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Parts found for 2003 Chevrolet Silverado 1500 HD 4WD > Starter, Generator, Ignition, Electrical, Lamps > Wiring Harness/Auxiliary

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  •  
    HARNESS, Chassis Wiring Make Sure These Fit  
  • GM 15185802
    HARNESS, CLUTCH PEDAL POSITION SWITCH WIRING
    Fitting Vehicle Options: CK1(03-53)(LU3,MG5,5X7)(EXC 9L4), CK1(03-53)(LU3,MG5,5Y0)(EXC 9L4), CK1(03-53)(LU3,MG5,9L4), CK1,2,3(LB7,LM7,LQ4,LR4,L18,L59,MG5,MW3,5X7)(EXC 9L4), CK1,2,3(LB7,LM7,LQ4,LR4,L18,L59,MG5,MW3,5Y0)(EXC 9L4), CK1,2,3(LB7,LM7,LQ4,LR4,L18,L59,MG5,MW3,9L4), CK1,2,3(LB7,LM7,LQ4,LR4,L18,L59,ML6,5X7)(EXC 9L4), CK1,2,3(LB7,LM7,LQ4,LR4,L18,L59,ML6,5Y0)(EXC 9L4), CK1,2,3(LB7,LM7,LQ4,LR4,L18,L59,ML6,9L4), CK1,2,3(MG5,MW3,5X7)(EXC 5Y0,9L4), CK1,2,3(MG5,MW3,5Y0)(EXC 9L4), CK1,2,3(ML6,5X7)(EXC 5Y0,9L4), CK1,2,3(ML6,5Y0)(EXC 9L4)
    $243.52
    $155.47
    Ships in 1-3 Business Days
  • GM 15188293
    HARNESS, CLUTCH PEDAL POSITION SWITCH WIRING
    Fitting Vehicle Options: CK1(MG5,FW1,Z71), CK1(MG5,ZX3), CK1,2,3(MG5,MW3,TRW)(EXC 9L4), CK1,2,3(ML6,TRW)(EXC 9L4)
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  • GM 15746765
    HARNESS, EMERGENCY VEHICLE ROOF LAMP RELAY WIRING(INCLUDES 8,9)
    Fitting Vehicle Options: CK1,2,359(5Y0)
    $105.42
    $67.30
    Ships in 1-3 Business Days
  • GM 15759579
    HARNESS, EMERGENCY VEHICLE ROOF LAMP RELAY WIRING(INCLUDES 8,9)
    Fitting Vehicle Options: CK360,364(5Y0)
    $103.05
    $65.79
    Ships in 1-3 Business Days
  • GM 12171974
    HARNESS, EMERGENCY VEHICLE ROOF LAMP SWITCH WIRING
    Fitting Vehicle Options: CK1,2,3(5G4)(EXC 5Y0), CK1,2,3(5X7)(EXC TRW,5G4,5Y0), CK1,2,3(5Y0), CK1,2,3(TRW)(EXC 5G4,5Y0)
    $59.90
    $38.24
    Ships in 1-3 Business Days
  • GM 12172122
    HARNESS, EMERGENCY VEHICLE ROOF LAMP WIRING HARNESS EXTENSION(INCLUDES 5-7)
    Fitting Vehicle Options: CK1,2(06-36)(5G4)(EXC TRW), CK1,2(06-36)(TRW)
    $83.09
    $53.05
    Ships in 1-3 Business Days
  • GM 12172697
    HARNESS, EMERGENCY VEHICLE ROOF LAMP WIRING HARNESS EXTENSION(INCLUDES 5-7)
    Fitting Vehicle Options: CK2,3(43)(5G4), K2,3(43)(TRW)
    $93.03
    $59.38
  • GM 15090202
    HARNESS, EMERGENCY VEHICLE ROOF LAMP WIRING HARNESS EXTENSION(INCLUDES 5-7)
    Fitting Vehicle Options: CK1,2,3(03)(5G4)(EXC TRW), CK1,2,3(03)(TRW)
    --
    --
  • GM 15090203
    HARNESS, EMERGENCY VEHICLE ROOF LAMP WIRING HARNESS EXTENSION(INCLUDES 5-7)
    Fitting Vehicle Options: CK1,2,3(53)(5G4)(EXC TRW), CK1,2,3(53)(TRW)
    $110.96
    $70.84
  • GM 15102063
    HARNESS, FUSE BLOCK WIRING
    Fitting Vehicle Options: CK1,2(06-36)(MN8,MT1,M30,M32,JF4)(EXC 9L4)
    $260.30
    $166.17
    Ships in 1-3 Business Days
  • GM 15185801
    HARNESS, FUSE BLOCK WIRING
    Fitting Vehicle Options: CK1(03-53)(LU3,M30,5X7)(EXC 9L4), CK1(03-53)(LU3,M30,5Y0)(EXC 9L4), CK1(03-53)(LU3,M30,9L4), CK1,2(06)(9L4), CK1,2,3(03-43-53)(LB7,LM7,LQ4,LR4,L18,L59,MT1,M30,M74,5X7)(EXC 9L4), CK1,2,3(03-43-53)(LB7,LM7,LQ4,LR4,L18,L59,MT1,M30,M74,5Y0)(EXC 9L4), CK1,2,3(03-43-53)(LB7,LM7,LQ4,LR4,L18,L59,MT1,M30,M74,9L4), CK1,2,3(MN8,MT1,M30,M74,5X7)(EXC 5Y0,9L4), CK1,2,3(MN8,MT1,M30,M74,5Y0)(EXC 9L4)
    $501.69
    $165.41
    Ships in 1-3 Business Days
  • GM 15192026
    HARNESS, FUSE BLOCK WIRING
    Fitting Vehicle Options: CK2(MT1,KL6)
