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  1. Home
  2. GMC Trucks
  3. 2012
  4. Sierra 1500 Extended Cab 2WD
  5. Engine V8

2012 GMC Trucks Sierra 1500 Extended Cab 2WD engine v8 parts catalog

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Crankshaft, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12588615
  • Quantity in car: 1
  • Usage: CK1 (L20)

$182.15—307.13

Available in 38 shops

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Retainer, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12589016
  • Quantity in car: 1
  • Camshaft (includes seal) (use with bolt 11561455)
  • Usage: CK1 (L20)

$14.92—28.52

Available in 38 shops

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Plate, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12602448
  • Quantity in car: 1
  • Automatic transmission flexible
  • Usage: CK1 (L94, L20)

$99.37—111.82

Available in 2 shops

Add to cart

Actuator, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12606358
  • Quantity in car: 1
  • Camshaft position
  • Usage: CK1 (L20)

$79.73—82.50

Available in 2 shops

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Rod, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12607478
  • Quantity in car: 8
  • Connect
  • Usage: CK1 (L20, M30)

$50.40—92.01

Available in 38 shops

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Camshaft, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12625437
  • Quantity in car: 1
  • Engine
  • Usage: CK1 (L20, M30)

$78.48—84.45

Available in 2 shops

Add to cart

Tensioner kit, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12626407
  • Quantity in car: 1
  • Timing chain (includes bolt, retainer)
  • Usage: CK1 (L20, LZ1, L94)

$25.21—44.55

Available in 38 shops

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Housing, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12633579
  • Quantity in car: 1
  • Usage: CK1 (LZ1, L20, L94)

$45.15

Available in 1 shop

Add to cart

Gasket, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 12639249
  • Quantity in car: 1
  • Usage: CK1 (LZ1, L20, L94)

$16.25—18.67

Available in 37 shops

Add to cart

Bearing, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 19167218
  • Quantity in car: 1
  • Camshaft (position #3)
  • Usage: CK1 (L20)

$2.99—3.37

Available in 2 shops

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Bearing, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 19167382
  • Quantity in car: 2
  • Camshaft (position #2 & 4)
  • Usage: CK1 (L20, L94)

$3.05—3.43

Available in 2 shops

Add to cart

Bearing, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 19167383
  • Quantity in car: 2
  • Camshaft (position #1, 5)
  • Usage: CK1 (L20)

$4.26—4.80

Available in 2 shops

Add to cart

Piston, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 19208675
  • Quantity in car: 1
  • (with pinion) (standard)
  • Usage: CK1 (L20)

$31.50—50.76

Available in 38 shops

Add to cart

Piston, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 19208676
  • Quantity in car: 1
  • (with pinion) (0.5mm oversize)
  • Usage: CK1 (L20)

$142.62—164.93

Available in 38 shops

Add to cart

Ring kit, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 19208677
  • Quantity in car: 1
  • Piston (standard)
  • Usage: CK1 (L20, M30)

$30.90—34.47

Available in 38 shops

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Plug, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 24502262
  • Quantity in car: 1
  • Cup, 1.014 outside diameter, .32 thick, from .05 thick 304 stainless.

$2.82—3.85

Available in 38 shops

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Pinion, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 24575061
  • Quantity in car: 1
  • Camshaft sprocket location (17mm long)
  • Usage: CK1 (L20, LZ1, L94)

$3.88—6.83

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 89017571
  • Quantity in car: 4
  • Crankshaft (#1, 2, 4, 5) (standard)
  • Usage: CK1 (L20, LZ1, L94)

$27.19—43.85

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 89017572
  • Quantity in car: 1
  • Crankshaft thrust (standard) (#3)
  • Usage: CK1 (L20, LZ1, L94)

$26.82—34.65

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 89017573
  • Quantity in car: 16
  • Connect rod (standard)
  • Usage: CK1 (L20, M30)

$11.91—14.82

Available in 37 shops

Add to cart

Seal kit, engine assembly 4.8l v8 cylinder block and related parts (l20/4.8a)

  • OEM part number: 89060436
  • Quantity in car: 1
  • Usage: CK1 (L94, L20, LZ1)

$14.78—21.02

Available in 38 shops

Add to cart

Cap, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 10166344
  • Quantity in car: 16
  • Valve spring
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (L94, LZ1, L20)

$2.40—4.59

Available in 38 shops

Add to cart

Key, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 10166345
  • Quantity in car: 16
  • Valve stem
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (LZ1, L94, L20)

