Transfer Case Internal Components fit your 2003 GMC Sierra 2500 HD 4WD

Currently shopping for
2003 GMC Sierra 2500 HD 4WD
Change Vehicle
Categories Close X

Currently selected

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Engine
Frames, Springs, Shocks, Bumpers
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Maintenance Parts, Fluids, Capacities, Electrical Connectors
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transmission - Automatic
Transmission - Manual
Categories Close X

Currently selected

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Engine
Frames, Springs, Shocks, Bumpers
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Maintenance Parts, Fluids, Capacities, Electrical Connectors
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transmission - Automatic
Transmission - Manual
Sort by:
Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • GEAR, Transfer Case
    GMC 88962335
    88962335
    GEAR, TRANSFER CASE TWO/FOUR WHEEL DRIVE SYN (W/HUB)(INCLUDES 27)(WHEN REPLACE GEAR IN REMANUFACTURE TRANSFER CASE, REPLACE HUB AND MAINSHAFT)
    • Fitting Vehicle Options: K2,3(MT1,M74,MN8,NP1)
    $139.56 $88.70
    1
    Add To Cart
  • GMC 88962335
    88962335
    GEAR, TRANSFER CASE TWO/FOUR WHEEL DRIVE SYN (W/HUB)(INCLUDES 25)(WHEN REPLACE GEAR IN REMANUFACTURE TRANSFER CASE, REPLACE HUB AND MAINSHAFT)
    • Fitting Vehicle Options: K1,2,3(NP2)
    $139.56 $88.70
    1
    Add To Cart
  • 12384974
    GEAR, TRANSFER CASE INPUT
    • Fitting Vehicle Options: K2,3(M74,NP1), K2,3(ML6,M74,NP2)
  • 88962329
    GEAR, TRANSFER CASE INPUT
    • Fitting Vehicle Options: K2(MN8,MT1,NP8)
    $84.81 $53.90
  • 12384969
    GEAR, TRANSFER CASE INPUT
    • Fitting Vehicle Options: K2,3(MT1,NP1), K2,3(MT1,MW3,NP2), K2(MN8,NP2)
  • RING, Transfer Case
    15547397
    RING, TRANSFER CASE HIGH/LOW PLANET CARRIER RETAINER(3 13/16 O.D. X 41/64 THICK)
    • Fitting Vehicle Options: K2,3(MT1,M74,MN8,NP1), K1,2,3(NP2), K2(MN8,MT1,NP8)
    $12.70 $7.67
    1
    Add To Cart
  • GMC 12547477
    12547477
    RING, TRANSFER CASE TWO/FOUR WHEEL DRIVE DRIVEN SPROCKET RETAINER(2.5")(OUTER)
    • Fitting Vehicle Options: K2,3(MT1,M74,MN8,NP1), K1,2,3(NP2), K1,2(NP8)
    $12.19 $7.75
    5
    Add To Cart
  • GMC 12547477
    12547477
    RING, TRANSFER CASE TWO/FOUR WHEEL DRIVE SPROCKET RETAINER(2.5")(OUTER)
    • Fitting Vehicle Options: K2,3(NP1), K1,2,3(NP2), K1,2(NP8)
    • Require Quantity: 02
    • Package Quantity: 5
    $12.19 $7.75
    5
    Add To Cart
  • 12547637
    RING, TRANSFER CASE REAR OUTPUT SHAFT REAR BEARING OUTER RETAINER
    • Fitting Vehicle Options: K2,3(MT1,M74,MN8,NP1), K1,2,3(NP2), K1,2(NP8)
    $8.91 $5.66
    5
    Add To Cart
  • GMC 15664905
    15664905
    RING, TRANSFER CASE HIGH/LOW PLANET PINION GEAR SHAFT RETAINER(LOCK PLATE)(2 TAB)(4.538)
