Wiring Harness/Engine LH Side fit your 2003 Chevrolet Trailblazer EXT 2WD

My Vehicle Change Vehicle

2003 Chevrolet Trailblazer EXT 2WD

4-Speed Automatic Transmission, 4L60-E, Electronic; Trailblazer 4 Door EXT

My Vehicle Change Vehicle

2003 Chevrolet Trailblazer EXT 2WD

4-Speed Automatic Transmission, 4L60-E, Electronic; Trailblazer 4 Door EXT

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Transmission - Automatic

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Recommended

Part No. & Part Description

Price

Part No. &
Part Description

SENSOR, Computer Control Sensors
12608814
SENSOR, ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT USE 88987993)(2WAY FEMALE)(1.150)
Fitting Vehicle Options:
ST158(LM4,M30)
MSRP: $56.38
$29.88
1
Add To Cart
19244715
SENSOR, ENGINE COOLANT TEMPERATURE(1.150)
- Fitting Vehicle Options:
  ST1(LL8)
MSRP: $81.56
$39.28
1
Add To Cart

SENSOR, Coolant Temperature (Engine Unit)
12608814
SENSOR, ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT USE 88987993)(2WAY FEMALE)
Fitting Vehicle Options:
ST158(LM4,M30)
MSRP: $56.38
$29.88
1
Add To Cart
19244715
SENSOR, ENGINE COOLANT TEMPERATURE
- Fitting Vehicle Options:
  ST1(LL8)
MSRP: $81.56
$39.28
1
Add To Cart

12677836
SENSOR, Engine Oil Pressure/Temperature, SENSOR,ENGINE OIL PRESSURE(MATING CONNECT W/LEADS USE 88988301)
MSRP: $99.14
$49.96
1
Add To Cart

SENSOR, Distributor (also Knock Sensor)
12560228
SENSOR, CRANKSHAFT POSITION(MATING CONNECT W/LEADS USE 88986451)
Fitting Vehicle Options:
ST1(LM4)
MSRP: $114.40
$63.78
1
Add To Cart
12567446
SENSOR, KNOCK(MATES W/CONNECT 13580877)
- Fitting Vehicle Options:
  ST1(LL8)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $48.68
$25.81
1
Add To Cart
12567712
SENSOR, CRANKSHAFT POSITION(W/STRAIGHT CONNECT)
- Fitting Vehicle Options:
  ST1(LL8)
MSRP: $84.12
$40.51
1
Add To Cart

CONNECTOR, Chassis Electrical
15326843
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(ENGINE CONNECTOR)(BLACK)(10-WAY FEMALE)(W/O LEADS)(W/CONNECTOR POSITION ASSURANCE)
Fitting Vehicle Options:
ST1
MSRP: $7.72
$4.91
1
Add To Cart
12085535
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(ENGINE CONNECTOR)(BLACK)(2-WAY FEMALE)(W/LEADS)(SQUARE)(2.535)
- Fitting Vehicle Options:
  ST1
MSRP: $34.94
$18.52
1
Add To Cart
13587152
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(ENGINE CONNECTOR)(BLACK)(8-WAY MALE)(W/LEADS)
- Fitting Vehicle Options:
  ST1
MSRP: $108.34
$45.51
1
Add To Cart
15306364
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(ENGINE CONNECTOR)(BLACK)(1.75 INCHES WIDE)(16-WAY MALE)(W/LEADS)(GT150)
- Fitting Vehicle Options:
  ST1
MSRP: $250.18
$132.60
1
Add To Cart
19151490
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(ENGINE CONNECTOR)(BLACK)(10-WAY MALE)(W/O LEADS)(W/TERMINAL POSITION ASSURANCE & CAVITY PLUG)(13.100)
- Fitting Vehicle Options:
  ST1(LL8,M30)
MSRP: $25.15
$15.99
1
Add To Cart
19151507
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(ENGINE CONNECTOR)(BLACK)(38-WAY FEMALE)(W/TERMINAL POSITION ASSURANCE,SEAL,CAVITY PLUGS,BRACKET & CM LEVER)
- Fitting Vehicle Options:
  ST1(06)
MSRP: $53.63
$34.07
1
Add To Cart
15304690
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(ENGINE CONNECTOR)(GRAY)(18-WAY FEMALE)(W/O LEADS)(13.100)
- Fitting Vehicle Options:
  ST1
15306005
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(ENGINE CONNECTOR)(4-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options:
  ST158(06)

