Gasket - Part# 22943110 Genuine Oem:Yes, Category 2:Rear Suspension, Item Name:Cover Gasket, Category 1:Rear Suspension Brand:GM, Fitment Type:Direct Replacement, Part Ref# On Diagram:ONLY PART REFERENCE #3 ON THE DIAGRAM IS Manufacturer Part Number:22943110, Category 3:Axle Housing, Quantity Needed:1