Wiring Harness/Engine fit your 2003 GMC Sierra 1500 2WD

Currently shopping for

2003 GMC Sierra 1500 2WD

Change Vehicle

Categories Close X

Currently selected

Starter, Generator, Ignition, Electrical, Lamps

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

Transmission - Automatic

Transmission - Manual

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

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
$13.05
1
Add To Cart
11514623
BOLT, HEXAGON W/CONICAL WASHER,M6X1X20(ENGINE WIRING HARNESS CLIP)
$5.34 $3.40
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
$5.10 $3.24
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)
$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
$0.66 $0.43
10
Add To Cart

NUT, Hexagon
11502848
NUT, HEXAGON STYLE M5X.8X4.45(ENGINE WIRING HARNESS START MOTOR LEAD)
Replaced By: 11609467
$5.17 $3.29
1
Add To Cart
11609467
NUT, HEXAGON, M5X0.8, 4.55 THICK, 5 STEEL, GMW3200(ENGINE WIRING HARNESS START MOTOR LEAD)
$5.17 $3.29
1
Add To Cart

15909867
CAP, Chassis Electrical, CAP,ENGINE WIRING HARNESS CONNECT

15735328
NUT, Chassis/Engine Wiring Harness, NUT,ENGINE WIRING HARNESS GROUND
$6.46 $4.09
1
Add To Cart

12193918
COVER, Chassis Electrical, COVER,WIRING HARNESS CONNECT(PART OF 1)

15033674
BRACKET, Chassis/Engine Wiring Harness, BRACKET,ENGINE WIRING HARNESS(COIL)(REAR)(USED ON RH SIDE)

HARNESS, Engine Wiring
15192310
HARNESS, ENGINE WIRING(INCLUDES 6)
Fitting Vehicle Options: CK1(L59)
15192320
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: CK1(LU3,M30)(EXC 8B0), CK1(03-53)(LU3,M30,8B0)
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)
$2.38 $1.51
10
Add To Cart

3530297
NUT, HEX FLANGED HEAD,M6X1,5.85THK,14.2 O.D.,10,ZINC ORGANIC(ENGINE WIRING HARNESS BRACKET)
$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
$7.38 $4.69
1
Add To Cart

11610394
STUD-HEX FLANGED HEAD, 3/8-16X.6,3/8-16X.75,1.71 TL, 9.8 STEEL, GMW3200(ENGINE WIRING HARNESS BRACKET)
$5.61 $3.57
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 GMC Sierra 1500 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 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.