aFe Power 46-70272 Dodge Ram Rear Differential Cover (Black; Pro Series) Constructed of durable die-cast A356 aluminum with reinforced ribs and wrinkle black powder-coating with machined fins Built-in external fins, magnetic drain plug and large oil level sight glass with calibration plug set to the factory fluid level Fits the Dodge/RAM 1994-2015 Corporate 12 bolt-9.25" rear differential Comes with all necessary hardware