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  1. Home
  2. GMC Trucks
  3. 2003
  4. Sierra 2500 HD 2WD (New Style)
  5. Transfer Case

2003 GMC Trucks Sierra 2500 HD 2WD (New Style) transfer case parts catalog

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Chain, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384954
  • Quantity in car: 1
  • Transfer case two/four wheel drive (84 pins)
  • Usage: K2, 3 (M74, NP1)

$343.93—385.08

Available in 2 shops

Add to cart

Clutch, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384958
  • Quantity in car: 1
  • Transfer case high/low (use together with 12384964/fork assembly)
  • Usage: K2, 3 (MT1, NP1)

$80.09—91.15

Available in 38 shops

Add to cart

Clutch, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384962
  • Quantity in car: 1
  • Transfer case high/low (use together with 12384964/fork)
  • Usage: K2, 3 (M74, NP1)

$103.68—169.74

Available in 38 shops

Add to cart

Fork, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384964
  • Quantity in car: 1
  • Transfer case high/low shift (includes pads) (use together with 12384958/clutch)
  • Usage: K2, 3 (MN8, MT1, NP1)

$94.07—151.84

Available in 38 shops

Add to cart

Fork, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384964
  • Quantity in car: 1
  • Transfer case high/low shift (includes pads) (use together with 12384962/clutch)
  • Usage: K2, 3 (M74, NP1)

$94.07—151.84

Available in 38 shops

Add to cart

Padding, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384966
  • Quantity in car: 2
  • Transfer case high/low shift fork (center)
  • Usage: K2, 3 (M74, NP1), K2, 3 (MT1, NP1)

$8.47—9.75

Available in 38 shops

Add to cart

Gear, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384969
  • Quantity in car: 1
  • Transfer case input
  • Usage: K2, 3 (MT1, NP1)

$184.77—259.04

Available in 38 shops

Add to cart

Gear, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384974
  • Quantity in car: 1
  • Transfer case input
  • Usage: K2, 3 (M74, NP1)

$250.62—280.62

Available in 2 shops

Add to cart

Lever, transfer case (np1) internal components (new process 263)

  • OEM part number: 12384977
  • Quantity in car: 1
  • Transfer case shift detent
  • Usage: K2, 3 (MT1, M74, NP1)

$32.54—36.43

Available in 2 shops

Add to cart

Washer, transfer case (np1) internal components (new process 263)

  • OEM part number: 12470959
  • Quantity in car: 1
  • Transfer case input shaft thrust bearing (front)
  • Usage: K2, 3 (M74, MT1, NP1)

$5.75—10.65

Available in 38 shops

Add to cart

Magnet, transfer case (np1) internal components (new process 263)

  • OEM part number: 12471607
  • Quantity in car: 1
  • Transfer case chip collector
  • Usage: K2, 3 (NP1)

$5.31—7.60

Available in 38 shops

Add to cart

Bearing, transfer case (np1) internal components (new process 263)

  • OEM part number: 12472959
  • Quantity in car: 2
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$8.71—9.75

Available in 2 shops

Add to cart

Bearing, transfer case (np1) internal components (new process 263)

  • OEM part number: 12472961
  • Quantity in car: 1
  • Transfer case front output shaft drive sprocket (inner cone)
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$33.47—37.47

Available in 2 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 12472963
  • Quantity in car: 1
  • Transfer case two/four wheel drive syn blocking (outer)
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$65.58—118.73

Available in 38 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 12472966
  • Quantity in car: 1
  • Vehicle speed sensor reluctor wheel retain (36 x 2.4)
  • Usage: K1, 2, 3 (MT1, M30, NP2, NP1), K1, 2, 3 (MG5, MW3, NP2, NP1)

$2.76—8.75

Available in 38 shops

Add to cart

Fork, transfer case (np1) internal components (new process 263)

  • OEM part number: 12473219
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$65.02—124.20

Available in 38 shops

Add to cart

Hub, transfer case (np1) internal components (new process 263)

  • OEM part number: 12473221
  • Quantity in car: 1
  • Usage: K2, 3 (NP1)

$?

