaust Manifold Gasket Set

Mahle MS12271 is an OEM-standard exhaust manifold gasket set built with composite gasket material for dependable sealing at the exhaust manifold interface. It is a practical choice for service work on classic Cadillac applications, including Cadillac Commercial Chassis, DeVille, Fleetwood, and Eldorado models from the late 1960s through the 1970s.

MAHLE gasket engineering is trusted by OEMs and technicians worldwide for consistent sealing performance. If you need a replacement exhaust manifold gasket set for Cadillac Commercial Chassis, DeVille, Fleetwood, or Eldorado service, MS12271 provides a direct-fit solution for the listed applications.

Key Features

  • Exhaust manifold gasket set for exhaust sealing service
  • Composite gasket material for stable sealing performance
  • OEM Standard item grade
  • Designed for classic Cadillac exhaust manifold applications
  • Mahle part number MS12271 for catalog and service reference

Detailed Description

Mahle MS12271 is engineered for vehicles that require a reliable exhaust manifold gasket set with OEM-standard construction. The composite material helps create a consistent seal between the exhaust manifold and mating surfaces, supporting proper exhaust system integrity on older Cadillac platforms. This part number is listed for Cadillac Commercial Chassis, Cadillac DeVille, Cadillac Fleetwood, and Cadillac Eldorado applications across the 1968-1979 model years, making it a useful service part for restoration and maintenance work. This part cross-references FEL-PRO MS 90509 for the same application.

What It Helps Address

  • Exhaust leaks at the manifold-to-cylinder head sealing surface
  • Noise caused by a failing exhaust manifold seal
  • Soot marks or odor from a leaking exhaust joint
  • Loss of sealing integrity during exhaust manifold service
  • Replacement needs on classic Cadillac exhaust repairs

Installation Notes and Tips

Inspect the exhaust manifold and cylinder head sealing surfaces before installation. Remove old gasket material, check for warpage or damage, and follow the vehicle service procedure for torque sequence and fastener tightening. Verify the application by year, make, and model before ordering MS12271.

Quality Assurance

Mahle gaskets are built to OEM-standard expectations and are backed by the brand’s reputation for sealing products used by OEMs and technicians around the world.

Compatible Vehicles

  • Fits 1968-1979 Cadillac Commercial Chassis, N/A
  • Fits 1968-1979 Cadillac DeVille, N/A
  • Fits 1968-1979 Cadillac Fleetwood, N/A
  • Fits 1968-1978 Cadillac Eldorado, N/A
This part fits 47 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1979CadillacCommercial Chassis7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1979CadillacDeVille7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1979CadillacFleetwood7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1978CadillacCommercial Chassis7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1978CadillacDeVille7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1978CadillacEldorado7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1978CadillacFleetwood7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1977CadillacCommercial Chassis7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1977CadillacDeVille7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1977CadillacEldorado7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1977CadillacFleetwood7.0LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1976CadillacCommercial Chassis8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1976CadillacDeVille8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1976CadillacEldorado8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1976CadillacFleetwood8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1975CadillacCommercial Chassis8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1975CadillacDeVille8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1975CadillacEldorado8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1975CadillacFleetwood8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1974CadillacCommercial Chassis7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1974CadillacDeVille7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1974CadillacEldorado8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1974CadillacFleetwood7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1973CadillacCommercial Chassis7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1973CadillacDeVille7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1973CadillacEldorado8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1973CadillacFleetwood7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1972CadillacCommercial Chassis7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1972CadillacDeVille7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1972CadillacEldorado8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1972CadillacFleetwood7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1971CadillacCommercial Chassis7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1971CadillacDeVille7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1971CadillacEldorado8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1971CadillacFleetwood7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1970CadillacCommercial Chassis7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1970CadillacDeVille7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1970CadillacEldorado8.2LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1970CadillacFleetwood7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1969CadillacCommercial Chassis7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1969CadillacDeVille7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1969CadillacEldorado7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1969CadillacFleetwood7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1968CadillacCommercial Chassis7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1968CadillacDeVille7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1968CadillacEldorado7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
1968CadillacFleetwood7.7LV8N/AEngine Oil Pan Gasket set includes Composite EGR Valve Gasket and Carburetor Mounting Gasket.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — MS 90509Rol — MS3775