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Symptoms:

  • Broken retaining ring behind rear output shaft bearing

Cause:

Drive shaft pushes forward on the output shaft due to spline lock.

Correction:

Replace the OEM retaining ring with this new split ring retainer.

New Process 230 & 240 Series

Transfer Case Split Ring Retainer
Part No. 100420-01K

Fits 230 series with 1.180" dia. shaft.

View Instructions

Sonnax offers split ring retainer 100420-01K as an upgrade to the OE open-end style retainer that commonly breaks.

The OE snap ring directly behind the rear output shaft bearing often fails from fatigue cracks caused by the on/off loading of the snap ring. The open-end-style snap rings cannot withstand the loads from the forward force of the driveshaft.

The driveshaft spline is designed to slide on the output shaft spline, but spline lock causes the drive shaft to directly load the OE snap ring. When the rear suspension moves up and down, the drive shaft pounds this snap ring until it breaks.

  • Made from high-strength chromoly steel and is through-hardened to increase its strength and wear-resistance
  • Unique design allows use without modification to the shaft or mating parts
  • Snap Ring
  • Retainer Ring
  • Split Retainer
  • 100420 01k combo
  • 100420 01k