General Motors 12601371, Engine Oil Cooler Gasket Genuine Oem:Yes, Category 2:Engine, Superseded Part Number:12581508, Item Name:Engine Crankshaft Seal, Category 1:Engine Brand:GM, Fitment Type:Direct Replacement, Other Part Number:12581508, Part Ref# On Diagram:ONLY PART REFERENCE #2 ON THE DIAGRAM IS Manufacturer Part Number:12601371, Category 3:Engine Parts, Alternate Item Name:Engine Crankshaft Seal, Quantity Needed:1