1310 Pinion Yoke

The 1310 pinion yoke is a critical drivetrain component engineered for Jeep Wrangler JK models (2007–2018) that connects the driveshaft to the differential pinion gear. As a transfer case output yoke, it handles the rotational load transferred from the transmission through the driveshaft assembly, making it essential for four-wheel-drive operation and off-road durability. This component is designed for owners who demand reliable power delivery during aggressive terrain work, recovery operations, or daily driving on challenging surfaces.

Constructed from high-strength steel in a natural finish, the 1310 pinion yoke features a 32-spline interface that provides secure engagement with the pinion shaft while maintaining the U-joint connection standard for mid-size driveshafts. The 1310 U-joint designation indicates the yoke is sized for 1.3-inch diameter U-joints, a common specification in Jeep transfer case assemblies. Steel construction delivers superior fatigue resistance compared to cast alternatives, critical when absorbing shock loads from uneven terrain, engine torque spikes during acceleration, or sudden directional changes that stress the driveline. The natural finish allows for custom painting or coating if desired, and the compact 4 x 3 x 4.5-inch profile integrates seamlessly into OEM transfer case geometry.

Mechanics and Jeep enthusiasts select this pinion yoke when replacing a worn, damaged, or stripped unit—a common wear point after years of off-roading or high-torque applications. Direct-fit compatibility with 2007–2018 JK Wrangler transfer cases eliminates fitment guesswork, and the 32-spline configuration ensures proper load distribution across all engagement points. Installation requires transfer case removal and driveshaft separation, making this a core rebuild component for anyone performing transmission work, driveline service, or addressing vibration or play in the transfer case output. At 2.5 lbs, the yoke's weight is balanced for precise U-joint alignment.