Spicer 2-4-8091X 1310 Series Pinion End Yoke (26-Spline, U-Bolt Style, Dana 30 / 44 / 50)

Restore reliable driveline engagement, eliminate pinion seal fluid weeping, and upgrade your axle hardware with this genuine Spicer 1310 Series Pinion End Yoke. Engineered as a direct original equipment manufacturer (OEM) replacement component by Dana, this rugged U-bolt style end yoke (Part Number: 2-4-8091X) is built to withstand high rotational torque loads and demanding off-road terrain.

The pinion yoke serves as the critical mechanical bridge connecting your driveshaft universal joint directly to the differential's ring and pinion gear set. Over high mileage, intensive towing, or hard trail wheeling, the internal splines can develop structural slop, or the outer hub barrel can become grooved by the pinion oil seal. This surface scoring creates an imperfect sealing path, allowing high-viscosity gear oil to slowly leak out of the front or rear housing pumpkin. Furthermore, factory stamped-steel strap yokes are prone to stretching under sudden torque loads, causing universal joint caps to shift. Upgrading to this premium Spicer cast steel yoke utilizing heavy-duty U-bolts ensures a complete 180-degree wrap around the bearing caps, locking the u-joint rigidly into place and eliminating high-speed chassis vibrations or takeoff clunks.

Precision-forged from high-tensile alloy steel and balanced to exact factory blueprint specifications, the 2-4-8091X yoke features a standard 26-spline internal layout and a 1.500-inch hub outer diameter. It is dimensioned specifically for the popular 1310 Series driveline architecture (cradling 1.062-inch diameter universal joint bearing caps with a 3.219-inch width). Whether you are fixing an annoying differential fluid leak, recovering from a trail breakage, or completing a ring and pinion gear ratio swap, sourcing this authentic OEM component guarantees a smooth, vibration-free fitment that matches factory tolerances.

Component Highlights:

• Heavy-Duty U-Bolt Style: Engineered to accept premium high-tensile U-bolts rather than thin stamped straps, providing superior clamping uniformity and reducing the risk of universal joint cap distortion.

• Cures Pinion Seal Leaks: Features a precision-ground, mirror-polished outer hub barrel to provide a flawless mating surface for your differential oil seal.

• Genuine Spicer OEM Forging: Cast from high-grade structural steel and induction-hardened to maximize resistance against spline striping or yoke ear spreading under extreme acceleration.

• Pre-Balanced Design: Manufactured to strict rotational weight tolerances to completely eliminate undercarriage harmonics and preserve pinion bearing lifespan.

Axle & Dimensional Specifications:

• Driveline Series Architecture: 1310 Series (3.219" cap-to-cap width | 1.062" bearing cap diameter).

• Spline Count: 26 Splines.

• Hub Diameter: 1.500 inches.

• Thru-Bore Length: 3.000 inches.

• Centerline to End Length: 3.125 inches.

• Fastener Style: U-Bolt Style Layout (Requires Spicer 2-94-28X U-bolt kit, sold separately).

• Axle Profile Compatibility: Fits short-pinion Dana 30, Dana 44, and Dana 50 front or rear differential assemblies.

Common Vehicle Applications:

• Jeep Wrangler TJ / LJ: 1997–2006 models (Front Dana 30 or Rear Dana 44).

• Jeep Wrangler YJ: 1987–1995 models (Front Dana 30 or Rear Dana 35 conversions).

• Jeep Cherokee XJ: 1984–2001 models (Front Dana 30).

• Ford Trucks & SUVs: Various vintage and early 2000s Ford F-150, F-250, and Bronco models running Dana 44 or Dana 50 front steer axles with 26-spline pinions.