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  1. Home
  2. Chevrolet Trucks
  3. 2007
  4. Trailblazer SS 2WD
  5. Engine Straight 6 Cylinders

2007 Chevrolet Trucks Trailblazer SS 2WD engine straight 6 cylinders parts catalog

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Valve, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 01997278
  • Quantity in car: 1
  • Evaporative emission canister purge solenoid (without bracket)
  • Usage: ST1 (LL8)

$?

Add to cart

Pinion, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 03522352
  • Quantity in car: 2
  • Cylinder head location (hollow dowel, 15.675x28, cham both ends, sae 12l14, zp)
  • Usage: ST1 (LL8), ST1 (LL8)

$?

Add to cart

Pinion, engine assembly 4.2l l6 block and internal parts (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

Pinion, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 03525915
  • Quantity in car: 2
  • Crankshaft rear oil seal housing location (dowel, 5.99x17.25, cham both ends, 10.9)
  • Usage: ST1 (LL8), ST1 (LL8)

$?

Add to cart

Plug, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 09427693
  • Quantity in car: 1
  • Cup 5/8, corrosion resistant steel (engine block oil gallery)

$?

Add to cart

Bolt, engine assembly 4.2l l6 block and internal 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 (evaporative emission canister purge solenoid valve bracket)

$2.90—3.31

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11517590
  • Quantity in car: 8
  • Hex flanged head m6x1x25, 21.5 thread, 14.2 outside diameter, 9.8, 7114m, machine, header-point (crankshaft rear oil seal housing)

$0.47—2.81

Available in 2 shops

Add to cart

Plug, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11561430
  • Quantity in car: 5
  • Engine block oil gallery (m16x1.5x23, 1010 steel, 3044gmw.with aluminum washer, sealant)
  • Usage: ST1 (LL8), ST1 (LL8)

$2.43—3.00

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11569841
  • Quantity in car: 14
  • Crankshaft bearing cap (m10x133.5, 48.5 thread, 22.6 outside diameter, 10.9)
  • Usage: ST1 (LL8)

$3.38—10.22

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11570716
  • Quantity in car: 8
  • Automatic transmission flexible plate (m10x1x19.1, 15 thread)
  • Usage: ST1 (LL8)

$2.29—2.89

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11570931
  • Quantity in car: 14
  • Crankshaft bearing cap (hexagon flanged head, m10x1.5x140, 5x140, 52.5 thread, 22.5 outside diameter, 10.9)
  • Usage: ST1 (LL8)

$2.20—3.56

Available in 2 shops

Add to cart

Plug, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11588949
  • Quantity in car: 2
  • M16x1.5x14, 24 outside diameter, sae 1010 steel, gmw3044, with aluminum washer (engine block oil gallery)

$5.16—12.11

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11589241
  • Quantity in car: 1
  • Hex flanged head, m6x1x20, 17.5 thread, 14.2 outside diameter, 8.8, gmw3359 (evaporative emission canister purge solenoid valve bracket)

$2.54—4.45

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11589241
  • Quantity in car: 1
  • Hex flanged head, m6x1x20, 17.5 thread, 14.2 outside diameter, 8.8, gmw3359 (crankshaft position sensor)

$2.54—4.45

Available in 38 shops

Add to cart

Plug, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 11609289
  • Quantity in car: 1
  • Hexagon, m28x1.25x13, 10.9, gmw3044, int driver with thread seal 9985 (engine coolant heater hole)

$9.11—9.52

Available in 2 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (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

Sealant, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12378521
  • Room temperature vulcanizing engine silicone 5.3oz cart (crankshaft rear oil seal housing)

$11.80—50.15

Available in 39 shops

Add to cart

Ring kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12482718
  • Quantity in car: 6
  • Piston (for use with original 2002 piston with 1.2mm lower compressor ring;if piston has been replaced with piston 12585784, use ring kit 89060378 with 1.5mm lower compression ring) (lower compression ring is 1.2mm thick without scaper groove.)
  • Usage: ST1 (LL8)

$39.82—44.59

Available in 2 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12552947
  • Quantity in car: 12
  • Usage: ST1 (LL8), ST1 (LL8)

$4.76—5.78

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12552947
  • Quantity in car: 12
  • Connect rod (mj9x1.0-4h6hx61.9 long)
  • Usage: ST1 (LL8)

$4.76—5.78

Available in 38 shops

Add to cart

Heater, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12560179
  • Quantity in car: 1
  • Engine coolant
  • Usage: ST1 (LL8), ST1 (K05)

$30.10—33.69

Available in 2 shops

Add to cart

Heater, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12560179
  • Quantity in car: 1
  • Engine coolant (with 3-pinion and brass color)
  • Usage: ST1 (LL8, K05)

$30.10—33.69

Available in 2 shops

Add to cart

Stud, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12564353
  • Quantity in car: 1
  • Starter (upper)
  • Usage: ST1 (LL8), ST1 (LL8)

$3.64—4.13

Available in 38 shops

Add to cart

Spacer, engine assembly 4.2l l6 block and internal parts (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

