Wiring Harness/Engine fit your 2003 GMC Sierra 2500 4WD

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2003 GMC Sierra 2500 4WD

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

13500114
RELAY, A/C Electrical, RELAY,A/C COMPRESSOR(GRAY)(35AMP)(4-TERMINAL)(HIGH CURRENT MICRO RELAY)(2.510)
$20.04 $9.54
1
Add To Cart

13503102
RELAY, Starter Motor, RELAY,STARTER(4 TERMINAL)(GRAY)(SPST 280 MINI)(4-WAY)(SQUARE CASE)(W/RESISTOR)(1.055)
$16.22 $7.86
1
Add To Cart

CONNECTOR, Distributor (also Knock Sensor)
13586114
CONNECTOR, SENSOR-KNOCK(PART OF 1)(BLACK)(ACCEPTS 1.5MM TERMS)(2-WAY FEMALE)(METRI-PACKING 150 SERIES)(W/LEADS)(1.203)
Fitting Vehicle Options: CK1,2,3
$49.12 $26.03
1
Add To Cart
12102621
CONNECTOR, SENSOR-KNOCK(ENGINE HARNESS)(PART OF 1)(GRAY)(1-WAY MALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: CK1,2,3
- Require Quantity: 02
- Package Quantity: 1
$32.02 $16.97
1
Add To Cart
13585316
CONNECTOR, CAMSHAFT POSITION SENS(W/O SIDE TABS)(PART OF 1)(BLACK)(3-WAY FEMALE)(W/LEADS)(2.535)
- Fitting Vehicle Options: CK1,2,3
$55.62 $29.48
1
Add To Cart
15306120
CONNECTOR, SENSOR-CRANKSHAFT POSITION(PART OF 1)(NATURAL)(3-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$58.27 $30.88
1
Add To Cart
15306376
CONNECTOR, SENSOR-KNOCK(PART OF 1)(1-WAY FEMALE)(W/LEADS)(METRI-PACK 150)
- Fitting Vehicle Options: CK2,3(L18)
- Require Quantity: 02
- Package Quantity: 1
- Replaced By: 19332518
$36.24 $20.20
1
Add To Cart
88987997
CONNECTOR, CAMSHAFT POSITION SENS(PART OF 1)(GRAY)(3-WAY FEMALE)(W/LEADS)(3.682)
- Fitting Vehicle Options: CK2,3(L18)
$70.50 $37.37
1
Add To Cart

CONNECTOR, Engine Oil Level
13586114
CONNECTOR, SENSOR-ENGINE OIL LEVEL(PART OF 1)(BLACK)(ACCEPTS 1.5MM TERMS)(2-WAY FEMALE)(METRI-PACKING 150 SERIES)(W/LEADS)(1.203)
Fitting Vehicle Options: CK1,2,3
$49.12 $26.03
1
Add To Cart
88953151
CONNECTOR, SENSOR-ENGINE OIL LEVEL(PART OF 1)(NATURAL)(2-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK2,3(L18)

CONNECTOR, Generator
15306071
CONNECTOR, GENERATOR(NATURAL)(1-WAY FEMALE)(W/LEADS)
Fitting Vehicle Options: CK2,3
$24.98 $13.24
1
Add To Cart
15306071
CONNECTOR, GENERATOR(PART OF 1)(NATURAL)(1-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK2,3
$24.98 $13.24
1
Add To Cart
15306329
CONNECTOR, GENERATOR(BEIGE)(2-WAY FEMALE)(4-WAY BASE W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$50.66 $26.85
1
Add To Cart
15306329
CONNECTOR, GENERATOR(PART OF 1)(BEIGE)(2-WAY FEMALE)(4-WAY BASE W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$50.66 $26.85
1
Add To Cart
15306009
CONNECTOR, GENERATOR(BLACK)(4-WAY FEMALE METRI-PACK 150)(W/LEADS)(OVAL)(2.530)
- Fitting Vehicle Options: CK1,2
$59.68 $33.27
15306009
CONNECTOR, GENERATOR(PART OF 1)(BLACK)(4-WAY FEMALE METRI-PACK 150)(W/LEADS)(OVAL)(2.530)
- Fitting Vehicle Options: CK1,2
$59.68 $33.27

