If you need gaskets for a Chevy or GM Truck with a Duramax® Diesel Engine… MAHLE Original has you covered.

MAHLE Original Part # 54597:

a patented stopper design featuring concentric waves around the combustion chamber (in the spring steel active layer) allowing the head gasket to adapt to varying loads and pressures.

MAHLE 54597 CYLINDER HEAD GASKET WAVE-STOPPER LEFT (GRADE C 1.05MM) 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML