Use one of these: G2 Axle & Gear Hammer Rear Differential Cover - M220/Dana 44 Advantek (Gray) - PN: G/240-2152G | G2 Axle & Gear Hammer Rear Differential Cover - M220/Dana 44 (Bronze) - PN: G/240-2152BR | ARB M220 Rear Differential Cover (Red) - PN: ARB0750012 | ARB M220 Rear Differential Cover (Black) - PN: ARB0750012B | Fabtech M220 Rear Axle Differential Cover - PN: FABFTS24300