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Parts found for 2003 Chevrolet Silverado 1500 HD 2WD > Starter, Generator, Ignition, Electrical, Lamps > Wiring Harness/Accessory Power Supply

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  • GM 88986310
    BLOCK, Wiring Junction
    BLOCK,INSTRUMENT PANEL WIRING HARNESS JUNCTION(LOCATED RH SIDE OF INSTRUMENT PANEL)(PART OF 1)(48-WAY MALE)(W/O LEADS)
    $29.30
    $18.70
    Ships in 1-3 Business Days
  • GM 11589012
    BOLT, Hex
    BOLT,HEX WASHER HEAD,M4.2X1.41X25, 16.4 THREAD, 12.5 OUTSIDE DIAMETER, GM6010M STEEL, GMW4205(ACCESSORY POWER FUSE BLOCK REAR WIRING HARNESS EXTENSION HARNESS BRACKET)(9.665)
    Require Quantity: 02
    Package Quantity: 1
    $1.08
    $0.69
  • GM 12077530
    CLIP, Wiring Junction
    CLIP,FUSE BLOCK COVER(PART OF 1)
    Require Quantity: 02
    Package Quantity: 1
    $7.97
    $5.08
    Ships in 1-3 Business Days
  •  
    FUSE, Fuse Make Sure These Fit  
  • GM 15383342
    FUSE, MEGA(40 AMP)(BLACK W/SIZE STAMPED IN WHITE ON CASE(PART OF 1)
    $6.09
    $3.89
    Ships in 1-3 Business Days
  • GM 12092075
    FUSE, MINI(30 AMP)(GREEN)(QTY 5(PART OF 1)
    $2.92
    $1.64
    Ships in 1-3 Business Days
  •  
    HARNESS, Chassis Wiring Make Sure These Fit  
  • GM 15055648
    HARNESS, ACCESSORY POWER FUSE BLOCK FRONT WIRING
    Fitting Vehicle Options: CK1,2,3(9L4)
    $37.58
    $23.82
    Ships in 1-3 Business Days
  • GM 15185802
    HARNESS, CLUTCH PEDAL POSITION SWITCH WIRING
    Fitting Vehicle Options: CK1(03-53)(LU3,MG5,9L4), CK1,2,3(LB7,LM7,LQ4,LR4,L18,L59,MG5,MW3,9L4), CK1,2,3(LB7,LM7,LQ4,LR4,L18,L59,ML6,9L4), CK1,2,3(MG5,MW3,9L4)(EXC TRW,5G4,5X7,5Y0), CK1,2,3(ML6,9L4)(EXC TRW,5G4,5X7,5Y0)
    $243.52
    $155.47
    Ships in 1-3 Business Days
  • GM 15185801
    HARNESS, FUSE BLOCK WIRING
    Fitting Vehicle Options: CK1(03-53)(LU3,M30,9L4), CK1,2(06)(9L4), CK1,2,3(03-43-53)(LB7,LM7,LQ4,LR4,L18,L59,MT1,M30,M74,9L4), CK1,2,3(MN8,MT1,M30,M74,9L4)(EXC TR2,5G4,5X7,5Y0)
    $501.69
    $165.41
    Ships in 1-3 Business Days
  •  
    Standard Parts Make Sure These Fit  
  • GM 11516993
    NUT, M4.2X1.41(ACCESSORY POWER FUSE BLOCK REAR WIRING HARNESS EXTENSION HARNESS BRACKET)
    $1.02
    $0.65
  • GM 11609411
    NUT, HEXAGON W/CONICAL WASHER,M6X1,5.7 THICK,16 OUTSIDE DIAMETER,9,GMW3200(CHASSIS REAR WIRING HARNESS JUNCTION BLOCK LEAD)
    $0.57
    $0.37
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the lowest prices for genuine 2003 Chevrolet Silverado 1500 HD 2WD parts. Parts like Wiring Harness/Accessory Power Supply 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 5.7L, 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, 4 DOOR 1/2 TON.
 
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This part contains hazardous material.

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.