aFe Power 46-70042 Dodge Diesel Front Differential Cover (Machined; Pro Series) Has about a 3-1/2 quart lube capacity at the factory line, factory cover holds about 2-1/2 quarts Constructed out of durable A380 die-cast aluminum with reinforced ribs and wrinkle black powder-coated finish with machined fins Built-in external fins, deep reach magnetic drain plug and large oil level sight glass with calibration plug set to the factory fluid level Fits AAM 9.25-14 Bolt Axles Uses Dodge Gasket P/N: 5086682AA not included. Gasket is available as aFe P/N:46-70045