    • Fitting Vehicle Options: K2,3(MT1,M74,MN8,NP1), K1,2,3(NP2), K2(MN8,MT1,NP8)
    $13.18 $8.37
    5
    Add To Cart
  • 12470554
    RING, TRANSFER CASE REAR OUTPUT SHAFT REAR BEARING RETAINER
    • Fitting Vehicle Options: K1,2(NP8)
    $10.22 $6.48
  • SEAL, Transfer Case
    GMC 12478088
    12478088
    SEAL, TRANSFER CASE OIL PUMP SUCTION PIPE(O-RING)
    • Fitting Vehicle Options: K2,3(MT1,NP1), K2,3(M74,NP1), K2,3(ML6,M74,NP2)
    $11.58 $7.36
    1
    Add To Cart
  • GMC 15547430
    15547430
    SEAL, TRANSFER CASE OIL PUMP SUCTION PIPE(O-RING)
    • Fitting Vehicle Options: K1,2,3(MT1,MW3,NP2), K2(MN8,NP2), K2(MN8,MT1,NP8)
  • SHAFT, Transfer Case
    GMC 12470958
    12470958
    SHAFT, TRANSFER CASE FRONT OUTPUT(INCLUDES 28,30)(INCLUDES WHEEL & PLUG)
    • Fitting Vehicle Options: K1,2(NP8)
  • GMC 12473222
    12473222
    SHAFT, TRANSFER CASE FRONT OUTPUT
    • Fitting Vehicle Options: K1,2,3(NP1)
  • GMC 12473222
    12473222
    SHAFT, TRANSFER CASE FRONT OUTPUT(INCLUDES 42)
    • Fitting Vehicle Options: K1,2,3(NP2)
  • GMC 12547661
    12547661
    SHAFT, TRANSFER CASE SHIFT FORK
    • Fitting Vehicle Options: K1,2,3(NP1,NP2,NP8)
  • GMC 88962317
    88962317
    SHAFT, TRANSFER CASE REAR OUTPUT(USE TOGETHER WITH 88962316/RING)
    • Fitting Vehicle Options: K2,3(M74,NP1), K2,3(ML6,M74,NP2)
  • GMC 88962321
    88962321
    SHAFT, TRANSFER CASE REAR OUTPUT
    • Fitting Vehicle Options: K2,3(MT1,NP1), K2,3(MT1,MW3,NP2), K1,2,3(M30,MG5,MT1,MW3,NP2), K2(MN8,MT1,MW3,NP2)
  • WASHER, Transfer Case
    15547390
    WASHER, TRANSFER CASE HIGH/LOW PLANET CARRIER THRUST(REAR)
    • Fitting Vehicle Options: K2,3(MT1,M74,MN8,NP1), K1,2,3(NP2)
    • Require Quantity: 02
    • Package Quantity: 1
    $18.80 $11.94
    1
    Add To Cart
  • 15547390
    WASHER, TRANSFER CASE HIGH/LOW PLANET CARRIER THRUST(REAR)
    • Fitting Vehicle Options: K2(MN8,MT1,NP8)
    $18.80 $11.94
    1
    Add To Cart
  • GMC 12470959
    12470959
    WASHER, TRANSFER CASE INPUT SHAFT THRUST BEARING(FRONT)
    • Fitting Vehicle Options: K2,3(M74,MT1,NP1), K257(53)(MT1,MW3,NP2), K2(MN8,MT1,NP8)
    $11.90 $7.57
    1
    Add To Cart
  • GMC 12470959
    12470959
    WASHER, TRANSFER CASE HIGH/LOW PLANET CARRIER THRUST(FRONT)
    • Fitting Vehicle Options: K2,3(MT1,MW3,NP2), K2(MN8,NP2), K2,3(ML6,M74,NP2)
    $11.90 $7.57
    1
    Add To Cart
  • GMC 12473056
    12473056
    WASHER, TRANSFER CASE OIL PUMP(TYPE 241C/243C)
    • Fitting Vehicle Options: K1,2(NP8)
  • SCREEN, Transfer Case
    GMC 15547432
    15547432
    SCREEN, TRANSFER CASE OIL PUMP
    • Fitting Vehicle Options: K2,3(MN8,MT1,MW3,NP2), K1,2(NP8)
  • GMC 12478085
    12478085
    SCREEN, TRANSFER CASE OIL PUMP(PART OF 38)
    • Fitting Vehicle Options: K2,3(MT1,NP1), K2,3(M74,NP1)
