The SPICER 38.976" involute 41 spline drive axle shaft for Freightliner and Peterbilt is engineered to withstand high-stress environments, promoting increased longevity. This drive axle shaft demonstrates perfect compatibility with Freightliner and Peterbilt models, ensuring reliable performance. Its involute design optimizes load distribution. Additionally, the enhanced surface finish reduces friction, contributing to extended axle life. A corrosion-resistant coating protects the shaft against rust, making it suitable for harsh conditions.