Yukon 1541H alloy left hand rear axle for GM 7.625in. with a length of 35 1/2in.; 6 lugs and 28 splines (03-05 Astro van). 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.