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  4. Trailblazer EXT 2WD
  5. Engine Straight 6 Cylinders

2003 Chevrolet Trucks Trailblazer EXT 2WD engine straight 6 cylinders parts catalog

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Bolt, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 11517523
  • Quantity in car: 4
  • Hex flanged head, m6x1x45, 17thd, 14.2 outside diameter, header point, 9.8, 6280m (throttle actuator control module)

$2.764.39

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 11517590
  • Quantity in car: 4
  • Hex flanged head m6x1x25, 21.5 thread, 14.2 outside diameter, 9.8, 7114m, machine, header-point (fuel injector)

$0.472.81

Available in 2 shops

Add to cart


Stud, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 11517674
  • Quantity in car: 2
  • Secondary air injection pipe cover
  • Usage: ST1 (LL8)

$3.325.91

Available in 38 shops

Add to cart


Stud, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 11518994
  • Quantity in car: 2
  • Secondary air injection pipe cover
  • Usage: ST1 (LL8)

$3.163.88

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 11588352
  • Quantity in car: 10
  • Usage: ST1 (LL8), ST1 (LL8)

$2.404.49

Available in 38 shops

Add to cart


Stud, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 11589264
  • Quantity in car: 3

$6.9711.75

Available in 38 shops

Add to cart


Nut, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 11609411
  • Quantity in car: 4
  • Hexagon with conical washer, m6x1, 5.7 thick, 16 outside diameter, 9, gmw3200 (exhaust manifold heat shield)

$0.350.41

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 11609481
  • Quantity in car: 11
  • Hexagon flanged head, m8x1.25x33, 23.9 thread, 18 outside diameter, 9.8, gmw3179w, adh gm6194m (exhaust manifold)

$1.451.56

Available in 2 shops

Add to cart


Body, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12568580
  • Quantity in car: 1
  • Throttle (with throttle actuator)
  • Usage: ST1 (LL8)

$256.60298.91

Available in 38 shops

Add to cart


Cap, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12569017
  • Quantity in car: 1
  • Usage: ST1 (LL8), ST1 (LL8)

$3.364.20

Available in 38 shops

Add to cart


Cover, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12571702
  • Quantity in car: 1
  • Secondary air injection pipe
  • Usage: ST1 (LL8)

$4.50

Available in 1 shop

Add to cart


Cover, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12574378
  • Quantity in car: 1
  • Secondary air injection pipe
  • Usage: ST1 (LL8)

$3.896.84

Available in 38 shops

Add to cart


Gasket, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12575463
  • Quantity in car: 1
  • Usage: ST1 (LL8), ST1 (LL8)

$3.874.36

Available in 38 shops

Add to cart


Hose, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12575660
  • Quantity in car: 1
  • Positive crankcase ventilation (dirty air) (positive crankcase ventilation intake manifold to cylinder head portion)
  • Usage: ST1 (LL8)

$8.1710.10

Available in 38 shops

Add to cart


Manifold, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12587310
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$155.74268.05

Available in 38 shops

Add to cart


Shield, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12587963
  • Quantity in car: 1
  • Exhaust manifold heat
  • Usage: ST1 (LL8), ST1 (LL8)

$34.4465.50

Available in 38 shops

Add to cart


Gasket, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12595010
  • Quantity in car: 1
  • Exhaust manifold
  • Usage: ST1 (LL8)

$7.888.66

Available in 38 shops

Add to cart


Sensor, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 12614970
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$38.96127.65

Available in 39 shops

Add to cart


Clamp, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 15734741
  • Quantity in car: 1
  • Positive crankcase ventilation hose (18.4mm diameter)
  • Usage: ST1 (LL8), ST1 (LL8)

$3.563.86

Available in 38 shops

Add to cart


Seal, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 16194007
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$3.784.36

Available in 38 shops

Add to cart


Gasket, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 24577193
  • Quantity in car: 1
  • Secondary air injection pipe cover
  • Usage: ST1 (LL8)

$4.188.44

Available in 38 shops

Add to cart


Stud, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 24577539
  • Quantity in car: 4
  • Usage: ST1 (LL8), ST1 (LL8)

$3.515.72

Available in 38 shops

Add to cart


Retainer, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 24577587
  • Quantity in car: 1
  • Manifold absolute pressure sensor
  • Usage: ST1 (LL8)

$3.664.07

Available in 38 shops

Add to cart


Module, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 25312095
  • Quantity in car: 1
  • Throttle actuator cont (throttle body)
  • Usage: ST1 (LL8)

$215.18251.58

Available in 38 shops

Add to cart


Manifold, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 88890560
  • Quantity in car: 1
  • Usage: ST1 (LL8), ST1 (LL8)

$142.78163.83

Available in 38 shops

Add to cart


Gasket kit, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 88890561
  • Quantity in car: 1
  • Exhaust manifold
  • Usage: ST1 (LL8)

$9.6811.95

Available in 38 shops

Add to cart


Manifold, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 89017800
  • Quantity in car: 1
  • Int (service) (includes manifold bolts, gaskets, & cover;does not include throttle body & manifold absolute pressure sensor)
  • Usage: ST1 (LL8)

$226.12428.14

Available in 38 shops

Add to cart


Gasket kit, engine assembly 4.2l l6 manifolds and fuel related parts (ll8/4.2s)

  • OEM part number: 89017871
  • Quantity in car: 1
  • Intake manifold
  • Usage: ST1 (LL8), ST1 (LL8)

$12.3014.71

Available in 38 shops

Add to cart


Plug, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 01647544
  • Quantity in car: 2
  • Cylinder head access hole (m24x1.5x12) (round head, int hexagon, with seal, nylon)
  • Usage: ST1 (LL8), ST1 (LL8)

$?