CONNECTOR, Computer Control Sensors
88987993
CONNECTOR, SENSOR-VEHICLE SPEED(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
Fitting Vehicle Options: CK1,2,3
$81.18 $36.37
1
Add To Cart
88987993
CONNECTOR, SENSOR-VEHICLE SPEED(PART OF 1)(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
- Fitting Vehicle Options: CK1,2,3
$81.18 $36.37
1
Add To Cart
88953157
CONNECTOR, SENSOR-MASS AIRFLOW(WHITE)(5-WAY FEMALE 090II SEALED)(W/LEADS)
- Fitting Vehicle Options: CK2,3(LB7,ML6,M74)
$72.54 $38.45
1
Add To Cart
15306113
CONNECTOR, SENSOR-MASS AIRFLOW(SHROUD HAS ROUND EDGES, PURPLE, RECTANGLE)(BLACK)(5-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$68.36 $36.22
1
Add To Cart
15306113
CONNECTOR, SENSOR-MASS AIRFLOW(SHROUD HAS ROUND EDGES, PURPLE, RECTANGLE)(PART OF 1)(BLACK)(5-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$68.36 $36.22
1
Add To Cart
88987997
CONNECTOR, MAP SENS(PART OF 1)(GRAY)(3-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$70.50 $37.37
1
Add To Cart

88987993
CONNECTOR, Coolant Temperature (Engine Unit), CONNECTOR,SENSOR-ENGINE COOLANT TEMPERATURE(GT150)(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
$81.18 $36.37
1
Add To Cart