$1.67—2.26

Available in 38 shops

Add to cart

Armature, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 10214664
  • Quantity in car: 16
  • Valve rocker
  • Usage: CK1 (LY2), CK1 (L20)

$9.27—10.39

Available in 2 shops

Add to cart

Rod, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 10238852
  • Quantity in car: 16
  • Valve push
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (L20, L94, LZ1)

$12.62—16.53

Available in 38 shops

Add to cart

Plug, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 11562126
  • Quantity in car: 2
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (L20, LZ1)

$1.80—2.47

Available in 38 shops

Add to cart

Bolt, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 11571134
  • Quantity in car: 20
  • Cylinder head (m11x2x100)
  • Usage: CK1 (LY2), CK1 (L94, LZ1, L20)

$1.50

Available in 1 shop

Add to cart

Plug, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 11610259
  • Quantity in car: 1
  • Cylinder head core hole (m12x1.5x21.2) (hexagon, socket)
  • Usage: CK1 (LY2), CK1 (L20)

$4.92—6.62

Available in 38 shops

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Seal kit, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12482062
  • Quantity in car: 1
  • Exhaust valve stem oil (22.8mm)
  • Usage: CK1 (LY5, L76, LH6, LY2), CK1 (LZ1, L94, L20)

$20.74—23.33

Available in 2 shops

Add to cart

Seal kit, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12482063
  • Quantity in car: 1
  • Intake valve stem oil (with spring shim) (14.4mm)
  • Usage: CK1 (LY5, L76, LH6, LY2), CK1 (LZ1, L20, L94)

$18.14—21.45

Available in 38 shops

Add to cart

Bolt, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12551163
  • Quantity in car: 4
  • Valve lifter guide (side) (short) (m6x1.0x19)
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (L20, L94, LZ1)

$1.72—2.11

Available in 38 shops

Add to cart

Support, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12552203
  • Quantity in car: 2
  • Valve rocker armature pivot
  • Usage: CK1 (LY2, LY5, LH6), CK1 (L20, LZ1)

$3.76—5.15

Available in 38 shops

Add to cart

Stud, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12554211
  • Quantity in car: 10
  • Ignition coil bracket (hexagon flanged head, m6x1x18) (m6x1x18.5x14)
  • Usage: CK1 (LY2, LY5, LH6, L76), CK1 (LZ1, L20, L94)

$4.71—5.30

Available in 38 shops

Add to cart

Bolt, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12558840
  • Quantity in car: 10
  • Cylinder head (short) (m8x1.25x45)
  • Usage: CK1 (LY2), CK1 (L20, LZ1, L94)

$1.33—2.80

Available in 38 shops

Add to cart

Bolt, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12560961
  • Quantity in car: 16
  • Valve rocker armature pivot support (m8x1.25x52.5)
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (LZ1, L94, L20)

$3.45—4.70

Available in 38 shops

Add to cart

Valve, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12563064
  • Quantity in car: 8
  • Exhaust (standard)
  • Usage: CK1 (L20), CK1 (LY5, LH6, LY2)

$16.12—18.05

Available in 2 shops

Add to cart

Valve, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12564338
  • Quantity in car: 8
  • Intake (standard)
  • Usage: CK1 (LY2, M30)

$14.58—20.74

Available in 38 shops

Add to cart

Pinion, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12570326
  • Quantity in car: 4
  • Cylinder head location
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (L94, LZ1, L20)

$2.86—5.91

Available in 38 shops

Add to cart

Cap, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12573337
  • Quantity in car: 1
  • Usage: CK1 (LY5, LY2, L76, LH6), CK1 (L20)

$7.70—16.80

Available in 38 shops

Add to cart

Cap, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12573337
  • Quantity in car: 1
  • Oil filler (non-vented, seal) (labeled sae 5w30, for second design see 12577268)
  • Usage: CK1 (L20) (1ST DES)

$7.70—16.80

Available in 38 shops

Add to cart

Lifter, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12576400
  • Quantity in car: 16
  • Valve (non active)
  • Usage: CK1 (L20, LZ1), CK1 (L76, LY5, LY2)

$17.41—18.64

Available in 2 shops

Add to cart

Bolt, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12577215
  • Quantity in car: 8
  • Valve rocker armature cover (m6.0x1.0) (with grommet, sleeve)
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (L94, LZ1, L20)

$2.89—6.02

Available in 38 shops

Add to cart

12577268 genuine OEM part.

