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  1. Home
  2. Chevrolet Trucks
  3. 2004
  4. Trailblazer EXT 4WD
  5. Engine Straight 6 Cylinders

2004 Chevrolet Trucks Trailblazer EXT 4WD engine straight 6 cylinders parts catalog

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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

$1.43—3.29

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)

$2.90—3.31

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)

$2.71—3.42

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)

$3.31—4.03

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)

$2.57—4.97

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)

$2.71—3.43

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)

$4.18—5.17

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)

$2.46—6.45

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)

$120.33—208.61

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)

$222.64—249.28

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)

$0.28—32.38

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)

$2.93—3.29

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)

$77.97—87.30

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)

$81.16—91.32

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)

$3.29—5.27

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)

$4.32—5.77

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)

$14.38—24.72

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)

$10.65—29.92

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)

$7.70—16.80

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)

$27.30—62.14

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)

$123.02—127.69

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)

$5.75—7.04

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)

$4.38—7.74

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)

$36.40—50.91

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)

$10.69—18.95

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)

$5.78—17.87

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)

$767.80—1128.30

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)

$2.82—149.84

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)

$11.98—21.19

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)

$17.85—31.61

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)

$221.53—392.14

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)

$5.16—8.95

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)

$14.20—19.32

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)

$137.82—244.69

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)

$1.19—4.48

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)

$3.59—4.85

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)

$3.30—3.55

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)

$3.99—5.16

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)

$0.47—2.81

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)

$2.63—3.43

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)

$2.76—2.91

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)

$2.71—3.42

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)

$2.86—5.88

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)

$0.50—3.58

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)

$7.80—10.49

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), ST1 (LL8)

$7.24—14.42

Available in 38 shops

Add to cart

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

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

$0.28—32.38

Available in 2 shops

Add to cart

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

  • OEM part number: 12565425
  • Quantity in car: 1
  • Camshaft sprocket (m10x1.5-6gx59mm material:medium carbon alloy stl.)
  • Usage: ST1 (LL8), ST1 (LL8)

$2.98—3.63

Available in 38 shops

Add to cart

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

  • OEM part number: 12567157
  • Quantity in car: 1
  • Engine front cover bolt
  • Usage: ST1 (LL8), ST1 (LL8)

$2.86—3.58

Available in 38 shops

Add to cart

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

  • OEM part number: 12568766
  • Quantity in car: 1
  • Timing chain tensioner
  • Usage: ST1 (LL8), ST1 (LL8)

$9.89—19.24

Available in 38 shops

Add to cart

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

  • OEM part number: 12569502
  • Quantity in car: 1
  • Camshaft position
  • Usage: ST1 (LL8)

$126.50—138.37

Available in 38 shops

Add to cart

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

  • OEM part number: 12571725
  • Quantity in car: 1
  • Camshaft tmg
  • Usage: ST1 (LL8), ST1 (LL8)

$53.03—58.03

Available in 38 shops

Add to cart

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

  • OEM part number: 12573950
  • Quantity in car: 1
  • Crankshaft balancer (friction type washer)
  • Usage: ST1 (LL8)

$9.52—10.19

Available in 2 shops

Add to cart

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

  • OEM part number: 12573950
  • Quantity in car: 1
  • Crankshaft balancer (washer is flat & used on smooth heads up display balanced.for second design see 12578073) (friction type washer)
  • Usage: ST1 (LL8) (1ST DES)

$9.52—10.19

Available in 2 shops

Add to cart

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

  • OEM part number: 12575159
  • Quantity in car: 1
  • Timing chain (fixed left-hand)
  • Usage: ST1 (LL8)

$16.34—28.90

Available in 38 shops

Add to cart

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

  • OEM part number: 12578069
  • Quantity in car: 1
  • Crankshaft (requires seal kit 89017622)
  • Usage: ST1 (LL8)

$75.23—96.31

Available in 38 shops

Add to cart

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

  • OEM part number: 12578069
  • Quantity in car: 1
  • Crankshaft (has a step on the hub for retainment of friction washer) (requires seal kit 89017622)
  • Usage: ST1 (LL8), ST1 (LL8)

$75.23—96.31

Available in 38 shops

Add to cart

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

  • OEM part number: 12578073
  • Quantity in car: 1
  • Crankshaft balancer (washer has lip & used on balancer with step) (flat, 33 inside diameter, 45.5 outside diameter, 5 thick)
  • Usage: ST1 (LL8)

$4.59—8.87

Available in 38 shops

Add to cart

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

  • OEM part number: 12578073
  • Quantity in car: 1
  • Usage: ST1 (LL8) (2ND DES)

$4.59—8.87

Available in 38 shops

Add to cart

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

  • OEM part number: 12598504
  • Quantity in car: 1
  • Timing chain
  • Usage: ST1 (LL8)

$33.63—59.46

Available in 38 shops

Add to cart

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

  • OEM part number: 12601932
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$0.53

Available in 1 shop

Add to cart

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

  • OEM part number: 12601932
  • Quantity in car: 1
  • Engine front (with oil pmp) (includes seal (front cover), gears, plug and relief valve) (no gasket used, use room temperature vulcanizing 12378521) (second design cover for use with flat seal at oil pump pick-up
  • Usage: ST1 (LL8)

$0.53

Available in 1 shop

Add to cart

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

  • OEM part number: 12620112
  • Quantity in car: 1
  • Engine coolant thermostat (thermostat, seal, to water pump)
  • Usage: ST1 (LL8)

$29.73—45.10

Available in 38 shops

Add to cart

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

  • OEM part number: 12620226
  • Quantity in car: 1
  • Water (with gasket)
  • Usage: ST1 (LL8)

$93.58—106.81

Available in 38 shops

Add to cart

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

  • OEM part number: 19179010
  • Quantity in car: 1
  • Camshaft position
  • Usage: ST1 (LL8)

$115.50—236.08

Available in 2 shops

Add to cart

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

  • OEM part number: 24100061
  • Quantity in car: 1
  • Usage: ST1 (LL8), ST1 (LL8)

$55.50—100.04

Available in 38 shops

Add to cart

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

  • OEM part number: 24100263
  • Quantity in car: 1
  • Camshaft position actuator (m10x1.5x103mm)
  • Usage: ST1 (LL8)

$6.51—12.21

Available in 38 shops

Add to cart

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

  • OEM part number: 24100362
  • Quantity in car: 1
  • Camshaft (includes pinion)
  • Usage: ST1 (LL8), ST1 (LL8)

$37.58—70.78

Available in 38 shops

Add to cart

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

  • OEM part number: 24576757
  • Quantity in car: 4
  • Water pump pulley (m8x1.25x19, 10.9)
  • Usage: ST1 (LL8), ST1 (LL8)

$4.38—7.99

Available in 38 shops

Add to cart

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

  • OEM part number: 24576956
  • Quantity in car: 1
  • Water pump
  • Usage: ST1 (LL8), ST1 (LL8)

$4.21—8.90

Available in 38 shops

Add to cart

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

  • OEM part number: 24576963
  • Quantity in car: 1
  • Water
  • Usage: ST1 (LL8)

$43.05—92.33

Available in 37 shops

Add to cart

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