CONNECTOR, Chassis Electrical
15300003
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(3-WAY MALE)(W/O LEADS)(METRI-PACK 280-BODY ONLY)
Fitting Vehicle Options: K1,2,3
$7.20 $4.57
1
Add To Cart
15300003
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(3-WAY MALE)(W/O LEADS)(METRI-PACK 280-BODY ONLY)
- Fitting Vehicle Options: K1,2,3
$7.20 $4.57
1
Add To Cart
15326843
CONNECTOR, CHASSIS WIRING HARNESS(BLACK)(10-WAY FEMALE)(W/O LEADS)(W/CONNECTOR POSITION ASSURANCE)
- Fitting Vehicle Options: CK1,2,3
$7.72 $4.91
1
Add To Cart
15326843
CONNECTOR, CHASSIS WIRING HARNESS(PART OF 1)(BLACK)(10-WAY FEMALE)(W/O LEADS)(W/CONNECTOR POSITION ASSURANCE)
- Fitting Vehicle Options: CK1,2,3
$7.72 $4.91
1
Add To Cart
12117025
CONNECTOR, ENGINE WIRING HARNESS(TRANSFER CASE)(BLACK)(3-WAY FEMALE)(W/LEADS)(2.383)
- Fitting Vehicle Options: K1,2,3
$65.94 $34.95
1
Add To Cart
19368859
CONNECTOR, CHASSIS WIRING HARNESS(STARTER MOTOR X1)(GRAY)(4MM2)(1-WAY FEMALE)(W/LEADS)(SIDE ELECTRIC CODE: M64)
- Fitting Vehicle Options: CK1,2,3
$57.66 $30.56
1
Add To Cart
19368859
CONNECTOR, CHASSIS WIRING HARNESS(STARTER MOTOR X1)(PART OF 1)(GRAY)(4MM2)(1-WAY FEMALE)(W/LEADS)(SIDE ELECTRIC CODE: M64)
- Fitting Vehicle Options: CK1,2,3
$57.66 $30.56
1
Add To Cart
12065172
CONNECTOR, CHASSIS WIRING HARNESS(1-WAY FEMALE M/P280)(2.535)
- Fitting Vehicle Options: CK1,2,3
$7.01 $4.46
1
Add To Cart
12065172
CONNECTOR, CHASSIS WIRING HARNESS(PART OF 1)(1-WAY FEMALE M/P280)(2.535)
- Fitting Vehicle Options: CK1,2,3
$7.01 $4.46
1
Add To Cart
12085212
CONNECTOR, ENGINE WIRING HARNESS(BATTERY NEGATIVE)(BLACK)(2-WAY FEMALE)(W/LEADS)(METRI-PACK 480)(2.535)
- Fitting Vehicle Options: CK1,2,3(9L4)
$145.10 $65.00
1
Add To Cart
12102490
CONNECTOR, ENGINE WIRING HARNESS(GRAY)(7-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$83.96 $44.50
1
Add To Cart
12167120
CONNECTOR, ENGINE WIRING HARNESS(FROM KNOCK SENSOR JMP, METRI-PACK 150)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
- Fitting Vehicle Options: CK1,2,3
$62.82 $33.29
1
Add To Cart
12167120
CONNECTOR, CHASSIS WIRING HARNESS(METRI-PACK 150)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
- Fitting Vehicle Options: CK1,2,3
$62.82 $33.29
1
Add To Cart
12167120
CONNECTOR, CHASSIS WIRING HARNESS(METRI-PACK 150)(PART OF 1)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
- Fitting Vehicle Options: CK1,2,3
$62.82 $33.29
1
Add To Cart
13578569
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(GRAY)(22-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
$29.33 $18.64
1
Add To Cart
13578569
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(GRAY)(22-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
$29.33 $18.64
1
Add To Cart
13584094
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(GT150)(BLACK)(6-WAY FEMALE)(W/LEADS)(2.383)
- Fitting Vehicle Options: CK2,3(LB7,L18,ML6,M74)
$41.36 $21.92
1
Add To Cart
13584094
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(GT150)(PART OF 1)(BLACK)(6-WAY FEMALE)(W/LEADS)(2.383)
- Fitting Vehicle Options: CK2,3(LB7,L18,ML6,M74)
$41.36 $21.92
1
Add To Cart
13584253
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(8-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$57.46 $30.45
1
Add To Cart
13584253
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(8-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$57.46 $30.45
1
Add To Cart
13587152
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(8-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK259
$111.26 $49.84
1
Add To Cart
15304692
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(18-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
$6.27 $3.98
1
Add To Cart
15304692
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(18-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
$6.27 $3.98
1
Add To Cart
15305857
CONNECTOR, INLINE-TO TRANS(GRAY)(14-WAY FEMALE)(W/LEADS)(ACTUALLY 20-WAY W/6 CAVITIES MOLDED)
- Fitting Vehicle Options: CK1,2,3
$169.02 $75.72
1
Add To Cart
15305857
CONNECTOR, INLINE-TO TRANS(PART OF 1)(GRAY)(14-WAY FEMALE)(W/LEADS)(ACTUALLY 20-WAY W/6 CAVITIES MOLDED)
- Fitting Vehicle Options: CK1,2,3
$169.02 $75.72
1
Add To Cart
15306348