Add to cart


Nut, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 11504978
  • Quantity in car: 2
  • Unit-type m6x1 pnls 13.5 deep zor

$1.433.29

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 11517518
  • Quantity in car: 1
  • Hex flanged head, m6x1x20, 17.9 thread, 14.2 outside diameter, 9.8, tin zinc (camshaft position actuator)

$2.903.31

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 11519038
  • Quantity in car: 2
  • Cylinder head (bolt-hexagon flanged head, m6x1x30, 24 thread, 13.2 outside diameter, 10.9, gmw3359)
  • Usage: ST1 (LL8)

$2.713.42

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 11519306
  • Quantity in car: 1
  • Cylinder head (bolt-hex flanged head, m6x1x88.3, 17 thread, 14.2 outside diameter, 10.9, 4435m, machine, 6194m, header-point)
  • Usage: ST1 (LL8)

$3.314.03

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 11562004
  • Quantity in car: 3
  • Hexagon with flat washer, m10x1.5x30, 19 thread, 20 outside diameter, 8.8, gmw3200, machine, m-point (engine lift front bracket)

$2.574.97

Available in 38 shops

Add to cart


Plug, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 11562125
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$2.713.43

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 11562426
  • Quantity in car: 1
  • Hex flanged head, m6x1x25, 18 thread, 14.2 outside diameter, 10.9 steel gmw3359 (camshaft position sensor)

$4.185.17

Available in 38 shops

Add to cart


Plug, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 11609916
  • Quantity in car: 2
  • Usage: ST1 (LL8)

$2.466.45

Available in 38 shops

Add to cart


Gasket kit, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12482715
  • Quantity in car: 1
  • Cylinder head (has crankcase ventilation system/no positive crankcase ventilation valve)
  • Usage: ST1 (LL8)

$120.33208.61

Available in 38 shops

Add to cart


Camshaft, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12563065
  • Quantity in car: 1
  • Intake (machining)
  • Usage: ST1 (LL8)

$222.64249.28

Available in 2 shops

Add to cart


Sensor, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12564512
  • Quantity in car: 1
  • Engine coolant temp (2-way female)
  • Usage: ST1 (LL8), ST1 (LL8)

$0.2832.38

Available in 2 shops

Add to cart


Bolt, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12568079
  • Quantity in car: 14
  • Usage: ST1 (LL8)

$2.933.29

Available in 2 shops

Add to cart


Valve, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12569014
  • Quantity in car: 12
  • Intake (.075mm oversize)
  • Usage: ST1 (LL8)

$77.9787.30

Available in 2 shops

Add to cart


Valve, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12569015
  • Quantity in car: 12
  • Exhaust (.075 oversize)
  • Usage: ST1 (LL8)

$81.1691.32

Available in 2 shops

Add to cart


Plug, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12569484
  • Quantity in car: 1
  • Secondary air injection pipe hole (12.7mm)
  • Usage: ST1 (LL8)

$3.295.27

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12570816
  • Quantity in car: 29
  • Usage: ST1 (LL8), ST1 (LL8)

$4.325.77

Available in 38 shops

Add to cart


Bracket, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12572633
  • Quantity in car: 1
  • Engine lift front
  • Usage: ST1 (LL8), ST1 (LL8)

$14.3824.72

Available in 38 shops

Add to cart


Adjuster, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12572638
  • Quantity in car: 24
  • Hydraulic valve lash
  • Usage: ST1 (LL8), ST1 (LL8)

$10.6529.92

Available in 40 shops

Add to cart


Cap, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12573337
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$7.7016.80

Available in 38 shops

Add to cart


Sensor, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12584079
  • Quantity in car: 1
  • Camshaft position (with angle connector)
  • Usage: ST1 (LL8)

$27.3062.14

Available in 38 shops

Add to cart


Cover, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12591994
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$123.02127.69

Available in 2 shops

Add to cart


Spring, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12596078
  • Quantity in car: 24
  • Valve
  • Usage: ST1 (LL8)

$5.757.04

Available in 38 shops

Add to cart


Seal, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12596994
  • Quantity in car: 24
  • Valve stem oil
  • Usage: ST1 (LL8)

$4.387.74

Available in 37 shops

Add to cart


Valve, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12615873
  • Quantity in car: 1
  • Camshaft position actuator solenoid
  • Usage: ST1 (LL8), ST1 (LL8)

$36.4050.91

Available in 38 shops

Add to cart


Insulator, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12615912
  • Quantity in car: 21
  • Camshaft cover bolt (includes bolt, grommet)
  • Usage: ST1 (LL8), ST1 (LL8)

$10.6918.95

Available in 38 shops

Add to cart

12625058 genuine OEM part.

