Yukon 1541H alloy left hand rear axle for 99-04 Ford 9.75in. F150 and Expedition with a length of 33-1/2 in.es; 1.705in. 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.