GM 97358847 Engine Oil Cooler Seal 2001-2016 Duramax
LB7, LLY, LBZ, LMM, LML, LGH
Note: Oil Coolers in 2001-2004 trucks may be equipped with a flat metal gasket where the cooler separates. This o-ring will not replace that gasket. If your cooler has the metal gasket we recommend replacing the cooler assembly.