CONNECTOR, ENGINE WIRING HARNESS(4 END TERMS ARE 2.8MM WIDE AND 12 MIDDLE TERMS ARE 1.5MM WIDE)(BLACK)(16-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$188.64 $84.52
1
Add To Cart
15326829
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(6-WAY FEMALE GT150)(W/O LEADS)(HAS FULL SHROUD)
- Fitting Vehicle Options: CK2,3(LB7,L18,ML6,M74)
- Replaced By: 13584094
$41.36 $21.92
1
Add To Cart
15326829
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(6-WAY FEMALE GT150)(W/O LEADS)(HAS FULL SHROUD)
- Fitting Vehicle Options: CK2,3(LB7,L18,ML6,M74)
- Replaced By: 13584094
$41.36 $21.92
1
Add To Cart
19151490
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(10-WAY MALE)(W/O LEADS)(W/TERMINAL POSITION ASSURANCE & CAVITY PLUG)(13.100)
- Fitting Vehicle Options: CK1,2,3
$25.15 $15.99
1
Add To Cart
19151490
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(10-WAY MALE)(W/O LEADS)(W/TERMINAL POSITION ASSURANCE & CAVITY PLUG)(13.100)
- Fitting Vehicle Options: CK1,2,3
$25.15 $15.99
1
Add To Cart
19151507
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(38-WAY FEMALE)(W/TERMINAL POSITION ASSURANCE,SEAL,CAVITY PLUGS,BRACKET & CM LEVER)
- Fitting Vehicle Options: CK2,3(03-43-53)(LB7,LLY)
$53.63 $34.07
1
Add To Cart
19153767
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(24-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: CK2,3(LLY,LB7)
$38.82 $23.47
1
Add To Cart
19167005
CONNECTOR, CHASSIS WIRING HARNESS(BLACK)(24-WAY MALE)(W/CAVITY PLGS,TPAS & PILLAR)(W/O LEADS)
- Fitting Vehicle Options: CK1,2
$36.08 $22.92
1
Add To Cart
19167005
CONNECTOR, CHASSIS WIRING HARNESS(PART OF 1)(BLACK)(24-WAY MALE)(W/CAVITY PLGS,TPAS & PILLAR)(W/O LEADS)
- Fitting Vehicle Options: CK1,2
$36.08 $22.92
1
Add To Cart
19181245
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(2IN WIDE, METRI-PACK 150/280)(BLACK)(16-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
$8.20 $4.57
1
Add To Cart
19181245
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(2IN WIDE, METRI-PACK 150/280)(PART OF 1)(BLACK)(16-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
$8.20 $4.57
1
Add To Cart
19328670
CONNECTOR, INLINE-TO TRANS(BLACK)(20-WAY FEMALE)(W/O LEADS)(MAY NEED WIRE 13582227)
- Fitting Vehicle Options: CK2,3(M74)
$66.38 $37.01
1
Add To Cart
19328670
CONNECTOR, INLINE-TO TRANS(PART OF 1)(BLACK)(20-WAY FEMALE)(W/O LEADS)(MAY NEED WIRE 13582227)
- Fitting Vehicle Options: CK2,3(M74)
$66.38 $37.01
1
Add To Cart
19367637
CONNECTOR, CHASSIS WIRING HARNESS(BLACK)(1.5MM2)(8-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK259
$108.94 $48.81
1
Add To Cart
19367637
CONNECTOR, CHASSIS WIRING HARNESS(PART OF 1)(BLACK)(1.5MM2)(8-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK259
$108.94 $48.81
1
Add To Cart
19368866
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(METRI-PACK 150)(BLACK)(2MM2)(6-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$59.16 $32.98
1
Add To Cart
19368866
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(METRI-PACK 150)(PART OF 1)(BLACK)(2MM2)(6-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$59.16 $32.98
1
Add To Cart
84779454
CONNECTOR, ENGINE WIRING HARNESS(BLACK)(1.5MM2)(6-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK2,3(03-43-53)
$79.04 $44.06
1
Add To Cart
88986245
CONNECTOR, CHASSIS WIRING HARNESS(GT280)(BLACK)(10-WAY MALE)(W/LEADS, GT280)
- Fitting Vehicle Options: CK1,2
$254.66 $79.14
1
Add To Cart
88986245
CONNECTOR, CHASSIS WIRING HARNESS(GT280)(PART OF 1)(BLACK)(10-WAY MALE)(W/LEADS, GT280)
- Fitting Vehicle Options: CK1,2
$254.66 $79.14
1
Add To Cart
88986252
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(12-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$298.32 $188.76
1
Add To Cart
88986252
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(12-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$298.32 $188.76
1
Add To Cart
88986267
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM FUSE BLOCK BRAKE JUMPER)(BLACK)(34.6MM WIDE)(12-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$280.80 $177.67
1
Add To Cart
88986267
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM FUSE BLOCK BRAKE JUMPER)(PART OF 1)(BLACK)(34.6MM WIDE)(12-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
