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Transfer Case NP261 NP263 Rebuild Kit Drawing & Parts List Print E-mail

 

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 colortransfer_large.jpgoverhaul 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:

Transfer Case Model No.

Max. Capacity Torque (Current Application) lb. ft.

Weight lb.

Oil Fill Capacity pints

Oil Fill Capacity Liters

Approx. Vehicle Weights GVW lb.

NV 261*

2564

69

5.1

2.4

7200

NV 261HD*

5430

77

5.1

2.4

10000

NV 261SHD*

5677

78

5.1

2.4

12000

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.  camra.jpg 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.camra.jpg

  

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

COST

DTS-BK371 Rebuilder Kit - Bearings, Gaskets, O' Rings and Seals, 32 spline output shaft,  

1999-On

$212.84

DTS-BK371A Rebuilder Kit - Bearings, Gaskets, O' Rings and Seals NP261XHD/NP263XHD, 31 spline output shaft,
(ZF 6 Spd / Allison Automatic)
 

2001-Up

$207.84

MWT-T371R Rebuilder Kit - Bearings, Gaskets, O' Rings and Seals NP261 Non SHD/XHD    1999-On  $201.40
TRS-TSK-261
Gaskets, O' Rings and Seals NP261, NP263
    $39.48
TRS-TSK-261XHD
Gaskets, O' Rings and Seals NP261XHD, NP263XHD      $66.94
TRS-401001A

Small Parts Kit  NP261

     $61.11
TRS-401001 Small Parts Kit  NP263      $64.14
DTS-MW52007 Transfer Case Saver prevent oil pump from damaging case use if case is not damaged, machined part
     $101.01
TRS482460 Case Saver , NP 246  Washer type protect rear case half from pump damage, stamped part  camra.jpg    $54.14
TRS-331066
Tail Housing Bushing NP261/NP263
    $10.81
 TRS-334066 Tail Housing Bushing NP261XD/NP263     $17.98
TRS-411215 Planet Thrust Washer (plastic)      $14.83
TRS-401850 Mode Fork Aluminum Cast #28624 NP261/NP263XD  

1999-On

$88.44

TRS-352849A
Range Fork Aluminum Cast #17833 NP261     $46.19
TRS-401849
Range Fork NP263 except XHD
     $77.84
TRS-401849A
Range Fork NP263XHD      $36.97
TRS-401646 Mode Slider NP261/NP263     $98.18
TRS-401645BK
Ranger Slider & Hub .318" wide NP261
     $61.44
TRS-401645K Ranger Slider & Hub NP263 except XHD .368" wide 
    $122.25
TRS-401645AK Ranger Slider & Hub NP263XHD     $82.12
TRS-401701-1
Mode Syncro (inner)
    $54.14
TRS-401701-3 Mode Syncro (center) Friction
    $77.51
TRS-401701-5
Mode Syncro (outer)      $91.41
TRS-331843-2K
Mode Key & Spring Kit
     $20.94
TRS-371500 Pump Assembly NP261
 

 

$96.44

TRS-401500
Pump Assembly NP263
 


$106.24

TRS-351012
Pump Screen Filter
    $7.49
TRS-401670 Input Shaft 27 Spline 4L60E  

1999-On

$238.98

TRS-401670A Input Shaft 32 Spline 4L80E  

1999-On

$201.84

TRS-HV-069 Chain NP261HD GMT 800 Full Size Truck 49 Links 1.50" Wide, 98 Pins, 3/8" Pitch, Rocker Pins  

1999-On

$154.66

TRS-HV-072 Chain NP261 NP263 49 Links 1.25" Wide, 98 Pins, 3/8" Pitch, Rocker Pins  

1999-On

$140.47

TRS-HV-074
Chain Np264SHD &NP263HD2  Grand Cherokee CJ 01-Up, 42 links, 1.50" Wide, 84 Pins, 7/16" Pitch, Round Pins
     $174.83
TRS-401805
Drive Sprocket, NP261, NP261XHD      $84.44
TRS-401805A Sprocket, NP263XHD
     $71.41
 MWT-NV45109 Drive Sprocket hub
     $198.04
TRS-351588A Planetary, 6 Pinion use with .630" wide input bearing
Call and check on good take out used part save money


$463.94

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
     $200.70
TRS-401420
Shift Motor NP263, NP263XHD  Square 6 Male Connector (new) (01-02)
 Reman is available Call
  camra.jpg  $389.97

Illustration click image to enlarge and see parts list
np261_np263_ill_th.jpg 
 
* Based on manual transmission and gasoline engine (2.2 load factor).

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

 Encoder Motor NP263

np263encodermotor.jpg

 

 

 

 

 

 

 

 

 

 Transfer Case Saver a machined part not stamped metal.  Your cost  $101.00mw52007nvtransfcasesaverpump_p1_th.jpg

click image to enlarge

Transfer Case Repair Saver Your cost  $54.94

Chevy Silverado/Tahoe  GMC Sierra/Yukon

NP236 – NP246 – NP261 – NP263

Permanent pump wear protection

Good used case halves are a challenge to find.  

New aftermarkets are available, for a price.

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.  Maybe on someone else’s watch, but surely you pride yourself in fixing problems.

 Save your money and fix their problem the first time with this simple drop-in:

 1) Clean case and repair damage with an   

   epoxy or you may choose to have welded

 2) Place BRNY protector in the pump pocket

 3) Continue the rebuild knowing it’s fixed

482460tcsaver.jpg

  

np246pumppockrepair.jpg

np246saverinplace.jpg

 

 

 

 
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