2007-2018 Jeep Wrangler Dana-44 Cast Nodular Iron Rear Differential Cover Black (238053120)Description This innovative cover is made from cast, high strength nodular iron for maximum protection. Designed with transverse gussets that add strength and rigidity to the housing to handle the high torsion. Engineered to optimize approach and departure angles. The cover has been engineered so the provided hardware is recessed into the flange, keeping them out of harm's way. This brand new cover has both high and low oil check ports to accommodate