Dorman 946-640 Rear Steel Driveshaft Assembly Pre-Balanced OE Replacement - 1-Piece

The Dorman 946-640 is a complete rear 1-piece steel driveshaft assembly engineered as a direct OE replacement. Built entirely from 100% new components — including yokes, tube, constant velocity (CV) joint, and universal joints — this assembly arrives pre-balanced and ready to install with no core charge or return hassle.

Key Features:

• Direct OE Replacement: Manufactured to original equipment dimensions for dependable fit and performance
• 100% New Construction: All-new yokes, tube, CV joint, and U-joints — not remanufactured
• Pre-Balanced: Factory-balanced at the point of assembly for smooth, vibration-free operation right out of the box
• Serviceable U-Joints: Features non-staked, greaseable universal joints designed for future maintenance and serviceability
• Slip Yoke Included: Complete assembly includes slip yoke for a full bolt-in replacement
• Shaft Diameter: 3.500 in. with 0.083 in. wall thickness for heavy-duty durability
• Overall Length: 55.780 in.
• OEM Cross-Reference: Replaces Ford OEM part numbers BC3Z4602AF and BC3Z4602L
• Made in USA

This rear driveshaft assembly is ideal for restoring factory drivetrain performance on applicable Ford F-350 Super Duty trucks. Dorman's OE Solutions design ensures a hassle-free installation that gets your vehicle back on the road quickly and reliably.