Required

Recommended

100567a 01k

BorgWarner 4405, BorgWarner 4411

Shim Kit 100567A-01K

Main Bearing

    Helps cure:
  • Excess axial play in the main bearing pockets
  • Worn bearing housing
  • Noise concerns

Required

Recommended

100420 01k

New Process 230 & 240 Series

Transfer Case Split Ring Retainer 100420-01K

Fits 230 series with 1.180" dia. shaft.

    Helps cure:
  • Broken retaining ring behind rear output shaft bearing

Required

Recommended

100420 02k

New Process 230 & 240 Series

Transfer Case Split Ring Retainer 100420-02K

Fits 230 & 240 series with 1.375" dia. shaft.

    Helps cure:
  • Broken retaining ring behind rear output shaft bearing

Required

Recommended

100246 01

New Process 230 & 240 Series

Case Saver Anti-Wear Plate 100246-01

NP-240, NP136

Required

Recommended

100246 02k

New Process 230 & 240 Series

Transfer Case Pump Plate Kit 100246-02K

NP 136, 149, 236, 246, 261, 263

    Helps cure:
  • Rear housing wear
  • Damaged transfer cases must be scrapped
  • Pin-hole oil leaks in rear transfer case housing

Required

Recommended

100912 01k

BorgWarner 4405, BorgWarner 4411

Pump Stop Tab Repair Kit 100912-01K

    Helps cure:
  • Clicking
  • Erosion at the case material aka slotting where the pump tab contacts the case, allowing excessive motion at the pump tab
  • Slotted case
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