    $14.27 $9.05
  • GMC 12478085
    12478085
    SCREEN, TRANSFER CASE OIL PUMP
    • Fitting Vehicle Options: K2,3(ML6,M74,NP2)
    $14.27 $9.05
  • FORK, Transfer Case
    12473219
    FORK, TRANSFER CASE TWO/FOUR WHEEL DRIVE SHIFT(INCLUDES 20)(COMPLETE)
    • Fitting Vehicle Options: K2,3(MT1,M74,MN8,NP1)
    $162.03 $102.98
    1
    Add To Cart
  • 12473219
    FORK, TRANSFER CASE TWO/FOUR WHEEL DRIVE SHIFT(COMPLETE)
    • Fitting Vehicle Options: K1,2,3(NP2)
    $162.03 $102.98
    1
    Add To Cart
  • 12384964
    FORK, TRANSFER CASE HIGH/LOW SHIFT(INCLUDES PADS)(USE TOGETHER WITH 12384962/CLUTCH)
    • Fitting Vehicle Options: K2,3(M74,NP1)
    $207.67 $131.39
    1
    Add To Cart
  • 12384964
    FORK, TRANSFER CASE HIGH/LOW SHIFT(INCLUDES PADS)(USE TOGETHER WITH 12384958/CLUTCH)
    • Fitting Vehicle Options: K2,3(MN8,MT1,NP1)
    $207.67 $131.39
    1
    Add To Cart
  • 12544310
    FORK, TRANSFER CASE HIGH/LOW SHIFT
    • Fitting Vehicle Options: K1,2,3(NP2)
    $96.55 $61.36
  • GMC 88962346
    88962346
    FORK, TRANSFER CASE HIGH/LOW SHIFT(W/O PADS)
    • Fitting Vehicle Options: K1,2(MN8,MT1,NP8)
  • PLUG, Transfer Case
    GMC 12473236
    12473236
    PLUG, TRANSFER CASE FRONT OUTPUT SHAFT HOLE(4.510)
    • Fitting Vehicle Options: K2,3(NP1)
    $7.21 $4.57
    1
    Add To Cart
  • GMC 12473236
    12473236
    PLUG, TRANSFER CASE FRONT OUTPUT SHAFT HOLE(PART OF 43)(4.510)
    • Fitting Vehicle Options: K1,2,3(NP2)
    $7.21 $4.57
    1
    Add To Cart
  • GMC 12473236
    12473236
    PLUG, TRANSFER CASE FRONT OUTPUT SHAFT HOLE(PART OF 29)(4.510)
    • Fitting Vehicle Options: K2(MN8,MT1,NP8)
    $7.21 $4.57
    1
    Add To Cart
  • PUMP, Transfer Case
    12478084
    PUMP, TRANSFER CASE OIL(INCLUDES BOLT,BUSHING,GEARS & HOUSING)
    • Fitting Vehicle Options: K1,2,3(NP1), K1,2,3(NP2)
    $208.71 $132.05
    1
    Add To Cart
  • GMC 12547630
    12547630
    PUMP, TRANSFER CASE OIL(INCLUDES BOLTS,BUSHING,HOUSINGS & ROTORS)
    • Fitting Vehicle Options: K1,2(NP8)
    $202.65 $128.22
    1
    Add To Cart
  • WHEEL, Speedometer Drive
    GMC 12547474
    12547474
    WHEEL, TRANSFER CASE REAR OUTPUT SHAFT SPEED RELUCTOR
    • Fitting Vehicle Options: K1,2(M30,MN8,MT1,NP8)
  • GMC 12472605
    12472605
    WHEEL, TRANSFER CASE FRONT OUTPUT SHAFT SPEED RELUCTOR(PART OF 29)
    • Fitting Vehicle Options: K1,2(NP8)
  • GMC 12472967
    12472967
    WHEEL, TRANSFER CASE REAR OUTPUT SHAFT SPEED RELUCTOR
    • Fitting Vehicle Options: K1,2,3(MT1,NP2), K2,3(MW3,NP2)
  • 12478089
    WHEEL, TRANSFER CASE REAR OUTPUT SHAFT SPEED RELUCTOR
    • Fitting Vehicle Options: K2,3(MT1,NP1)
  • BEARING, Transfer Case
    12350040
    BEARING, TRANSFER CASE INPUT GEAR(PART OF 6)(UPPER-BETWEEN 4 WHEEL DOOR CLUTCH PRESSURE HUB & HIGH/LOW PLANET CARRIER)
