Upgraded Aluminum GM Truck Rear Transfer Case Half (Housing) 263XHD and 261XHD

This upgraded aluminum rear case half is very popular amongst our customers and service techs. This cost effective kit has the rear bushing installed, output shaft support bearing installed, and comes with the slip yoke output seal, case grommet and drain plugs.

This cases aluminum construction is much more durable then the OEM magnesium case half. Due to additional material being added around the pump housing, no pump rub kit is required. 

Fitment:

Chevy/GMC 2500HD/2500HD 2001-2007.5 Classic Body Style Duramax/8.1L with Allison Transmission

Fits both GM RPO Code NP1 and NP2 with one of the following codes of ML6, MW7 & M74

Works in Floor Shift(261XHD) or Push Button Shift(263XHD) Transfer Cases

Replaces:

GM 12478092

Note: Pair this new rear half with our DHD 100-263 Bearing and Seal Kit to help complete your rebuild.