Yukon 1541H alloy replacement left hand rear axle for Dana 44’97 and newer TJ WranglerXJand MJ with a length of 29-1/4 inches and 30 splines5 x 4.5 & 5.5 bolt patterns.. 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 bolt-in axle. This axle will not work in some disc brake applicaitons. The axle flange will need to me machined or have a chamfer ground in order to fit inside some brake rotors.