NP 261 NP263 Transfer Case Rebuild Kits and Parts

Are you having problems with your NP261/NP263 transfer case and need a rebuild kit or replacement parts?  We offer quality professional rebuilt  NP261/NP263 transfer case parts and rebuild parts kits that are designed to be top of the line overhaul kits. In 1999 NVG introduced the NP261/NP263 transfer case incorporated into the General Motors Chevrolet 1500, 2500, Suburban, Sierra and Silverado vehicles. The NP261/NP263 is a part time, two-speed manual transfer case, the NP261/NP263 is delivered in two different configurations light and heavy duty, manual mode shift utilizing dual cone synchronizer combine with advanced designed friction reducing parts integrated with a fine pitch chain, sprockets and advanced case material provide quiet operation and light weight. You can see the different ratings below:

NP261 Transfer Case Rebuild Kits and Parts Products 

Part-Time 4WD Operation, the vehicle operates normally in 2WD. The driver must shift into 4WD. "Shift-On-The-Move" allows shifting into 4WD without stopping. A cross reference table is provide to assist you in identification of your transfer case.  

The NP261 & NP263 has a design problem, the pump can wear out the case causing premiture failure and leaking.   The problem with merely replacing the case is it won’t solve the problem.  Magnesium cases are soft; aluminum pumps are harder.  The problem leak will come back and ruin your day.  Maybe on someone else’s watch, but surely you pride yourself in fixing problems.  Fix a factory defect, before problems arise we recommened our Case Saver part number MW52007.  You need to install this part before the oil pump causes your transfer case damage. 

If you case has a hole in it and you want to repair it without replacing the case order our part number TRS482460.

Check tag located on rear of unit for model number. An illustrated drawing is provide below to assist you in parts identification, ordering and assembly.   Back to other model transfer case parts availability page, sometimes we can supply good used take out parts to save you money. Don't see what you need just give us a call toll free 800-216-1632.  Detailed parts illustration is available.  If you decide to replace your NV 261 transfer case with a remaufactued unit with a 12 month warranty see our complete list of transfer cases for Chevrolet/GMC vehicles. All rebuilt transfer case get new seals, bearings, chains, fork pad, encoder motors and viscous couplers.  All shafts, slider, hubs and planets are inspect to ensure proper factory tolerances are maintained. All units are tested at the factory prior to shipment.

New Venture 261
1999-On GM 1/2 and 3/4 ton trucks, Suburban, Sierra, Silverado
Part -Time Transfer Case		Recommended fluid for NP261 --GM part number 12378396
PART NUMBER	DESCRIPTION	TYPE	YEARS
DTS-BK371	Rebuilder Kit - Bearings, Gaskets, O' Rings and Seals, 32 spline output shaft,		1999-On
DTS-BK371A	Rebuilder Kit - Bearings, Gaskets, O' Rings and Seals NP261XHD/NP263XHD, 31 spline output shaft, (ZF 6 Spd / Allison Automatic)		2001-Up
DLG-T371R	Rebuilder Kit - Bearings, Gaskets, O' Rings and Seals NP261 Non SHD/XHD		1999-On
TRS-TSK-261	Gaskets, O' Rings and Seals NP261, NP263
TRS-TSK-261XHD	Gaskets, O' Rings and Seals NP261XHD, NP263XHD
TRS-401001A	Small Parts Kit  NP261
TRS-401001	Small Parts Kit  NP263
DTS-MW52007	Transfer Case Saver prevent oil pump from damaging case use if case is not damaged, machined part
TRS482460	Case Saver , NP 246  Washer type protect rear case half from pump damage, stamped part
TRS-331066	Tail Housing Bushing NP261/NP263
TRS-334066	Tail Housing Bushing NP261XD/NP263
TRS-411215	Planet Thrust Washer (plastic)
TRS-401850	Mode Fork Aluminum Cast #28624 NP261/NP263XD		1999-On
TRS-352849A	Range Fork Aluminum Cast #17833 NP261
TRS-401849	Range Fork NP263 except XHD
TRS-401849A	Range Fork NP263XHD
TRS-401646	Mode Slider NP261/NP263
TRS-401645BK	Ranger Slider & Hub .318" wide NP261
TRS-401645K	Ranger Slider & Hub NP263 except XHD .368" wide
TRS-401645AK	Ranger Slider & Hub NP263XHD
TRS-401701-1	Mode Syncro (inner)
TRS-401701-3	Mode Syncro (center) Friction
TRS-401701-5	Mode Syncro (outer)
TRS-331843-2K	Mode Key & Spring Kit
TRS-371500	Pump Assembly NP261
TRS-401500	Pump Assembly NP263
TRS-351012	Pump Screen Filter
TRS-401670	Input Shaft 27 Spline 4L60E		1999-On
TRS-401670A	Input Shaft 32 Spline 4L80E		1999-On
TRS-HV-069	Chain NP261HD GMT 800 Full Size Truck 49 Links 1.50" Wide, 98 Pins, 3/8" Pitch, Rocker Pins		1999-On
TRS-HV-072	Chain NP261 NP263 49 Links 1.25" Wide, 98 Pins, 3/8" Pitch, Rocker Pins		1999-On
TRS-HV-074	Chain Np264SHD &NP263HD2  Grand Cherokee CJ 01-Up, 42 links, 1.50" Wide, 84 Pins, 7/16" Pitch, Round Pins
TRS-401805	Drive Sprocket, NP261, NP261XHD
TRS-401805A	Sprocket, NP263XHD
DLG-NV45109	Drive Sprocket hub
TRS-351588A	Planetary, 6 Pinion use with .630" wide input bearing	Call and check on good take out used part save money
TRS-401760-1	Case Half Front NP263, NP263XHD	Call and check on good take out used part save money
TRS-401760-2	Case Half Rear  NP263, NP263XHD	Call and check on good take out used part save money
TRS-401760-A2	Case Half Rear  NP261 execpt XHD	Call and check on good take out used part save money
TRS-401421	Shift Actuator GM NP263
TRS-401420	Shift Motor NP263, NP263XHD  Square 6 Male Connector (new) (01-02)	Reman is available Call

Illustration click image to enlarge and see parts list

** Based on manual transmission and diesel engine (2.5 load factor).

 Encoder Motor NP263