    • Fitting Vehicle Options: K1,2(NP8)
    $17.19 $10.93
    1
    Add To Cart
  • GMC 12472961
    12472961
    BEARING, TRANSFER CASE FRONT OUTPUT SHAFT DRIVE SPROCKET(INNER CONE)
    • Fitting Vehicle Options: K2,3(MT1,M74,MN8,NP1), K1,2,3(NP2)
    $75.43 $37.41
    1
    Add To Cart
  • 19256200
    BEARING, TRANSFER CASE REAR OUTPUT SHAFT REAR
    • Fitting Vehicle Options: K2,3(MT1,MN8,NP1), K2(MN8,NP2), K2,3(MT1,MW3,NP2)
    $65.96 $39.86
    1
    Add To Cart
  • GMC 19256201
    19256201
    BEARING, TRANSFER CASE REAR OUTPUT SHAFT REAR
    • Fitting Vehicle Options: K2,3(M74,NP1), K2,3(ML6,M74,NP2)
    $90.84 $56.96
    1
    Add To Cart
  • 88962351
    BEARING, TRANSFER CASE REAR OUTPUT SHAFT REAR
    • Fitting Vehicle Options: K1,2(NP8)
    $126.17 $72.50
    1
    Add To Cart
  • 88996465
    BEARING, TRANSFER CASE INPUT GEAR(NEEDLE)
    • Fitting Vehicle Options: K2,3(NP1), K1,2,3(NP2)
    $19.96 $13.05
    1
    Add To Cart
  • CHAIN, Transfer Case
    12474602
    CHAIN, TRANSFER CASE TWO/FOUR WHEEL DRIVE
    • Fitting Vehicle Options: K1,2(NP8)
    $487.87 $233.60
    1
    Add To Cart
  • GMC 12384954
    12384954
    CHAIN, TRANSFER CASE TWO/FOUR WHEEL DRIVE(84 PINS)
    • Fitting Vehicle Options: K2,3(M74,NP1), K2(MT1,NP1), K2,3(ML6,M74,NP2)
  • GMC 12473234
    12473234
    CHAIN, TRANSFER CASE TWO/FOUR WHEEL DRIVE(98 PINS)
    • Fitting Vehicle Options: K2(MN8,MT1,MW3,NP2)
  • CLUTCH, Transfer Case
    GMC 12386242
    12386242
    CLUTCH, TRANSFER CASE HIGH/LOW(SERVICE TOGETHER WITH FORK 88962346)
    • Fitting Vehicle Options: K1,2(NP8)
    $198.19 $158.57
    1
    Add To Cart
  • GMC 12384958
    12384958
    CLUTCH, TRANSFER CASE HIGH/LOW(USE TOGETHER WITH 12384964/FORK ASM)
    • Fitting Vehicle Options: K2,3(MT1,NP1)
  • GMC 12384962
    12384962
    CLUTCH, TRANSFER CASE HIGH/LOW(USE TOGETHER WITH 12384964/FORK)(4.555)
    • Fitting Vehicle Options: K2,3(M74,NP1)
  • GMC 12473218
    12473218
    CLUTCH, TRANSFER CASE HIGH/LOW
    • Fitting Vehicle Options: K2(MN8,NP2), K2,3(MT1,MW3,NP2)
  • GMC 88958859
    88958859
    CLUTCH, TRANSFER CASE HIGH/LOW(4.555)
    • Fitting Vehicle Options: K2,3(ML6,M74,NP2)
  • PAD, Transfer Case
    12384966
    PAD, TRANSFER CASE HIGH/LOW SHIFT FORK(CENTER)
    • Fitting Vehicle Options: K2,3(MT1,NP1), K2,3(M74,NP1)
    • Require Quantity: 02
    • Package Quantity: 1
    $18.10 $11.51
    1
    Add To Cart
  • GMC 12475009
    12475009
    PAD, TRANSFER CASE HIGH/LOW SHIFT FORK(CENTER)
    • Fitting Vehicle Options: K1,2(MN8,MT1,NP8)
    $22.69 $13.05
    1
    Add To Cart
  • GMC 12475008
    12475008
    PAD, TRANSFER CASE HIGH/LOW SHIFT FORK
    • Fitting Vehicle Options: K1,2(MN8,MT1,NP8)
    • Require Quantity: 02
    • Package Quantity: 1
  • LEVER, Transfer Case
    GMC 88996468
    88996468
