There may be a lead time on some parts as stock and number of builds is always fluctuating.
NP263XHD Transfer Case for 2001-2007 RPO NP1
Preorder status does NOT have a direct reflection of stock status.
Items may be in stock and ready to ship, there may be a 3 to 13 day (or longer) build lead time, or may be unavailable until further notice. Please reach out to us to check the stock status and available before purchasing. If you do not reach out ahead of time and wish to cancel your order for any reason you will be subject to our Terms and Conditions.
**Before purchasing please ensure your transfer case is the culprit and not an encoder motor.**
NP263XHD Transfer Case for 2001-2007 GM 2500/3500 Series pickups remanufactured to OEM Specs. This unit does not have an upgraded rear case half, or any upgrades to prevent pump rub. If you want an upgraded transfer case, please reach out to us for pricing and availability.
This unit has a 29 spline input shaft and fits behind a 6 speed Allison Transmission.
Electric encoder (shift) motor is not included. If one is needed please see SKU TCS263GXHD-2M or TCS263GXHD-2M1 depending on the year of your application. If you just need the shift motor reach out to us.
You are solely responsible for ensuring this unit fits your vehicle, TCS is not responsible for a mispurchased product. If you have any questions about compatibility please reach out to us with your VIN#
Compatible Make / Model
Hollander Number
412-456, 412-540
Tag Numbers
12573382, 24228411, 12575648, 12576352, 12579909, 12581004, 12584758, 12585237, 12588516, 15005450, 15057935, 15772805, 24228417, 24238188, 24238841
Other Numbers
UMT139-3
If you need your transfer case expedited, please reach out for shipping quote and speeds.