Add to cart

Shaft, transfer case (np1) internal components (new process 263)

  • OEM part number: 12473222
  • Quantity in car: 1
  • Transfer case front output
  • Usage: K1, 2, 3 (NP1)

$151.75—181.82

Available in 38 shops

Add to cart

Sprocket, transfer case (np1) internal components (new process 263)

  • OEM part number: 12473233
  • Quantity in car: 1
  • Usage: K2 (MT1, NP1)

$57.29—69.22

Available in 38 shops

Add to cart

Sprocket, transfer case (np1) internal components (new process 263)

  • OEM part number: 12473233
  • Quantity in car: 1
  • Transfer case two/four wheel drive driven
  • Usage: K2 (MT1, NP1) (EXC Z49)

$57.29—69.22

Available in 38 shops

Add to cart

Chain, transfer case (np1) internal components (new process 263)

  • OEM part number: 12473234
  • Quantity in car: 1
  • Transfer case two/four wheel drive (98 pins)
  • Usage: K2 (MT1, NP1), K2 (MT1, NP1)

$244.25—330.32

Available in 38 shops

Add to cart

Plug, transfer case (np1) internal components (new process 263)

  • OEM part number: 12473236
  • Quantity in car: 1
  • Usage: K2, 3 (NP1)

$2.76—3.68

Available in 38 shops

Add to cart

Sprocket, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478083
  • Quantity in car: 1
  • Usage: K2, 3 (M74, MN8, NP1)

$50.06—60.90

Available in 38 shops

Add to cart

Sprocket, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478083
  • Quantity in car: 1
  • Transfer case two/four wheel drive driven
  • Usage: K2, 3 (M74, NP1)

$50.06—60.90

Available in 38 shops

Add to cart

Pump, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478084
  • Quantity in car: 1
  • Transfer case oil (includes bolt, bushing, gears & housing)
  • Usage: K1, 2, 3 (NP1)

$74.62—89.60

Available in 38 shops

Add to cart

Screen, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478085
  • Quantity in car: 1
  • Usage: K2, 3 (M74, NP1), K2, 3 (MT1, NP1)

$6.68—8.37

Available in 38 shops

Add to cart

Seal, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478088
  • Quantity in car: 1
  • Transfer case oil pump suction pipe (O-ring)
  • Usage: K2, 3 (MT1, NP1), K2, 3 (M74, NP1)

$5.42—10.87

Available in 38 shops

Add to cart

Wheel, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478089
  • Quantity in car: 1
  • Usage: K2, 3 (M74, NP1), K2, 3 (MT1, NP1), K2, 3 (MT1, NP1), K2, 3 (M74, NP1)

$22.51—37.18

Available in 38 shops

Add to cart

Bracket, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478098
  • Quantity in car: 1
  • Transfer case two/four wheel drive shift fork (range fork inner)
  • Usage: K2, 3 (MT1, M74, NP1)

$51.96—64.17

Available in 38 shops

Add to cart

Spring, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478099
  • Quantity in car: 1
  • Transfer case high/low shift fork shaft detent
  • Usage: K2, 3 (MT1, M74, NP1)

$8.88—9.94

Available in 2 shops

Add to cart

Bushing, transfer case (np1) internal components (new process 263)

  • OEM part number: 12478100
  • Quantity in car: 2
  • Usage: K2, 3 (MT1, M74, NP1)

$5.75—6.44

Available in 2 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 12547477
  • Quantity in car: 1
  • Transfer case two/four wheel drive driven sprocket retain (2.5") (outer)
  • Usage: K2, 3 (MT1, M74, MN8, NP1), K2, 3 (MT1, M74, MN8, NP1)

$4.87—6.44

Available in 38 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 12547477
  • Quantity in car: 2
  • Transfer case two/four wheel drive sprocket retain (2.5") (outer)
  • Usage: K2, 3 (NP1)

$4.87—6.44

Available in 38 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 12547637
  • Quantity in car: 1
  • Transfer case rear output shaft rear bearing outer retain
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$3.91—7.05

Available in 38 shops

Add to cart

Shaft, transfer case (np1) internal components (new process 263)