    LEVER, TRANSFER CASE FOUR WHEEL DRIVE CLUTCH
    • Fitting Vehicle Options: K1,2(MN8,MT1,NP8)
    $205.34 $129.91
    1
    Add To Cart
  • GMC 12384977
    12384977
    LEVER, TRANSFER CASE SHIFT DETENT
    • Fitting Vehicle Options: K2,3(MT1,M74,NP1)
  • RING, Transfer Case Main Drive
    GMC 12472963
    12472963
    RING, TRANSFER CASE TWO/FOUR WHEEL DRIVE SYN BLOCKING(OUTER)
    $88.99 $53.75
    1
    Add To Cart
  • GMC 89059644
    89059644
    RING, TRANSFER CASE TWO/FOUR WHEEL DRIVE SYN BLOCKING(MIDDLE)
    $106.97 $51.22
    1
    Add To Cart
  • GMC 15547419
    15547419
    RING, TRANSFER CASE TWO/FOUR WHEEL DRIVE SYN RETAINER
  • HUB, Transfer Case Four Wheel Drive Clutch
    GMC 12473221
    12473221
    HUB, TRANSFER CASE FOUR WHEEL DRIVE CLUTCH(PART OF 25)
    • Fitting Vehicle Options: K2,3(NP1)
    • Replaced By: 88962335
    $139.56 $88.70
    1
    Add To Cart
  • GMC 12473221
    12473221
    HUB, TRANSFER CASE FOUR WHEEL DRIVE CLUTCH(PART OF 23)
    • Fitting Vehicle Options: K1,2,3(NP2)
    • Replaced By: 88962335
    $139.56 $88.70
    1
    Add To Cart
  • SPROCKET, Transfer Case
    GMC 12478083
    12478083
    SPROCKET, TRANSFER CASE FRONT OUTPUT SHAFT DRIVE
    • Fitting Vehicle Options: K2,3(M74,MN8,NP1), K2,3(ML6,M74,NP2)
    $109.71 $69.73
    1
    Add To Cart
  • GMC 12478083
    12478083
    SPROCKET, TRANSFER CASE TWO/FOUR WHEEL DRIVE DRIVEN
    • Fitting Vehicle Options: K2,3(M74,NP1), K2,3(ML6,M74,NP2)
    $109.71 $69.73
    1
    Add To Cart
  • GMC 12473233
    12473233
    SPROCKET, TRANSFER CASE TWO/FOUR WHEEL DRIVE DRIVEN
    • Fitting Vehicle Options: K2(MT1,NP1), K2(MN8,MT1,MW3,NP2)
  • GMC 12473233
    12473233
    SPROCKET, TRANSFER CASE FRONT OUTPUT SHAFT DRIVE
    • Fitting Vehicle Options: K2(MT1,NP1), K2(MN8,MT1,MW3,NP2)
  • GMC 12474614
    12474614
    SPROCKET, TRANSFER CASE FRONT OUTPUT SHAFT DRIVE
    • Fitting Vehicle Options: K1,2(NP8)
  • GMC 12474614
    12474614
    SPROCKET, TRANSFER CASE TWO/FOUR WHEEL DRIVE DRIVEN
    • Fitting Vehicle Options: K1,2(NP8)
  • PIPE, Transfer Case
    GMC 12477899
    12477899
    PIPE, TRANSFER CASE OIL PUMP SUCTION
    • Fitting Vehicle Options: K2,3(MT1,MW3,NP2), K2(MN8,NP2), K1,2(NP8)
    $4.51 $3.67
    1
    Add To Cart
  • 88962338
    PIPE, TRANSFER CASE OIL PUMP SUCTION(INCLUDES 39,41)(W/SCREEN)
    • Fitting Vehicle Options: K2,3(M74,NP1), K2,3(MT1,NP1)
    $17.46 $11.09
  • 88962338
    PIPE, TRANSFER CASE OIL PUMP SUCTION(W/SCREEN)
    • Fitting Vehicle Options: K2,3(ML6,M74,NP2)
    $17.46 $11.09
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2003 GMC Sierra 2500 HD 4WD parts. Parts like Transfer Case Internal Components are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L. Model Code: 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB.