Wiring Harness/Engine fit your 2003 Chevrolet Silverado 1500 HD 4WD

My Vehicle Change Vehicle
2003 Chevrolet Silverado 1500 HD 4WD
My Vehicle Change Vehicle
2003 Chevrolet Silverado 1500 HD 4WD
Categories Close X

You have 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
Transfer Case
Transmission - Automatic
Transmission - Manual
Categories Close X

You have 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
Transfer Case
Transmission - Automatic
Transmission - Manual
Sort by:
Recommended
Part No. & Part Description
Price
Part No. &
Part Description
  • BOLT, Hex
    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
    MSRP: --
    $13.05
    1
    Add To Cart
  • 11514623
    BOLT, HEXAGON W/CONICAL WASHER,M6X1X20(ENGINE WIRING HARNESS CLIP)
    MSRP: $4.03
    $2.56
    10
    Add To Cart
  • 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
    MSRP: $4.96
    $3.16
    1
    Add To Cart
  • 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)
    MSRP: --
    $13.05
    1
    Add To Cart
  • 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:
      10
    • Replaced By:
      11561878
    MSRP: $6.91
    $4.38
    10
    Add To Cart
  • NUT, Hexagon
    Chevrolet 11502848
    11502848
    NUT, HEXAGON STYLE M5X.8X4.45(ENGINE WIRING HARNESS START MOTOR LEAD)
    • Replaced By:
      11609467
    MSRP: $5.03
    $3.20
    1
    Add To Cart
  • Chevrolet 11609467
    11609467
    NUT, HEXAGON, M5X0.8, 4.55 THICK, 5 STEEL, GMW3200(ENGINE WIRING HARNESS START MOTOR LEAD)
    MSRP: $5.03
    $3.20
    1
    Add To Cart
  • HARNESS, Engine Wiring
    Chevrolet 15192310
    15192310
    HARNESS, ENGINE WIRING(INCLUDES 6)
    • Fitting Vehicle Options:
      CK1(L59)
  • Chevrolet 15192313
    15192313
    HARNESS, ENGINE WIRING(INCLUDES 6)
    • Fitting Vehicle Options:
      K1(53)(LQ4,LQ9,M32)
  • Chevrolet 15192320
    15192320
    HARNESS, ENGINE WIRING
    • Fitting Vehicle Options:
      CK1(03-53)(LU3,M30,8B0), CK1(LU3,M30)(EXC 8B0)
  • Chevrolet 15192321
    15192321
    HARNESS, ENGINE WIRING
    • Fitting Vehicle Options:
      CK1(LU3,MG5,TZ0)(EXC 8B0)(EXPORT), CK1(03-53)(LU3,MG5,8B0)
  • 11609411
    NUT, HEXAGON W/CONICAL WASHER,M6X1,5.7 THICK,16 OUTSIDE DIAMETER,9,GMW3200(ENGINE WIRING HARNESS RETAINER)
    MSRP: $2.31
    $1.46
    10
    Add To Cart
  • 3530297
    NUT, HEX FLANGED HEAD,M6X1,5.85THK,14.2 O.D.,10,ZINC ORGANIC(ENGINE WIRING HARNESS BRACKET)
    MSRP: $7.26
    $4.05
    1
    Add To Cart
  • 1470030
    CLAMP, WORM TYPE(11/16" TO 1 5/16")(ENGINE WIRING HARNESS CLIP)
    • Require Quantity:
      02
    • Package Quantity:
      1
    • Replaced By:
      11610236
    MSRP: $7.19
    $4.35
    1
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Silverado 1500 HD 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: 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L. 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.