CONNECTOR, Distributor (also Knock Sensor)
13580877
CONNECTOR, SENSOR-KNOCK(NATURAL)(2-WAY FEMALE)(W/LEADS)
Require Quantity:
02
Package Quantity:
1
MSRP: $91.34
$40.92
1
Add To Cart
19178093
CONNECTOR, SENSOR-CRANKSHAFT POSITION(BLACK)(2-WAY FEMALE)(W/LEADS)(3.682)
MSRP: $66.86
$35.44
1
Add To Cart

13585860
CONNECTOR, Fuel Tank Evaporator/Purge Control, CONNECTOR,SOLENOID-EVAP EMISSION CANISTER PURGE VALVE(RED)(2-WAY FEMALE)(W/LEADS)(2.535)
MSRP: $45.76
$24.25
1
Add To Cart

12117025
CONNECTOR, A/C Compressor Clutch Actuating, CONNECTOR,COIL-A/C CLUTCH(BLACK)(3-WAY FEMALE)(W/LEADS)(2.383)
MSRP: $64.20
$34.03
1
Add To Cart

13587697
SENSOR, A/C Electric Temperature and Motor Control, SENSOR,A/C REFRIGERANT PRESSURE
MSRP: $59.57
$31.57
1
Add To Cart

19368669
CONNECTOR, Air Conditioning, CONNECTOR,SENSOR-A/C REFRIGERANT PRESSURE(BLACK)(0.75MM)(3-WAY FEMALE)(W/LEADS)(2.530)
MSRP: $56.14
$29.75
1
Add To Cart

1997279
VALVE, Fuel Tank Evaporator/Purge Control, VALVE,EVAP EMISSION CANISTER PURGE SOLENOID(LOCATED AT INTAKE MANIFOLD)(INCLUDES SEAL)(MATING CONNECT W/LEADS USE 13585860)
MSRP: $74.80
$39.64
1
Add To Cart

13580114
CONNECTOR, Coolant Temperature (Engine Unit), CONNECTOR,SENSOR-ENGINE COOLANT TEMPERATURE(OVAL)(BLACK)(2-WAY FEMALE)(W/LEADS)(2.530)
- Replaced By:
  87815146
MSRP: $50.32
$26.67
1
Add To Cart

13580114
CONNECTOR, Computer Control Sensors, CONNECTOR,SENSOR-ENGINE COOLANT TEMPERATURE(OVAL)(BLACK)(2-WAY FEMALE)(W/LEADS)(2.530)
- Replaced By:
  87815146
MSRP: $50.32
$26.67
1
Add To Cart

BRACKET, Chassis/Engine Wiring Harness
15773394
BRACKET, ENGINE WIRING HARNESS CLIP
Fitting Vehicle Options:
ST1(06)(LM4)
MSRP: $7.98
$5.06
1
Add To Cart
15008622
BRACKET, ENGINE WIRING HARNESS CLIP
- Fitting Vehicle Options:
  ST1(LL8)
15172678
BRACKET, ENGINE WIRING HARNESS
- Fitting Vehicle Options:
  ST1(06)(LM4)
15773393
BRACKET, AUTOMATIC TRANSMISSION & ENGINE WIRING HARNESS
- Fitting Vehicle Options:
  ST1(06)(LM4)

15306329
CONNECTOR, Generator, CONNECTOR,GENERATOR(BEIGE)(2-WAY FEMALE)(4-WAY BASE W/LEADS)
MSRP: $49.32
$26.14
1
Add To Cart

CONNECTOR, Emission Control System
19151497
CONNECTOR, POWERTRAIN CONTROL MODULE(BLUE)(65-WAY F W/SEALS,CAVITY PLUGS,TPAS,COVER,BOLT & STRAIN RELIEF)
Fitting Vehicle Options:
ST1
MSRP: $36.79
$18.25
1
Add To Cart
88987914
CONNECTOR, POWERTRAIN CONTROL MODULE(GRAY)(65-WAY F W/SEALS,CAVITY PLUGS,TPAS,COVER,BOLT & STRAIN RELIEF)
- Fitting Vehicle Options:
  ST1(LL8,M30)
MSRP: $70.54
$44.83
1
Add To Cart
88987912
CONNECTOR, POWERTRAIN CONTROL MODULE(NATURAL)(65-WAY F W/SEALS,CAVITY PLUGS,TPAS,COVER,BOLT & STRAIN RELIEF)
- Fitting Vehicle Options:
  ST1(LL8,M30)

