***Please understand that in the event this is being purchased for a swap CORES are very rare on these and if you do not have the same core to return you will be required to pay the core charge in full****
Application Notes:NV4500; Cast Iron Case, Detachable Bell Housing, External Slave Cylinder, Square Four Bolt Shift Tower, Does Not Use An Emergency Brake Mount On The Tail Housing, Uses A Bolt To Hold The Rear Output Yoke On And Not A Nut, 1.886 Diameter Seal Surface On The Yoke, Main Case Cast 16812, Top Cover Cast 18860, Or 25137, Tail Housing Cast 17060NV4500; Cast Iron Case, Detachable Bell Housing, External Slave Cylinder, Square Four Bolt Shift Tower, Does Not Use An Emergency Brake Mount On The Tail Housing, Uses A Bolt To Hold The Rear Output Yoke On And Not A Nut, 1.886 Diameter Seal Surface On The Yoke, Main Case Cast 16812, Top Cover Cast 18860, Or 25137, Tail Housing Cast 17060.
Remanufacturing 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.
- Teardown and Triple Clean – Every transmission is disassembled, inspected, and cleaned three times. We also chase all threads and install all new bushings during this process.
- New or Re-machined Parts – Gear wear is checked and worn gears are replaced. Mainshaft straightness is tested and replaced if needed. Clutch disc synchronizers, selector fork, and flywheel are re-machined or replaced as needed.
- Dyno Testing – Our custom dyno testing machines spin and load test every transmission to verify it’s ready for the road.
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.