  • OEM part number: 12547661
  • Quantity in car: 1
  • Transfer case shift fork
  • Usage: K1, 2, 3 (NP1, NP2, NP8)

$20.43—22.87

Available in 2 shops

Add to cart

Carrier, transfer case (np1) internal components (new process 263)

  • OEM part number: 12547997
  • Quantity in car: 1
  • Transfer case high/low planetary
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$286.64—320.94

Available in 2 shops

Add to cart

Spring, transfer case (np1) internal components (new process 263)

  • OEM part number: 14071702
  • Quantity in car: 2
  • Usage: K2, 3 (MT1, M74, MN8, NP1), K2, 3 (MT1, M74, MN8, NP1)

$5.75—6.44

Available in 2 shops

Add to cart

Washer, transfer case (np1) internal components (new process 263)

  • OEM part number: 15547390
  • Quantity in car: 2
  • Transfer case high/low planetary carrier thrust (rear)
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$8.88—11.19

Available in 38 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 15547397
  • Quantity in car: 1
  • Transfer case high/low planetary carrier retain (3 13/16 outside diameter x 41/64 thick)
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$5.75—7.24

Available in 38 shops

Add to cart

Spring, transfer case (np1) internal components (new process 263)

  • OEM part number: 15547410
  • Quantity in car: 1
  • Transfer case shift fork
  • Usage: K2, 3 (MT1, M74, NP1)

$5.75—6.44

Available in 2 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 15547419
  • Quantity in car: 1
  • Transfer case two/four wheel drive syn retain
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$5.75—6.44

Available in 2 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 15664905
  • Quantity in car: 1
  • Transfer case high/low planetary pinion gear shaft retain (lock plate)
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$5.72—10.28

Available in 38 shops

Add to cart

Bearing, transfer case (np1) internal components (new process 263)

  • OEM part number: 19256200
  • Quantity in car: 1
  • Transfer case rear output shaft rear
  • Usage: K2, 3 (MT1, MN8, NP1)

$32.27—39.57

Available in 38 shops

Add to cart

Bearing, transfer case (np1) internal components (new process 263)

  • OEM part number: 19256201
  • Quantity in car: 1
  • Transfer case rear output shaft rear
  • Usage: K2, 3 (M74, NP1)

$45.67—48.89

Available in 2 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 88962316
  • Quantity in car: 1
  • Transfer case two/four wheel drive syn retain
  • Usage: K2, 3 (NP1)

$4.51—5.05

Available in 2 shops

Add to cart

Shaft, transfer case (np1) internal components (new process 263)

  • OEM part number: 88962317
  • Quantity in car: 1
  • Transfer case rear output (use together with 88962316/ring)
  • Usage: K2, 3 (M74, NP1)

$254.27—454.71

Available in 38 shops

Add to cart

Shaft, transfer case (np1) internal components (new process 263)

  • OEM part number: 88962321
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, NP1)

$228.76—375.35

Available in 38 shops

Add to cart

Gear, transfer case (np1) internal components (new process 263)

  • OEM part number: 88962335
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$47.61—53.78

Available in 38 shops

Add to cart

Synchronizer, transfer case (np1) internal components (new process 263)

  • OEM part number: 88962337
  • Quantity in car: 1
  • Usage: K2, 3 (NP1)

$83.41—94.56

Available in 38 shops

Add to cart

Pipe, transfer case (np1) internal components (new process 263)

  • OEM part number: 88962338
  • Quantity in car: 1
  • Usage: K2, 3 (M74, NP1), K2, 3 (MT1, NP1)

$8.97—10.03

Available in 2 shops

Add to cart

Bearing, transfer case (np1) internal components (new process 263)

  • OEM part number: 88996465
  • Quantity in car: 1
  • Transfer case input gear (needle)
  • Usage: K2, 3 (NP1)

$8.88—15.96

Available in 38 shops

Add to cart

Ring, transfer case (np1) internal components (new process 263)

  • OEM part number: 89059644
  • Quantity in car: 1
  • Transfer case two/four wheel drive syn blocking (middle)
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$44.84—54.93

Available in 38 shops

Add to cart

Ring, transfer case (np1) case components (new process 263)

  • OEM part number: 00682653
  • Quantity in car: 1
  • Transfer case front output shaft front bearing retain (1.82" free inside diameter x .094" thick)
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$?