$280.80 $177.67
1
Add To Cart
88987998
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(YELLOW)(4-WAY MALE)(METRI-PACK 280)(W/LEADS)(16.712)
- Fitting Vehicle Options: CK1,2,3
- Require Quantity: 02
- Package Quantity: 1
$112.58 $50.43
1
Add To Cart
88987998
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(YELLOW)(4-WAY MALE)(METRI-PACK 280)(W/LEADS)(16.712)
- Fitting Vehicle Options: CK1,2,3
- Require Quantity: 02
- Package Quantity: 1
$112.58 $50.43
1
Add To Cart
88988307
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(40-WAY MALE)(W/O LEADS)(W/CAM LEVER, TERMINAL POSITION ASSURANCE & STABLZR)
- Fitting Vehicle Options: CK1,2,3
$42.82 $22.69
1
Add To Cart
88988307
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(40-WAY MALE)(W/O LEADS)(W/CAM LEVER, TERMINAL POSITION ASSURANCE & STABLZR)
- Fitting Vehicle Options: CK1,2,3
$42.82 $22.69
1
Add To Cart
89046633
CONNECTOR, ENGINE WIRING HARNESS(GT150, FROM 4 WHEEL DRIVE HARNESS)(BLACK)(2-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: K1,2,3(NP1,NP2,NP8)
$66.44 $37.04
1
Add To Cart
15306125
CONNECTOR, CHASSIS WIRING HARNESS(BLUE)(12-WAY MALE)(W/LEADS)(GT150/280)
- Fitting Vehicle Options: CK1,2,3
15306125
CONNECTOR, CHASSIS WIRING HARNESS(PART OF 1)(BLUE)(12-WAY MALE)(W/LEADS)(GT150/280)
- Fitting Vehicle Options: CK1,2,3
12085487
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(4-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
12085487
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(4-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
12085669
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(1-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
12085669
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(1-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
12129135
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(BLACK)(4-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
12129135
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(BLACK)(4-WAY MALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
12129490
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM LH FRONT DOOR)(BLACK)(3-WAY MALE)(W/O LEADS)(CLIP SLOT)
- Fitting Vehicle Options: CK1,2
12129490
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM LH FRONT DOOR)(PART OF 1)(BLACK)(3-WAY MALE)(W/O LEADS)(CLIP SLOT)
- Fitting Vehicle Options: CK1,2
12160782
CONNECTOR, ENGINE WIRING HARNESS(20-WAY M)(W/O LEADS)
- Fitting Vehicle Options: CK2(MN8)
15306199
CONNECTOR, ENGINE WIRING HARNESS(12-WAY FEMALE)(W/LEADS)(GT150,280)
- Fitting Vehicle Options: CK1,2,3
15306231
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(GRAY)(24-WAY MALE W/O LEADS)(9.656)
- Fitting Vehicle Options: CK1,2,3
15306231
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(GRAY)(24-WAY MALE W/O LEADS)(9.656)
- Fitting Vehicle Options: CK1,2,3
15306371
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM HEADLINING HARNESS, GT150)(BLACK)(16-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
15306371
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(FROM HEADLINING HARNESS, GT150)(PART OF 1)(BLACK)(16-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
19260871
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(SEAT HARNESS TO BODY HARNESS, GT150/280)(16-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
19260871
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(SEAT HARNESS TO BODY HARNESS, GT150/280)(PART OF 1)(16-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
88953290
CONNECTOR, CHASSIS WIRING HARNESS(NATURAL)(12-WAY MALE W/LEADS)
- Fitting Vehicle Options: CK1,2,3
88953290
CONNECTOR, CHASSIS WIRING HARNESS(PART OF 1)(NATURAL)(12-WAY MALE W/LEADS)
- Fitting Vehicle Options: CK1,2,3
88987501
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(12-WAY MALE GT)(W/O LEADS)
- Fitting Vehicle Options: K1,2,3
88987501
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(PART OF 1)(12-WAY MALE GT)(W/O LEADS)
- Fitting Vehicle Options: K1,2,3
88988438
CONNECTOR, ENGINE WIRING HARNESS(12-WAY FEMALE)(W/O LEADS)(GT 150/280)
- Fitting Vehicle Options: CK1,2,3

