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


Soft case materials are subject to extreme wear. This wear is visible when the pump tab slots out the case.


The new pump tab stop relocates the contact point.

BorgWarner 4405, BorgWarner 4411

Pump Stop Tab Repair Kit
Part No. 100912-01K

View Instructions

Borg Warner 4405 and 4411 transfer cases often exhibit a variety of noise or engagement issues. The three kits offered, 100567A-01K, 100329-01K and 100912-01K each address a problem found in many of these transfer cases.

  • Pump stop tab kits relocates the contact point and allows reuse of damaged cases
  • Pump Tab Stop
  • Spring Pin
  • Bolts (2)
  • Washers (2)
  • 100912 01k