12T 5 Lug Conversion Axle, 30-Spline

The Yukon 12T 5 Lug conversion axle is a direct-fit component designed to enhance the functionality of 1965-1969 GM 12-bolt trucks equipped with 4-wheel drive. This axle features 30 splines and measures 30 3/4 inches in length, offering a precise fit for its intended application. Constructed with a 5x5 bolt pattern and 5 lugs, this axle ensures compatibility with the corresponding wheel hubs. It is manufactured by Yukon Gear and Axle, a reputable name in drivetrain components. The product details also specify its 30-spline count and its 30 3/4" length, reiterating its specific fitment. Important technical notes indicate variations in axle seal requirements based on the vehicle's model year. Applications from 1963-1964 will utilize axle seals with a 2.535" outer diameter (OD), identified by part number YMS8477S. In contrast, the 1965-1969 applications will use axle seals with a 2.579" OD, part number YMS8835S. This distinction is crucial for ensuring proper sealing and preventing lubricant leakage after installation.