PPE Front Diff Cover for 2011+ GM 2500HD/3500

PPE Front Differential Cover Features: * Cast from high grade aluminum alloy * 1/4" External cooling fins * 5/8" Internal heatsink * .75 additional quarts * 1/8" stainless temperature probe access plug * 17mm hex head drain plug with 1"Neodymium magnet which attracts and holds harmful ferrous metals * Retains use of original high quality gasket * Adds additional strength to gear housing