Add to cart

Bearing, transfer case (np1) case components (new process 263)

  • OEM part number: 09442326
  • Quantity in car: 1
  • Usage: K2, 3 (M74, NP1)

$?

Add to cart

Sensor, transfer case (np1) case components (new process 263)

  • OEM part number: 12376520
  • Quantity in car: 3
  • Usage: CK1, 2, 3

$32.79—35.28

Available in 2 shops

Add to cart

Bracket, transfer case (np1) case components (new process 263)

  • OEM part number: 12384945
  • Quantity in car: 1
  • Transfer case (speed sensor harness)
  • Usage: K2, 3 (NP1)

$10.58—11.85

Available in 2 shops

Add to cart

Insulator, transfer case (np1) case components (new process 263)

  • OEM part number: 12384973
  • Quantity in car: 1
  • Transfer case four wheel drive actuator
  • Usage: K2, 3 (MT1, M74, NP1)

$19.09—24.40

Available in 38 shops

Add to cart

Case, transfer case (np1) case components (new process 263)

  • OEM part number: 12384976
  • Quantity in car: 1
  • Usage: K2, 3 (M74, NP1)

$570.47—638.74

Available in 2 shops

Add to cart

Plug, transfer case (np1) case components (new process 263)

  • OEM part number: 12470560
  • Quantity in car: 1
  • Transfer case access hole
  • Usage: K2, 3 (MT1, NP1)

$7.85—10.21

Available in 38 shops

Add to cart

Stud, transfer case (np1) case components (new process 263)

  • OEM part number: 12470962
  • Quantity in car: 6
  • Transfer case adapter (m10x1.5x27, m10x1.5x18)
  • Usage: K1, 2, 3 (NP1, NP2, NP3)

$2.89—3.66

Available in 38 shops

Add to cart

Bracket, transfer case (np1) case components (new process 263)

  • OEM part number: 12472969
  • Quantity in car: 1
  • Transfer case (front shaft side)
  • Usage: K1, 2, 3 (NP1, NP2, NP8)

$5.69—6.36

Available in 2 shops

Add to cart

Stud, transfer case (np1) case components (new process 263)

  • OEM part number: 12473057
  • Quantity in car: 1
  • Transfer case (includes stud & washer) (individual components are not sold separately)
  • Usage: K2, 3 (NP1)

$3.88—6.60

Available in 38 shops

Add to cart

Case, transfer case (np1) case components (new process 263)

  • OEM part number: 12473226
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, NP1)

$259.66—509.41

Available in 38 shops

Add to cart

Seal, transfer case (np1) case components (new process 263)

  • OEM part number: 12474947
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$49.93—60.01

Available in 38 shops

Add to cart

Case, transfer case (np1) case components (new process 263)

  • OEM part number: 12478092
  • Quantity in car: 1
  • Usage: K2, 3 (M74, NP1)

$297.50—517.71

Available in 38 shops

Add to cart

Seal, transfer case (np1) case components (new process 263)

  • OEM part number: 12478093
  • Quantity in car: 1
  • Transfer case rear output shaft (booted)
  • Usage: K2, 3 (M74, NP1)

$50.94—86.97

Available in 38 shops

Add to cart

Bearing, transfer case (np1) case components (new process 263)

  • OEM part number: 12547173
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, M74, NP1), K1, 2, 3 (NP1, NP2, NP3, NP8)

$16.39—29.49

Available in 38 shops

Add to cart

Bearing, transfer case (np1) case components (new process 263)

  • OEM part number: 12547464
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$8.88—10.21

Available in 38 shops

Add to cart

Ring, transfer case (np1) case components (new process 263)

  • OEM part number: 12547465
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, M74, MN8, NP1), K2, 3 (MT1, M74, MN8, NP1), K2, 3 (MT1, M74, MN8, NP1)

