The Yukon 1541H alloy rear axle for GM 8.6-inch applications covers 1999–2004 trucks equipped with disc brakes. Yukon’s alloy materials and heat treatment provide strength improvements over stock axles for street and light off-road use. This axle is 33.75" long with 30 splines and is intended for 2WD and 4WD disc-brake rear applications where direct-fit replacement is required.
Yukon Gear 1541H Alloy Rear Axle For GM 8.6in (99 -04 w/Disc Brake)