HomeExhaust > Gaskets and Sealing SystemsMahle MS12271 Exhaust Manifold Gasket Set
Part #: MS12271

Mahle MS12271 Exhaust Manifold Gasket Set

⚙️ 47 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac and Stutz, Commercial Chassis, DeVille, Fleetwood, Eldorado, Calais, Duplex, and Limousine
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Reliable Exhaust Manifold Gasket Set for Cadillac Vehicles

The Mahle MS12271 exhaust manifold gasket set is designed to provide a durable and precise seal for your Cadillac Commercial Chassis, DeVille, Eldorado, and Fleetwood models. Manufactured to OEM standards, this gasket set ensures proper exhaust system performance and helps maintain engine efficiency.

  • Composite exhaust manifold gasket material for effective sealing
  • OEM standard item grade for reliable fit and function
  • Package includes 2 gaskets for complete manifold sealing
  • Compatible with Cadillac Commercial Chassis, DeVille, Eldorado, and Fleetwood
  • Part number MS12271 for accurate identification and replacement

Durable Composite Material and OEM Standard Quality

The MS12271 gasket set features composite material engineered to withstand high temperatures and resist exhaust leaks. This material choice balances flexibility and durability, ensuring a tight seal between the exhaust manifold and cylinder head. Meeting OEM standards, the gaskets maintain factory specifications for fit and performance, reducing the risk of exhaust leaks and related engine issues.

Compatible Cadillac Models and Applications

This exhaust manifold gasket set is specifically compatible with Cadillac Commercial Chassis, DeVille, Eldorado, and Fleetwood models. Using the correct gasket set like the Mahle MS12271 helps maintain proper exhaust flow and prevents exhaust gas leaks that can affect engine performance and emissions.

Common Issues Addressed by the Exhaust Manifold Gasket Set

  • Prevents exhaust leaks causing engine noise and reduced efficiency
  • Eliminates exhaust fumes entering the cabin
  • Maintains proper backpressure for optimal engine performance
  • Reduces risk of manifold warping due to heat leaks
  • Helps avoid check engine light triggers related to exhaust leaks

Installation Notes and Tips

When installing the Mahle MS12271 gasket set, ensure the exhaust manifold and cylinder head surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed to avoid gasket damage or leaks. It is recommended to replace the gasket set during manifold removal or replacement to maintain a secure seal.

Quality Assurance and Warranty Information

Mahle manufactures the MS12271 gasket set to meet OEM standards, ensuring consistent quality and fitment. This product undergoes rigorous testing to comply with automotive industry requirements. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandMahle
Part NumberMS12271
Exhaust Manifold Gasket MaterialComposite
Item GradeOEM Standard

This part fits 47 vehicles. Search below:

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.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

MS 90509

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.