NP231 HD Complete w/Std. Length SYE

Part #2503 -- $1,499.00

The NP231HD is built with every possible strength upgrade including all that is available through the aftermarket and original equipment manufacturer (NVG). We begin with a bare, empty case and fill it with new components consisting of the following:

  • Wide chain (genuine Borg-Warner Morse)
  • Wide-tooth main sprocket and front output shaft
  • Heavy Duty SYE kit with 32 spline output shaft
  • 6 pinion planetary gear set
  • Choice of input gear spline (21, 23, 27, 29 or 32 spline)
  • New bearings, seals, small parts, filter pickup, thrust washers, etc.
  • New replacement front output yoke is optional

The 231HD is a direct, bolt-in replacement for any Dodge or Jeep NP231 transfer case. Bolt patterns and shifting patterns are the same as your original unit. Vacuum actuated front axles are also accommodated.

Only new case halves are used in our product. Choice of input gear: 21 spline applications add $210.00.