Sensor, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12567446
  • Quantity in car: 2
  • Knock
  • Usage: ST1 (LL8), ST1 (LL8)

$22.66—26.92

Available in 38 shops

Add to cart

Sensor, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12567712
  • Quantity in car: 1
  • Crankshaft position
  • Usage: ST1 (LL8)

$23.02—27.27

Available in 38 shops

Add to cart

Sensor, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12567712
  • Quantity in car: 1
  • Crankshaft position (with straight connect)
  • Usage: ST1 (LL8)

$23.02—27.27

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12567724
  • Quantity in car: 8
  • Automatic transmission flexible plate (m10x1.5-4g) (coarse threads) (second design see 12568933)
  • Usage: ST1 (LL8, M30) (1ST DES)

$5.37—6.02

Available in 2 shops

Add to cart

Fitting, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12567908
  • Quantity in car: 1
  • Heater outlet hose
  • Usage: ST1 (LL8), ST1 (LL8)

$7.50—14.12

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12568933
  • Quantity in car: 8
  • Automatic transmission flexible plate (m10x1.0x30mm) (fine threads) (first design see 12567724)
  • Usage: ST1 (LL8, M30) (2ND DES)

$2.89—3.98

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12568933
  • Quantity in car: 8
  • Automatic transmission flexible plate (m10x1.0x30mm) (fine threads)
  • Usage: ST1 (LL8), ST1 (LL8)

$2.89—3.98

Available in 38 shops

Add to cart

Pinion, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12569598
  • Quantity in car: 2
  • Trans location
  • Usage: ST1 (LL8), ST1 (LL8)

$2.86—3.94

Available in 38 shops

Add to cart

Washer, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12573950
  • Quantity in car: 1
  • Usage: ST1 (LL8), ST1 (LL8) (1ST DES)

$9.52—10.19

Available in 2 shops

Add to cart

Rod, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12574879
  • Quantity in car: 6
  • Usage: ST1 (LL8)

$51.46—57.90

Available in 38 shops

Add to cart

Plate, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12576272
  • Quantity in car: 1
  • Automatic transmission flexible
  • Usage: ST1 (LL8, M30)

$53.81—95.25

Available in 38 shops

Add to cart

Plate, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12576272
  • Quantity in car: 1
  • Automatic transmission flexible (for use with 280 millimeter torque converters)
  • Usage: ST1 (LL8, M30)

$53.81—95.25

Available in 38 shops

Add to cart

Balancer, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12578069
  • Quantity in car: 1
  • Usage: ST1 (LL8), ST1 (LL8), ST1 (LL8)

$75.23—96.31

Available in 38 shops

Add to cart

Washer, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

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

$4.59—8.87

Available in 38 shops

Add to cart

Washer, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12578073
  • Quantity in car: 1
  • Crankshaft balancer (washer has lip & used on balancer with step.for first design see 12573950) (flat, 33 inside diameter, 45.5 outside diameter, 5 thick, sae1075)
  • Usage: ST1 (LL8) (2ND DES)

$4.59—8.87

Available in 38 shops

Add to cart

Housing, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12581714
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$29.27—63.94

Available in 37 shops

Add to cart

Seal, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12581717
  • Quantity in car: 1
  • Crankshaft rear oil
  • Usage: ST1 (LL8)

$19.82—35.25

Available in 37 shops

Add to cart

Pinion, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12585420
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$2.82—34.74

Available in 39 shops

Add to cart

Piston, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12585784
  • Quantity in car: 6
  • Usage: ST1 (LL8)

$73.66—130.43

Available in 38 shops

Add to cart

Heater, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12586687
  • Quantity in car: 1
  • Engine coolant (with 2-pinion and silver colored)
  • Usage: ST1 (LL8, K05), ST1 (LL8, K05)

$28.49—33.37

Available in 38 shops

Add to cart

Sensor, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12597254
  • Quantity in car: 1
  • Crankshaft position
  • Usage: ST1 (LL8)

$15.96—31.87

Available in 37 shops

Add to cart

Valve, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12597567
  • Quantity in car: 1
  • Evaporative emission canister purge solenoid (valve only) (use together with 12579283 bracket)
  • Usage: ST1 (LL8), ST1 (LH6, LL8, LS2)

$24.23—114.80

Available in 39 shops

Add to cart

Fitting, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12598077
  • Quantity in car: 1
  • Heater inlet hose
  • Usage: ST1 (LL8), ST1 (LL8)

$11.89—13.00

Available in 2 shops

Add to cart

Cover, engine assembly 4.2l l6 block and internal parts (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 block and internal parts (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

Switch, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12611588
  • Quantity in car: 1
  • Engine oil pressure
  • Usage: ST1 (LL8)

$2.72

Available in 1 shop

Add to cart

Rod, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12613195
  • Quantity in car: 6
  • Connect (machining with cap)
  • Usage: ST1 (LL8)

$41.73—73.84

Available in 38 shops

Add to cart

12621694 genuine OEM part.

