CHEV BIG BLOCK 454 1PCE RMS OIL PAN GASKET 1991 - 2004 # OS32121 Oil Pan Gaskets, Original, Molded Rubber Compound, Chevy, GMC, V8, Set Gasket Material: Molded rubber compound One-Piece Gasket: No Quantity: Sold as a set. Notes: Includes the oil drain pan plug gasket. Mahle Original Oil Pan Gaskets Leaky oil pan gasket? Mahle Original offers a variety of standard and upgraded replacement gaskets to fit a wide range of vehicles. Each application-specific design is validated in fit, form, and function to meet or exceed OE specs for the vehicle make and model. When it comes to quality and dependability of sealing products, why use anything else? Mahle Original gaskets are in a league of their own! Hundreds of models are available; order the seal recommended for your oil pan.