11502848
NUT, Hexagon, NUT,HEXAGON STYLE M5X.8X4.45(TO STARTER)(PART OF 1)
- Replaced By: 11609467
$5.17 $3.29
1
Add To Cart

12101937
CONNECTOR, A/C Compressor Clutch Actuating, CONNECTOR,COIL-A/C CLUTCH(GRAY)(2-WAY FEMALE)(W/LEADS)(2.535)
$41.04 $21.75
1
Add To Cart

CONNECTOR, Wiring Junction
19167008
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(BLUE)(8-WAY FEMALE)(SEALED)(W/LEADS)(14GA WIRES)(13.100)
Fitting Vehicle Options: CK1,2,3
$104.46 $32.47
1
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12167120
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(METRI-PACK 150)(PART OF 1)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
- Fitting Vehicle Options: CK1,2,3(03-43-53)(LB7,LM7,LQ4,LR4,L18,L59)
$62.82 $33.29
1
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12167120
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
- Fitting Vehicle Options: CK1,2,3(03-43-53)
$62.82 $33.29
1
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15306133
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(METRI-PACK 480)(PART OF 1)(BLACK)(2-WAY MALE)(W/LEADS)(9.276)
- Fitting Vehicle Options: CK1,2,3
$45.02 $23.86
1
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88988814
CONNECTOR, FUEL INJECTOR(1IN)(PART OF 1)(BLACK)(2-WAY FEMALE)(W/LEADS)(MICRO 064)
- Fitting Vehicle Options: CK1,2,3(LM7,LR4,LQ4,LQ9,L18)
- Require Quantity: 08
- Package Quantity: 1
$57.66 $30.56
1
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12193929
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(GREEN)(6-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
15306105
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(CREAM)(6 WAY FEMALE)(LEADS)
- Fitting Vehicle Options: CK1,2,3
15306106
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(BROWN)(6-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3(V92,Z82)
15306107
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(BLACK)(6-WAY FEMALE)(W/LEADS)(2.530)
- Fitting Vehicle Options: CK1,2,3
19115428
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(BLACK)(68-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
19167006
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(GREEN)(32-WAY FEMALE)(UNSEALED)(W/O LEADS)(W/TPAS)
- Fitting Vehicle Options: CK1,2,3
19167007
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(RED)(32-WAY FEMALE)(UNSEALED)(W/O LEADS)(W/TPAS)
- Fitting Vehicle Options: CK1,2,3
88986446
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(2-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: CK1,2,3
88988945
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(LIGHT GRAY)(68-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3
89046826
CONNECTOR, BLOCK-ACCESSORY WIRING JUNCTION(PART OF 1)(BROWN)(12-WAY FEMALE)(W/O LEADS)
- Fitting Vehicle Options: CK1,2,3

