Application Notes: NV231; 21 Spline 0.75 Inch Exposed Length On Input Shaft, Bolt On Front Output Yoke, 27 Spline Slip Yoke Style Rear Output Shaft, 1.75 Inch Diameter Speedo Hole, Vacuum Shift Indicator Switch On Speedo Housing, 2 Piece Tail Housing, Tag Numbers: 53003927, 53004301, 53006092, 53008207, 53008208, Hollander Numbers: 412-212, 412-240, Other Numbers: UMT207-5.
Remanufacturing Process
Every transfer case we sell is fully remanufactured to meet or exceed OEM specifications. Our remanufacturing process:
- Deep Clean – To start the remanufacturing process, each transfer case is fully disassembled and cleaned
- Inspection – Each transfer case is carefully inspected for cracks, excessive wear, shaft warp, and chain stretch
- New Components – All seals, bearings, joints and rings are replaced as well as electrical components (solenoids and control units)
- Validation – After reassembly, each individual transfer case is spin tested as part of a detailed checklist validation process
Every unit is fully remanufactured and covered against defects in materials and workmanship. Email us to confirm the current warranty term for this unit before purchase.

