3103-30 – Transmission Yokes – 1310 Series – 28/30 X 1.284 Splines – 1.652″ Hub Dia

3103-30 -- 1310 Nissan Transmission Yoke, 28/30 Splines

The 3103-30 fits a range of Nissan rear-wheel-drive and 4WD applications using a 28/30-spline output shaft. The 1.319" counterbore is a Nissan-standard depth that locates the transmission yoke concentrically on the bearing retainer, which is critical for eliminating first-order vibration that would otherwise appear around 45--50 mph. This part sits 0.846" shorter in center-to-end length than the long Pathfinder variant (3103-30L), so the two are not interchangeable even though they share the same spline specification.

A common failure mode on high-mileage Nissan drivetrains: the output shaft seal wears a groove into the yoke hub. When replacing the yoke, inspect the seal bore carefully -- if the seal has grooved the OEM yoke, install a seal repair sleeve on the new hub before fitting. Running a new seal on a grooved surface will result in oil leaks within weeks. The 1.652" hub diameter is standard for this spline class; aftermarket seal sleeves in this diameter are commercially available.

Cross-reference: Spicer 2-3-11731X covers many overlapping Nissan fitments. Verify counterbore depth -- the Spicer unit may differ by 0.020" to 0.040", which can affect preload on the bearing retainer and introduce a subtle axial rattle at idle.