CONNECTOR, Emission Control System
15306027
CONNECTOR, SOLENOID-EGR VALVE(PART OF 1)(LIGHT GRAY)(5-WAY FEMALE)(W/LEADS)(W/COVER)(2.530)
Fitting Vehicle Options: CK2,3
$61.42 $32.55
1
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12167308
CONNECTOR, POWERTRAIN CONTROL MODULE(TO BLACK ENAMEL HIGH COMPRESSION WHEN PART # AVAIL)(INCLUDES SEAL,COVER,RETS)(W/O LEADS)(80-WAY FEMALE USE TERMINAL 12084912 18 GAGE & TERMINAL 12084913 20 GAGE)
- Fitting Vehicle Options: CK1,2,3
- Require Quantity: 02
- Package Quantity: 1
$78.31 $49.77
12167308
CONNECTOR, POWERTRAIN CONTROL MODULE(ENGINE HARNESS)(INCLUDES SEAL,COVER,RETS)(W/O LEADS)(80-WAY FEMALE USE TERMINAL 12084912 18 GAGE & TERMINAL 12084913 20 GAGE)
- Fitting Vehicle Options: CK2,3(LB7)
- Require Quantity: 02
- Package Quantity: 1
$78.31 $49.77
12167308
CONNECTOR, POWERTRAIN CONTROL MODULE(PART OF 1)(INCLUDES SEAL,COVER,RETS)(W/O LEADS)(80-WAY FEMALE USE TERMINAL 12084912 18 GAGE & TERMINAL 12084913 20 GAGE)
- Fitting Vehicle Options: CK1,2,3
- Require Quantity: 02
- Package Quantity: 1
$78.31 $49.77

13580883
CONNECTOR, Ignition Coil, CONNECTOR,COIL-IGNITION(ENGINE HARNESS)(PART OF 1)(GRAY)(7-WAY FEMALE)(W/LEADS)(2.530)
- Require Quantity: 02
- Package Quantity: 1
$97.28 $43.58
1
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CONNECTOR, Throttle Control
15305916
CONNECTOR, MOTOR-THROTTLE ACTUATOR(PART OF 1)(BLACK)(10-WAY FEMALE)(W/LEADS)(3.885)
Fitting Vehicle Options: CK2
$145.45 $65.16
1
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19367637
CONNECTOR, MOTOR-THROTTLE ACTUATOR(PART OF 1)(BLACK)(1.5MM2)(8-WAY FEMALE)(W/LEADS)(2.530)
- Fitting Vehicle Options: CK1,2,3
$108.94 $48.81
1
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19368669
CONNECTOR, Engine Oil Pressure/Temperature, CONNECTOR,ENGINE OIL PRESSURE GAGE SENSOR(ROUND)(PART OF 1)(BLACK)(0.75MM)(3-WAY FEMALE)(W/LEADS)(2.530)
$57.66 $30.56
1
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12085485
CONNECTOR, Back Up Lamp, CONNECTOR,SWITCH-BACK UP LAMP(PART OF 1)(BROWN)(2-WAY MALE)(W/LEADS)(2.535)
$34.71 $19.37
1
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CONNECTOR, Electronic Brake Control
88987977
CONNECTOR, ELECTRONIC TRACTION CONTROL MODULE(PART OF 1)(16-WAY F W/O LEADS INCLUDES CONNECT,TERMINAL POSITION ASSURANCE,CONNECTOR POSITION ASSURANCE,CABLE & STRAIN RELIEF LOCATING)(3.670)
Fitting Vehicle Options: CK1,2,3
$49.60 $26.29
1
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12117372
CONNECTOR, ELECTRONIC TRACTION CONTROL MODULE(PART OF 1)(BLACK)(10-WAY MALE)(W/ LEADS)(2.530)
- Fitting Vehicle Options: CK2,3

