Yukon 1541H alloy left hand rear axle for '99-'04 Ford 9.75 F150 and Expedition with a length of 33-1/2 inches, 1.705 bearing surface, and 34 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a C-clip. Product Features:34 spline5 lug1.705 bearing journal33.5 longFits Ford 9.75 in 1997-2004 F150 Left hand side