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

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  •  
    BOLT, Hex Make Sure These Fit  
  • Chevrolet 11514623
    BOLT, HEXAGON W/CONICAL WASHER,M6X1X20(ENGINE WIRING HARNESS CLIP)
    $1.78
    $1.14
  • Chevrolet 11561048
    BOLT, HEXAGON W/FLAT WASHER-3/8-16X.625,.82 OUTSIDE DIAMETER,GM275 STEEL, GMW3200 FINISH(ENGINE WIRING HARNESS GROUND)
    Require Quantity: 02
    Package Quantity: 1
    $4.12
    $2.63
  • Chevrolet 11515755
    BOLT, HEXAGON,M8X1.25X16,15 THREAD,18 O.D.,10.9,7114M(ENGINE WIRING HARNESS GROUND)(TOGETHER WITH 12345493 REPLCS 25534835)
    Require Quantity: 02
    Package Quantity: 1
    $5.88
    $3.75
  •  
    HARNESS, Engine Wiring Make Sure These Fit  
  • Chevrolet 15192320
    HARNESS, ENGINE WIRING
    Fitting Vehicle Options: CK1(03-53)(LU3,M30,8B0), CK1(LU3,M30)(EXC 8B0)
    $1531.31
    $977.59
  • Chevrolet 15192310
    HARNESS, ENGINE WIRING(INCLUDES 6)
    Fitting Vehicle Options: CK1(L59)
    $1304.32
    $832.68
  •  
    NUT, Hexagon Make Sure These Fit  
  • Chevrolet 11502848
    NUT, HEXAGON STYLE M5X.8X4.45(ENGINE WIRING HARNESS START MOTOR LEAD)
    Replaced by: 11609467
    $4.19
    $2.68
  • Chevrolet 11609467
    NUT, HEXAGON, M5X0.8, 4.55 THICK, 5 STEEL, GMW3200(ENGINE WIRING HARNESS START MOTOR LEAD)
    $4.19
    $2.68
  • Chevrolet 21075686
    RETAINER, Grooved
    RETAINER,PUSH PINION W/SEAL,FITS 8.0-8.25 DIAMETER HOLE IN 3-7MM THICK PANEL(SECONDARY OXYGEN SENSOR WIRING HARNESS)
    Require Quantity: 03
    Package Quantity: 1
    Replaced by: 11561878
    $1.73
    $1.11
  • Chevrolet 19130464
    STRAP, Fuse
    STRAP,TIE 0.38" WIDTH,BUNDLE DIAMETER 1/16"-1-3/4", 8.27" LENGTH,NYLON 6/6 FITS 0.(OXYGEN SENSOR WIRE)
    $1.19
    $0.76
  •  
    Standard Parts Make Sure These Fit  
  • Chevrolet 1470030
    CLAMP, WORM TYPE(11/16" TO 1 5/16")(ENGINE WIRING HARNESS CLIP)
    $4.40
    $2.96
  • Chevrolet 3530297
    NUT, HEX FLANGED HEAD,M6X1,5.85THK,14.2 O.D.,10,ZINC ORGANIC(ENGINE WIRING HARNESS BRACKET)
    $2.81
    $1.79
  • Chevrolet 11609411
    NUT, HEXAGON W/CONICAL WASHER,M6X1,5.7 THICK,16 OUTSIDE DIAMETER,9,GMW3200(ENGINE WIRING HARNESS RETAINER)
    $0.57
    $0.37
  • Chevrolet 11610394
    STUD-HEX FLANGED HEAD, 3/8-16X.6,3/8-16X.75,1.71 TL, 9.8 STEEL, GMW3200(ENGINE WIRING HARNESS BRACKET)
    $4.52
    $2.89
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/Engine 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: 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.
 
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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.