MAHLE Grade C Cylinder Head Gasket (1.05 Thickness) Left Side
2001-2010 GM 6.6L Duramax
This head gasket is for use on all 6.6L Duramax engines from 2001-2010. It is important to note that the head gaskets are specific to which side of the engine they are installed as well as having three different grade (thickness) possibilities. Please use the identification guide below to choose the correct head gaskets for your Duramax.
Duramax Head Gasket Identification Guide
MAHLE HEAD GASKET NUMBER | LOCATION (FIGURE 1) | GRADE (FIGURE 2) | COMPRESSED THICKNESS | OE NUMBER |
54583 54584 54585 | Left (Driver Side) | A (No Holes) B (One Hole) C (Two Holes) | 0.90 - 1.00mm 0.95 - 1.05mm 1.00 - 1.10mm | 98045058 98045059 98045060 |
54580 54581 54582 | Right (Passenger Side) | A (No Holes) B (One Hole) C (Two Holes) | 0.90 - 1.00mm 0.95 - 1.05mm 1.00 - 1.10mm | 98045055 98045056 98045057 |
Note: These gaskets should be replaced like for like. It is not recommended to install gaskets of a different thickness than what was originally equipped.