    $281.88
    $179.95
  • GM 15193338
    HARNESS, FUSE BLOCK WIRING
    Fitting Vehicle Options: CK1(MT1,M30,FW1,Z71), CK1(MT1,M30,M32,ZX3), CK1,2,3(MN8,MT1,M30,M74,TRW)(EXC JF4,9L4), CK1,2,3(MN8,MT1,M30,M74,TRW)(EXC JF4,KL6,9L4)
    $72.19
    $46.09
    Ships in 1-3 Business Days
  •  
    HOUSING, Accessory Switch(Multi-Function) Make Sure These Fit  
  • GM 15207878
    HOUSING, ACCESSORY SWITCH(INCLUDES 3)(EBONY)(4-SWITCH HOUSING)
    Fitting Vehicle Options: CK2(KL6), CK360,364(03-53)(PTO), CK360,364(PTO)
    $5.65
    $3.17
    Ships in 1-3 Business Days
  • GM 15207878
    HOUSING, ACCESSORY SWITCH(INCLUDES 8)(EBONY)(4-SWITCH HOUSING)
    Fitting Vehicle Options: CK2(KL6), CK360,364(03-53)(PTO)
    $5.65
    $3.17
    Ships in 1-3 Business Days
  • GM 11509226
    NUT, Hexagon
    NUT,HEXAGON W/CONICAL WASHER,M8X1.25,7.5THK,19 O.D.,9,ZINC(ACCESSORY POWER FUSE BLOCK FRONT WIRING HARNESS)
    Replaced by: 11609412
    $4.89
    $3.11
    Ships in 1-3 Business Days
  •  
    RELAY, Chassis/Body Marker/Hazard Make Sure These Fit  
  • GM 12177233
    RELAY, EMERGENCY VEHICLE ROOF LAMP(CODE 3601)(PART OF 1)(INCLUDES 7)(SHROUDED)(W/RESISTOR)(SPDT 280 MINI)(FOR 4-TERMINAL APP CUT OFF CENTER TERMINAL LABELED 87A)(9.277)
    Fitting Vehicle Options: CK1,2,359(5G4)
    Replaced by: 19118886
    $49.39
    $27.65
  • GM 12177233
    RELAY, EMERGENCY VEHICLE ROOF LAMP(PART OF 6)(SHROUDED)(W/RESISTOR)(SPDT 280 MINI)(FOR 4-TERMINAL APP CUT OFF CENTER TERMINAL LABELED 87A)(9.277)
    Fitting Vehicle Options: CK360,364(5Y0)(EXC NQZ)
    Replaced by: 19118886
    $49.39
    $27.65
  • GM 12135005
    RELAY, EMERGENCY VEHICLE ROOF LAMP(PART OF 6)(W/BRACKET)(2.694)
    Fitting Vehicle Options: CK1,2,359(5Y0)
    Replaced by: 12193601
    $49.39
    $27.65
    Ships in 1-3 Business Days
  •  
    SWITCH, Stop Lamp Switch Make Sure These Fit  
  • GM 15128592
    SWITCH, STOP LAMP
    Fitting Vehicle Options: CK1,2(JF4)
    $26.28
    $14.70
    Ships in 1-3 Business Days
  • GM 15128874
    SWITCH, STOP LAMP
    Fitting Vehicle Options: CK1,2,3(EXC JF4)
    $42.16
    $23.58
    Ships in 1 Business Day
  •  
    Standard Parts Make Sure These Fit  
  • GM 11588650
    CLIP, 12X14X16.6,GM4345M(PART OF 2)
    $4.56
    $2.91
    Ships in 1-3 Business Days
  • GM 11609411
    NUT, HEXAGON W/CONICAL WASHER,M6X1,5.7 THICK,16 OUTSIDE DIAMETER,9,GMW3200(BODY GROUND STRAP)
    $0.57
    $0.37
  • GM 10121502
    RETAINER, FITS .250 HOLE,1.01LG.700-OUTSIDE DIAMETER NYLON BLACK(PART OF 1)
    $1.08
    $0.68
  • GM 10121502
    RETAINER, FITS .250 HOLE,1.01LG.700-OUTSIDE DIAMETER NYLON BLACK(PART OF 6)
    $1.08
    $0.68
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the lowest prices for genuine 2003 Chevrolet Silverado 1500 HD 4WD parts. Parts like Wiring Harness/Auxiliary are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L. Model Code: 1/2 TON, 1500 CREW CAB LONG BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3/4 TON, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, 4 DOOR 1/2 TON.
 
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This part is a packaged part and contains multiple quantities of: (Pack Qty: 4)

This part is a packaged part and contains multiple quantities of the same item. In an effort to simplify packaging GM will sometimes include multiple parts in a package.