12355066
STRAP, Fuse, STRAP,WIRING HARNESS
$0.42 $0.25
25
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15305887
CONNECTOR, Transmission Safety Start/Warning, CONNECTOR,SWITCH-PARKING/NEUTRAL POSITION & BACK UP LAMP(GRAY)(7-WAY FEMALE)(W/LEADS)
$175.32 $78.55
1
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CONNECTOR, Safety Starting Switch Or Speed Sensing
15305887
CONNECTOR, SWITCH-PARKING/NEUTRAL POSITION(PART OF 1)(GRAY)(7-WAY FEMALE)(W/LEADS)
Fitting Vehicle Options: CK2,3(L18)
$175.32 $78.55
1
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88987185
CONNECTOR, SWITCH-PARKING/NEUTRAL POSITION & BACK UP LAMP(BLACK)(4-WAY FEMALE)(W/LEADS)(2.530)
- Fitting Vehicle Options: CK1,2,3
$106.24 $56.30
1
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88987185
CONNECTOR, SWITCH-PARKING/NEUTRAL POSITION(PART OF 1)(BLACK)(4-WAY FEMALE)(W/LEADS)(2.530)
- Fitting Vehicle Options: CK2,3(L18)
$106.24 $56.30
1
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15306119
CONNECTOR, Multi Port Fuel Injection Throttle Position, CONNECTOR,SENSOR-THROTTLE POSITION(PART OF 1)(GRAY)(10-WAY FEMALE)(W/LEADS)(2.530)
$98.18 $52.02
1
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CONNECTOR, A/C Compressor (Internal Parts)

19368034
CONNECTOR, SWITCH-A/C CYCLING SWITCH(GRAY)(2-WAY FEMALE)(W/LEADS)(2.530)
$47.86 $25.37
1
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19368034
CONNECTOR, SWITCH-A/C CYCLING SWITCH(PART OF 1)(GRAY)(2-WAY FEMALE)(W/LEADS)(2.530)
$47.86 $25.37
1
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19368034
CONNECTOR, Radiator Tank, CONNECTOR,SWITCH-ENGINE COOLANT LEVEL(GRAY)(2-WAY FEMALE)(W/LEADS)(2.530)
$47.86 $25.37
1
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19368864
CONNECTOR, A/C Electric Temperature and Motor Control, CONNECTOR,MODULE-BLOWER MOTOR CONTROL(PART OF 1)(BLACK)(2.5MM2)(3-WAY FEMALE)(W/LEADS)(2.530)
$61.94 $32.83
1
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RETAINER, Chassis/Engine Wiring Harness
12129024
RETAINER, ECM WIRING HARNESS CONNECT(PART OF 1)(RED)(USE W/32-WAY CONNECT)
Fitting Vehicle Options: CK2,3(L18,LB7,M74,ML6)
12129030
RETAINER, ECM WIRING HARNESS CONNECT(PART OF 1)(GRAY)(STRAIN RELIEF)
- Fitting Vehicle Options: CK2,3(L18,LB7,M74,ML6)
- Require Quantity: 02
- Package Quantity: 1
12176408
RETAINER, ECM WIRING HARNESS CONNECT(PART OF 1)(BLUE)(RETAINS 40-WAY CONNECT)
- Fitting Vehicle Options: CK1,2,3
- Require Quantity: 02
- Package Quantity: 1

HARNESS, Engine Wiring
15192290
HARNESS, ENGINE WIRING(INCLUDES 2-32)
Fitting Vehicle Options: CK2,3(L18,ML6,NF4,NF9,NT9)(EXC PTO)
15192293
HARNESS, ENGINE WIRING(INCLUDES 2-32)
- Fitting Vehicle Options: CK2(L18,MN8,NC1)
15192297
HARNESS, ENGINE WIRING(INCLUDES 2-32)
- Fitting Vehicle Options: CK2,3(L18,M74,NC1,NC8)(EXC PTO), CK2,3(L18,M74,NF4,NF9,NT9)(EXC PTO)
15192299
HARNESS, ENGINE WIRING(INCLUDES 6,7)
- Fitting Vehicle Options: CK2,3(LB7,ML6,KG3,K68)(EXC PTO)
15192303
HARNESS, ENGINE WIRING(INCLUDES 6,7)
- Fitting Vehicle Options: CK2,3(LB7,M74,K65,YF2), CK2,3(LB7,M74,KG3,K68)(EXC PTO,YF2), CK2,3(LB7,M74,8X5)(EXC PTO)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 GMC Sierra 2500 4WD parts. Parts like Wiring Harness/Engine 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 STANDARD BOX, 2500 REGULAR CAB.