GM 12727436 L5P Duramax Head Gasket Grade C 2017-2026

This listing is for a single head gasket (Grade C). Gasket will work on the LEFT or RIGHT.

Note: New head bolts are required when head is removed to replace gaskets.

Key Specifications:

• Part Number: 12747436
• Grade: C
• Thickness: 1.24 mm to 1.36 mm
• Fitment: Fits either the Left or Right side of 2017-2026 GM 6.6L Duramax L5P diesel engines.

Replaces Older Part Numbers:

12636480, 12673828, 12676859, 12679698, and 12727486