HARNESS, Engine Wiring
15105214
HARNESS, ENGINE WIRING(2ND DESIGN W/O OIL LEVEL SENSOR FOR 1ST DESIGN SEE 15172670)
Fitting Vehicle Options:
ST158(LM4,M30)(2ND DES)
15172670
HARNESS, ENGINE WIRING(1ST DESIGN W/OIL LEVEL SENSOR FOR 2ND DESIGN SEE 15105214)
- Fitting Vehicle Options:
  ST158(LM4,M30)(1ST DES)
15176639
HARNESS, ENGINE WIRING(WHEN USED ON VEHICLE W/O OIL LEVEL SENSOR, SEAL UNUSED SENSOR CONNECT AND TAPE BACK TO HARNESS)
- Fitting Vehicle Options:
  ST1(LL8,M30)

15354786
RETAINER, Chassis/Engine Wiring Harness, RETAINER,ECM WIRING HARNESS CONNECT
- Require Quantity:
  02
- Package Quantity:
  1

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

11588564
BOLT, HEXAGON W/FLAT WASHER,M8X1.25X25,15.85 THREAD,17 OUTSIDE DIAMETER,9.8,GMW3200M,MACHINE,MAT-POINT(CRANKSHAFT POSITION (POSITION 2))
MSRP: $7.20
$4.57
1
Add To Cart

11517518
BOLT, HEX FLANGED HEAD,M6X1X20,17.9 THREAD,14.2 O.D.,9.8,TIN ZINC(ENGINE WIRING HARNESS CLIP)
MSRP: --
$12.60
1
Add To Cart

11517518
BOLT, HEX FLANGED HEAD,M6X1X20,17.9 THREAD,14.2 O.D.,9.8,TIN ZINC(ENGINE WIRING HARNESS CLIP BRACKET)
MSRP: --
$12.60
1
Add To Cart

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

11519862
BOLT, HEXAGON W/FLAT WASHER,M8X1.25X25,15.85 THREAD,17 OUTSIDE DIAMETER,9.8,6280M,MACHINE,MAT-POINT(ENGINE WIRING HARNESS GROUND)
- Require Quantity:
  03
- Package Quantity:
  1
MSRP: $6.95
$4.36
1
Add To Cart

11519862
BOLT, HEXAGON W/FLAT WASHER,M8X1.25X25,15.85 THREAD,17 OUTSIDE DIAMETER,9.8,6280M,MACHINE,MAT-POINT(ENGINE WIRING HARNESS CLIP)
MSRP: $6.95
$4.36
1
Add To Cart

11519862
BOLT, HEXAGON W/FLAT WASHER,M8X1.25X25,15.85 THREAD,17 OUTSIDE DIAMETER,9.8,6280M,MACHINE,MAT-POINT(ENGINE WIRING HARNESS CLIP BRACKET)
MSRP: $6.95
$4.36
1
Add To Cart

11609832
STUD, HEX FLANGED HEAD,M8X1.25X16,M8X1.25X16,18 OUTSIDE DIAMETER,40.1 TL,8.8 STEEL,GMW3200(WIRING HARNESS BRACKET)
MSRP: $4.96
$3.16
1
Add To Cart

11562004
BOLT, HEXAGON W/FLAT WASHER,M10X1.5X30,19 THREAD,20 OUTSIDE DIAMETER,8.8,GMW3200,MACHINE,M-POINT(CRANKSHAFT POSITION (POSITION 2))
MSRP: $5.67
$3.60

11562004
BOLT, HEXAGON W/FLAT WASHER,M10X1.5X30,19 THREAD,20 OUTSIDE DIAMETER,8.8,GMW3200,MACHINE,M-POINT(ENGINE WIRING HARNESS PCM GROUND)
MSRP: $5.67
$3.60

11562004
BOLT, HEXAGON W/FLAT WASHER,M10X1.5X30,19 THREAD,20 OUTSIDE DIAMETER,8.8,GMW3200,MACHINE,M-POINT(ENGINE WIRING HARNESS RETAINER)
MSRP: $5.67
$3.60

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Trailblazer EXT 2WD parts. Parts like Wiring Harness/Engine LH Side are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.2L, 8 Cyl 5.3L. Model Code: 4 DOOR EXT.