The GM 12637785 Head Gasket is a direct replacement for your 2001-2016 GM 6.6L Duramax. This gasket features the same high quality construction as the original gasket on your engine. Grade C 1.05mm Left.
- Left Side
- Sold Individually
- Grade C (1.05 mm)
Note: This gasket supersedes GM Part# 98045060.