$5.72—6.58

Available in 38 shops

Add to cart

Seal, transfer case (np1) case components (new process 263)

  • OEM part number: 12547466
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$32.54—58.61

Available in 38 shops

Add to cart

Seal, transfer case (np1) case components (new process 263)

  • OEM part number: 12547638
  • Quantity in car: 1
  • Transfer case rear output shaft (stamped 22507) (booted)
  • Usage: K2, 3 (MT1, NP1)

$48.61—59.57

Available in 38 shops

Add to cart

Bolt, transfer case (np1) case components (new process 263)

  • OEM part number: 12547642
  • Quantity in car: 1
  • Transfer case shift detent spring (5/8-18 x 1/2) (aluminum)
  • Usage: K2, 3 (NP1)

$2.76—5.18

Available in 38 shops

Add to cart

Pinion, transfer case (np1) case components (new process 263)

  • OEM part number: 14037948
  • Quantity in car: 2
  • Transfer case half location (dowel)
  • Usage: K2, 3 (NP1), K2, 3 (NP1)

$5.75—6.44

Available in 2 shops

Add to cart

Ring, transfer case (np1) case components (new process 263)

  • OEM part number: 14037953
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, M74, MN8, NP1)

$5.75—10.06

Available in 38 shops

Add to cart

Seal, transfer case (np1) case components (new process 263)

  • OEM part number: 14071849
  • Quantity in car: 1
  • Transfer case shift detent plunger plug (O-ring) (.648 outside diameter)
  • Usage: K1, 2, 3 (NP1, NP2)

$5.75—10.33

Available in 38 shops

Add to cart

Plug, transfer case (np1) case components (new process 263)

  • OEM part number: 15032997
  • Quantity in car: 1
  • Transfer case oil fill
  • Usage: K2, 3 (NP1)

$5.60—10.11

Available in 38 shops

Add to cart

Plug, transfer case (np1) case components (new process 263)

  • OEM part number: 15032997
  • Quantity in car: 1
  • Transfer case oil drain
  • Usage: K2, 3 (NP1)

$5.60—10.11

Available in 38 shops

Add to cart

Plunger, transfer case (np1) case components (new process 263)

  • OEM part number: 15633556
  • Quantity in car: 1
  • Transfer case shift detent
  • Usage: K2, 3 (NP1, NP2)

$2.12—2.39

Available in 2 shops

Add to cart

Spring, transfer case (np1) case components (new process 263)

  • OEM part number: 15636639
  • Quantity in car: 1
  • Transfer case shift detent
  • Usage: K2, 3 (MT1, M74, NP1)

$5.75—6.44

Available in 2 shops

Add to cart

Ring, transfer case (np1) case components (new process 263)

  • OEM part number: 15662234
  • Quantity in car: 1
  • Transfer case shift detent lever retain (steel) (c-ring)
  • Usage: K1, 2, 3 (NP1, NP8)

$5.75—10.30

Available in 38 shops

Add to cart

Bushing, transfer case (np1) case components (new process 263)

  • OEM part number: 15665313
  • Quantity in car: 1
  • Usage: K2, 3 (MT1, NP1), K2 (MT1, NP1)

$5.17—9.32

Available in 38 shops

Add to cart

Actuator, transfer case (np1) case components (new process 263)

  • OEM part number: 19125578
  • Quantity in car: 1
  • Transfer case four wheel drive (remanufactured) (inclds bolt, seal, encoder motor)
  • Usage: K2, 3 (MT1, M74, NP1)

$213.86—271.60

Available in 2 shops

Add to cart

Bolt, transfer case (np1) case components (new process 263)

  • OEM part number: 25624810
  • Quantity in car: 3
  • Transfer case two/four wheel drive actuator (m10x1.5x40) (hex flanged head)
  • Usage: K2, 3 (MN8, MT1, M74, NP1)

$5.57—7.26

Available in 38 shops

Add to cart

Plug, transfer case (np1) case components (new process 263)

  • OEM part number: 88958815
  • Quantity in car: 1
  • Transfer case access hole
  • Usage: K2, 3 (M74, NP1)

$7.36—14.53

Available in 38 shops

Add to cart

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