NEAPCO Driveshaft End Yoke Part No: N170-4-721-1X

$220.38

The N170-4-721-1X Driveshaft End Yoke from Neapco (sold by Wofford Truck Parts) is a precision differential end yoke engineered for SPL170HR series drivetrains. It features a 2.390-inch spline (46 teeth), 3.250-inch hub diameter, 25° joint angle, and a centerline U-joint to hub length of 5.094 inches. Built to meet or exceed OE tolerances, it ensures alignment, balance, and smooth operation under heavy duty loads.

Specifications

The Neapco N170-4-721-1X Driveshaft End Yoke is a heavy-duty differential end yoke designed for SPL170HR series drivelines. This yoke is manufactured to OE standards and finds use in many commercial / heavy truck rear driveline applications. Key specifications include:

Spline size: 2.390 in (46 teeth)

Hub diameter: 3.250 in

Length thru hole: 2.328 in

Centreline U-joint to end of hub: 5.094 in

Joint angle tolerance: 25°

Neapco includes this yoke in its SPL170HR / heavy-duty product line with full coverage of differential, transmission, and mid-ship yokes. MyTee listings also classify it as a drop-in replacement for the 170-4-721-1X OEM yoke, including for Volvo VNL trucks.

This yoke is suitable for use in commercial truck rears where the drivetrain calls for a SPL170HR differential yoke with the above spline and hub specifications. Before installing, confirm that the spline count, hub diameter, joint angle, and U-joint retention match your driveshaft setup.

Weight