Anyone In Need Of Parts For Their 231 New Process?

Here are some more parts picture for the NP231 transfer case.

Here are the bushings available:
- Range Fork Bushings (Plastic) (15547404)
- Bushing, Tail Housing (1.500" ID) (GM) (WT266-62)
- Bushing, Tail Housing (1.510" ID) (26 & 27 Spline) Dodge (WT243-62B)
- Bushing, Tail Housing (32 Spline) output (WT297-62)

The only thrust washer is pictured below (Plastic Planet Thrust Washer 5012367AA)

Here is a lit of the Forks:
- Mode Fork (Iron) (Cast # 16196) (16267)
- Mode Fork (30 T) (Late Dodge) (17790)
- Range Fork (Aluminum) (Cast # 17833
- Fork Insert Kit 321840K INSK-207

As other pictures become available we will be posting it here or on the online catalog with descriptions like above.

Drums, Steels and Other Parts for the 6HP19 From ZF

The ZF6HP19 from ZF is quite the transmission. Its size is fitting for the amount of speeds and its applications.

Here is a list of the drum (cylinder) or shaft/drum combination for this unit:
- A Drum
- B Drum / Sun Gear Shaft
- C Drum
- D Drum
- E Drum / Input Shaft (1071271079)
- Sun Gear Shaft
- Intermediate Shaft

Steel Plates (1071 298 011 Kit):
- A 1071372010
- B 1071372025
- C 1071375006
- D 1071373009
- E 1071371048

End Plates:
- B 1071372061
- C 1071375007
- D 1071373006
- E 1071371094

Frictions (1071 298 013 Kit):
- A 1071272005
- B 1071272004
- C 1071275005
- D 1071273003
- E 1071271033

Bushings To Washer And Everything In Between - NP 231

The New Process 231 Transfer Case primarily used in GM, Jeep and Dodge products is a chain driven unit with an aluminum case. It comes with a low and high range with 2H, 4H and 4L modes.

This posting will dedicated to post information and pictures for this unit and will be updated as it becomes available so check in frequently.

The pump screen filter (16217) is the same for all versions; seals differ depending on model and may have differences like double lipped with or without slip yoke for the output seal. For the Rear seal there is one with without flange and another with it.

Bearing and races are in stock individually or in the rebuild kit.

Here is the break down on the bushings:
- Range Fork (Plastic) (15547404)
- Tail Housing (1.500" ID) (GM) (WT266-62)
- Tail Housing (1.510" ID) (26 & 27 Spline) Dodge (WT243-62B)
- Tail Housing (32 Spline) output (WT297-62)

Only one washer in stock the Planetary one (5012367AA).

Range Fork (17833), Mode Forks, Fork Insets as well as hubs and sliders.

8 Speed Automatics From Aisin

Aisin Warner comes out with what seems to be a first in the automatic transmission industry, an 8 speed unit.

The TL-80SN is branded by Aisin as the worlds first high performance 8 speed for luxury vehicles. This unit is used in the Lexus GS460, IS F, LS460 and is know as the AA80E. The TL-80NF is a high torque all wheel drive unit also developed for luxury and off road vehicles.

Aisin claims on there website that this unit is fuel efficient, quite and uses engine torque efficiently. Both units where developed jointly with Toyota.