Dorman 946-278 Rear 1-Piece Aluminum Driveshaft Assembly Pre-Balanced OE Replacement

The Dorman 946-278 is a complete, 1-piece rear aluminum driveshaft assembly engineered as a direct OE replacement. Built to original equipment dimensions and specifications, this shaft installs without modifications for a precise, dependable fit right out of the box.

Constructed from lightweight aluminum, this driveshaft measures 59.58 inches in length and 4.00 inches in diameter, matching factory dimensions for consistent performance. All components — including yokes, tubes, and universal joints — are 100% new, so there is no core charge and no return hassle.

Key Features:

• Pre-Balanced: Arrives dynamically balanced and ready to install, eliminating vibration and reducing installation time
• 1-Piece Aluminum Construction: Lightweight aluminum tube reduces rotating mass compared to steel equivalents
• 100% New Components: Includes all-new yokes, tubes, and universal joints — not remanufactured
• Serviceable Design: Non-staked universal joints allow future U-joint replacement without shaft disposal
• Direct-Fit Replacement: Engineered to OE dimensions with stock connection points for a bolt-in installation
• Yokes Included: Both differential and transmission yokes/flanges are included in the assembly

Part of Dorman's OE Solutions lineup, the 946-278 driveshaft is designed for repair professionals and vehicle owners who need a reliable, hassle-free replacement that restores factory driveline performance.