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The GM 12705094 Exhaust Manifold Gasket is a genuine GM part designed specifically for Duramax Diesel L5P-equipped trucks and vans. This gasket is essential for maintaining a tight seal between the exhaust manifold and the cylinder head, preventing exhaust leaks and ensuring optimal engine performance.
- 5-Layer MLS Gasket for superior sealing
- Built-in OE Heat Shield for durability and protection
- Fits both Driver and Passenger Side applications
This gasket is compatible with all 2017-2024 model year Duramax L5P engines. Please note that two gaskets are required per engine.

The GM 12705094 Exhaust Manifold Gasket is a genuine GM part designed specifically for Duramax Diesel L5P-equipped trucks and vans. This gasket is essential for maintaining a tight seal between the exhaust manifold and the cylinder head, preventing exhaust leaks and ensuring optimal engine performance.
- 5-Layer MLS Gasket for superior sealing
- Built-in OE Heat Shield for durability and protection
- Fits both Driver and Passenger Side applications
This gasket is compatible with all 2017-2024 model year Duramax L5P engines. Please note that two gaskets are required per engine.