1541H Alloy Rear Axle, 30 Spline, 6 Lug

The Yukon 1541H alloy rear axle is a direct replacement component for GM 12-bolt trucks, offering enhanced strength and reliability. Constructed from 1541H alloy, this axle provides a significant upgrade over stock components while maintaining a cost-effective solution for drivetrain repairs and upgrades. Key specifications include a 30-spline count, a 6-lug configuration, and a length of 30 3/4 inches. This axle is engineered for specific applications, fitting 1965-1969 GM 12 bolt trucks equipped with 4-wheel drive. Technical notes indicate specific axle seal requirements based on the application year: '63-'64 models use YMS8477S seals with a 2.535" OD, while '65-'69 models require YMS8835S seals with a 2.579" OD. Additionally, for '63-'64 applications, a 30-spline carrier is necessary when upgrading from 17-spline stock axles. This axle is compatible with various Chevrolet and GMC models from 1963 to 1969, including the Chevrolet C10 Pickup, Chevrolet K10 Pickup, GMC C15/C1500 Pickup, and GMC K15/K1500 Pickup, featuring a 6x5.5" bolt pattern.