Plate, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12621694
  • Quantity in car: 1
  • Automatic transmission flexible (for use with 258 millimeter torque converters. use together with bolt 11570716 quantity 08)
  • Usage: ST1 (LL8, M30), ST1 (LL8)

$52.90—96.42

Available in 38 shops

Add to cart

Sensor, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 12623730
  • Quantity in car: 2
  • Knock
  • Usage: ST1 (LL8), ST1 (LL8)

$9.27—18.87

Available in 37 shops

Add to cart

Sprocket, engine assembly 4.2l l6 block and internal parts (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

Sensor, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 24100388
  • Quantity in car: 2
  • Knock
  • Usage: ST1 (LL8), ST1 (LL8)

$22.45—26.79

Available in 38 shops

Add to cart

Stiffener, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 24577092
  • Quantity in car: 1
  • Crankshaft bearing cap
  • Usage: ST1 (LL8), ST1 (LL8)

$40.60—67.49

Available in 38 shops

Add to cart

Bracket, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 24577194
  • Quantity in car: 1
  • Evaporative emission canister purge solenoid valve
  • Usage: ST1 (LL8), ST1 (LL8)

$3.80—3.97

Available in 2 shops

Add to cart

Crankshaft, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 88958866
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$610.41—683.46

Available in 38 shops

Add to cart

Sleeve, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 88984239
  • Quantity in car: 6
  • Cylinder (machining)
  • Usage: ST1 (LL8)

$109.36—122.46

Available in 38 shops

Add to cart

Seal kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89017621
  • Quantity in car: 1
  • Crankshaft front oil (smooth hub.for second design see 89017622)
  • Usage: ST1 (LL8) (1ST DES)

$14.26—16.04

Available in 38 shops

Add to cart

Seal kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89017621
  • Quantity in car: 1
  • Crankshaft front oil (for use with original 2002-03 crankshaft-smooth hub balancer;2nd design (12578069)-balancer has a step-on the hub use with 12574668 seal)
  • Usage: ST1 (LL8)

$14.26—16.04

Available in 38 shops

Add to cart

Seal kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89017622
  • Quantity in car: 1
  • Crankshaft front oil (balancers have a step on the hub for retainment of friction washer.1st design 89017621)
  • Usage: ST1 (LL8) (2ND DES)

$8.59—13.74

Available in 38 shops

Add to cart

Seal kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89017622
  • Quantity in car: 1
  • Crankshaft front oil (balancers have a step on the hub for retainment of friction washer)
  • Usage: ST1 (LL8)

$8.59—13.74

Available in 38 shops

Add to cart

Piston kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89017790
  • Quantity in car: 6
  • Usage: ST1 (LL8)

$28.73—31.92

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89017791
  • Quantity in car: 6
  • Usage: ST1 (LL8), ST1 (LL8)

$12.16—14.36

Available in 38 shops

Add to cart

Crankshaft, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89017797
  • Quantity in car: 1
  • (machining)
  • Usage: ST1 (LL8)

$384.34—449.28

Available in 38 shops

Add to cart

Ring kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89060378
  • Quantity in car: 6
  • Piston (standard) (note lower compression ring is 1.5mm thick with scaper groove)
  • Usage: ST1 (LL8)

$20.11—24.59

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89060394
  • Quantity in car: 6
  • Crankshaft (#1, 2, 3, 4, 6, 7) (standard)
  • Usage: ST1 (LL8)

$24.50—28.93

Available in 38 shops

Add to cart

Crankshaft, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89060573
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$365.93—657.27

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.2l l6 block and internal parts (ll8/4.2s)

  • OEM part number: 89065021
  • Quantity in car: 1
  • Usage: ST1 (LL8)

$28.86

Available in 1 shop

Add to cart

Retainer, engine assembly 4.2l l6 oil pump, pan and related parts (ll8/4.2s)

  • OEM part number: 11503736
  • Quantity in car: 1

$0.28

Available in 1 shop

Add to cart

Nut, engine assembly 4.2l l6 oil pump, pan and related parts (ll8/4.2s)

  • OEM part number: 11514596
  • Quantity in car: 2
  • Hex flanged head, m8x1.25, 17.9 outside diameter, 738 thick, 13mm hexagon, 10, zf (oil pan)

$0.17—8.53

Available in 3 shops

Add to cart

Bolt, hex flanged head, engine assembly 4.2l l6 oil pump, pan and related parts (ll8/4.2s)

  • OEM part number: 11517692
  • Quantity in car: 1
  • M6x1x25, 21.5 thread, 14.2 outside diameter, 9.8, 6280m, machine, 6124m, header-point

$2.57—2.77

Available in 38 shops

Add to cart

Stud, engine assembly 4.2l l6 oil pump, pan and related parts (ll8/4.2s)

  • OEM part number: 11517903
  • Quantity in car: 2
  • Straight, m8x1.25x27.5, m8x1.25x27.5, 58.5 tl, 9.8, 7114m, machine (left-hand position #5, right-hand position #1)

$2.76—3.17

Available in 38 shops

Add to cart

Bolt, engine assembly 4.2l l6 oil pump, pan and related parts (ll8/4.2s)

  • OEM part number: 11562426
  • Quantity in car: 1

$4.18—5.17

Available in 38 shops

Add to cart

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