Yukon rear axle for GM 11.5in. ( 00 and newer) with a length of 35.94in. and 30 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon rear axles come with a one year warranty against manufacturing defects. Not for dually! Please verify bolt pattern on 2011/later models. This axle has a 3.562in. bolt pattern. Some late model applications use a larger bolt pattern.