Spark plug, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 12625058
  • Quantity in car: 6
  • (iridium)
  • Usage: ST1 (LL8)

$5.7817.87

Available in 3 shops

Add to cart


Head, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 19207470
  • Quantity in car: 1
  • Cylinder (machining)
  • Usage: ST1 (LL8), ST1 (LL8)

$767.801128.30

Available in 38 shops

Add to cart


Seal, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 24100002
  • Quantity in car: 1
  • Usage: ST1 (LL8), ST1 (LL8)

$0.43

Available in 1 shop

Add to cart


Armature, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 24100294
  • Quantity in car: 24
  • Valve rocker
  • Usage: ST1 (LL8), ST1 (LL8)

$2.82149.84

Available in 39 shops

Add to cart


Valve, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 24576974
  • Quantity in car: 12
  • Intake (standard)
  • Usage: ST1 (LL8)

$11.9821.19

Available in 38 shops

Add to cart


Valve, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 24576975
  • Quantity in car: 12
  • Exhaust (standard)
  • Usage: ST1 (LL8)

$17.8531.61

Available in 38 shops

Add to cart


Camshaft, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 24577279
  • Quantity in car: 1
  • Exhaust (machining)
  • Usage: ST1 (LL8), ST1 (LL8)

$221.53392.14

Available in 38 shops

Add to cart


Plug, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 24577307
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$5.168.95

Available in 38 shops

Add to cart


Gasket kit, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 89017729
  • Quantity in car: 1
  • Usage: ST1 (LL8), ST1 (LL8)

$14.2019.32

Available in 37 shops

Add to cart


Gasket kit, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 89060566
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$137.82244.69

Available in 38 shops

Add to cart


Key, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 90354648
  • Quantity in car: 48
  • Valve stem
  • Usage: ST1 (LL8), ST1 (LL8)

$1.194.48

Available in 39 shops

Add to cart


Retainer, engine assembly 4.2l l6 cylinder head and related parts (ll8/4.2s)

  • OEM part number: 90537243
  • Quantity in car: 24
  • Valve spring
  • Usage: ST1 (LL8)

$3.594.85

Available in 38 shops

Add to cart


Pinion, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 03525915
  • Quantity in car: 2
  • Engine front cover location (dowel, 5.99x17.25, cham both ends, 10.9)
  • Usage: ST1 (LL8), ST1 (LL8)

$?

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11517513
  • Quantity in car: 2
  • Hexagon flanged head m6x1x50, 18 thread, 14.2 outside diameter, 9.8, 6280m, 7mm p-point, reduced body (timing chain guide)

$3.303.55

Available in 2 shops

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11517521
  • Quantity in car: 5
  • Hexagon flanged head, m6x1x35, 17 thread, 14.2 outside diameter, 9.8, 6280m, machine, header-point (water pump)

$3.995.16

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11517590
  • Quantity in car: 2
  • Hexagon flanged head m6x1x25, 21.5 thread, 14.2 outside diameter, 9.8, 7114m, machine, header-point (engine coolant thermostat housing)

$0.472.81

Available in 2 shops

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11518138
  • Quantity in car: 2
  • Hexagon flanged head, m8x1.25x30, 25.65 thread, 14 outside diameter, 9.8, 4435m, machine, header-point (timing chain tensioner)

$2.633.43

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11518161
  • Quantity in car: 1
  • Hexagon flanged head with shoulder, m8x1.25x30.5, 11.45 thread, 17od, 9.8, plain, machine, 6194m, mat-point (timing chain tensioner shoe)

$2.762.91

Available in 2 shops

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11519038
  • Quantity in car: 2
  • Hexagon flanged head, m6x1x30, 24 thread, 13.2 outside diameter, 10.9, gmw3359, with adhesive on threads (timing chain guide)

$2.713.42

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11588714
  • Quantity in car: 2
  • Hexagon flanged head, m6x1x30, 22.7 thread, 14.2 outside diameter, 8.8, gmw3359, m-pt. (water outlet)

$2.865.88

Available in 39 shops

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11588718
  • Quantity in car: 2
  • Timing chain guide (-hex flanged head, m6x1x50, 22.7 thread, 14.2 outside diameter, 8.8, gmw3359, mat point) (m6x1x50)
  • Usage: ST1 (LL8), ST1 (LL8)

$0.503.58

Available in 38 shops

Add to cart


Bolt, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 11609792
  • Quantity in car: 1
  • Crankshaft balancer (hexagon head washer, m16x2)
  • Usage: ST1 (LL8)

$7.8010.49

Available in 38 shops

Add to cart


Seal, engine assembly 4.2l l6 cooling related, front end drive (ll8/4.2s)

  • OEM part number: 12561155
  • Quantity in car: 1
  • Engine coolant thermostat housing (O-ring)
  • Usage: ST1 (LL8)

$7.2414.42

Available in 38 shops

Add to cart

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