Cap, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12577268
  • Quantity in car: 1
  • Oil filler (labeled "dexos" for first design see 12573337)
  • Usage: CK1 (LZ1, L20) (2ND DES)

$1.96—5.61

Available in 2 shops

Add to cart

12577268 genuine OEM part.

Cap, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12577268
  • Quantity in car: 1
  • Oil filler
  • Usage: CK1 (LZ1, L20)

$1.96—5.61

Available in 2 shops

Add to cart

Gasket, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12589226
  • Quantity in car: 2
  • Cylinder head
  • Usage: CK1 (LY2, LY5, LH6), CK1 (L20)

$19.32—47.30

Available in 38 shops

Add to cart

Spring, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12589774
  • Quantity in car: 16
  • Valve
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (LZ1, L20, L94)

$2.39—2.69

Available in 2 shops

Add to cart

Guide, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12595365
  • Quantity in car: 4
  • Valve lifter (accommodates 4 valve lftrs each, with side grooves)
  • Usage: CK1 (LY2), CK1 (L20)

$6.08—7.72

Available in 38 shops

Add to cart

Tube, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12597774
  • Quantity in car: 1
  • Positive crankcase ventilation (dirty air) (with polyvinyl chloride valve at manifold)
  • Usage: CK1 (LY2), CK1 (LZ1, L20, L94)

$5.71—7.13

Available in 38 shops

Add to cart

Sensor, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12608814
  • Quantity in car: 1
  • Engine coolant temp
  • Usage: CK1 (L76, LFA, LH6, LMG, LY2, LY5), CK1 (L20, M30), CK1 (L20, M30), CK1 (L76, LFA, LH6, LMG, LY2, LY5)

$17.89—19.26

Available in 2 shops

Add to cart

Tube, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12609373
  • Quantity in car: 1
  • Positive crankcase ventilation (fresh air)
  • Usage: CK1, 2, 3 (LC9, LFA, LH6, LMG, LY2, LY5, LY6, L76, L9H), CK1, 2, 3 (LC9, LMG, LY6, LZ1, L20, L9H, L94, L96), CK1, 2, 3 (LC9, LMG, LZ1, L20, L9H, L94, L96)

$5.71—7.14

Available in 38 shops

Add to cart

Tube, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12609624
  • Quantity in car: 1
  • Oil filler
  • Usage: CK1 (LY2), CK1 (LZ1, L20, L94)

$7.55—10.28

Available in 38 shops

Add to cart

Gasket, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12612045
  • Quantity in car: 2
  • Valve rocker armature cover
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (LZ1, L20, L94)

$3.19

Available in 1 shop

Add to cart

Head, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12615363
  • Quantity in car: 2
  • Cylinder (includes head, guides, seats) (except valves)
  • Usage: CK1 (LY2)

$1.50—492.72

Available in 2 shops

Add to cart

Spark plug, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12621258
  • Quantity in car: 8
  • (gap 0.040) (do not change spark plug gap from .040) (iridium)
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (LZ1, L20, L94)

$5.60—5.90

Available in 2 shops

Add to cart

Valve, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12627971
  • Quantity in car: 8
  • Int
  • Usage: CK1 (L20)

$4.65—8.98

Available in 38 shops

Add to cart

Head, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12629049
  • Quantity in car: 2
  • Cylinder (includes guides, seats, plug)
  • Usage: CK1 (L20, M30)

$492.72—865.53

Available in 38 shops

Add to cart

Cover RH, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12637684
  • Quantity in car: 1
  • Valve rocker armature (includes cover, gasket, bolt, connector, baffle, cap)
  • Usage: CK1 (L20, M30), CK1 (LY2)

$49.27—88.57

Available in 37 shops

Add to cart

Cover LH, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 12642655
  • Quantity in car: 1
  • Valve rocker armature
  • Usage: CK1 (L20), CK1 (LY2)

$48.13—60.83

Available in 37 shops

Add to cart

Shield, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 15336959
  • Quantity in car: 8
  • Spark plug wire
  • Usage: CK1 (LY2, LY5, L76, LH6)

$4.48—5.04

Available in 2 shops

Add to cart

Wire, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 19206446
  • Quantity in car: 8
  • Spark plug
  • Usage: CK1 (LY2), CK1 (LZ1, L20, L94)

$17.28—19.45

Available in 2 shops

Add to cart

Wire kit, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 19206447
  • Quantity in car: 1
  • Usage: CK1 (LY2), CK1 (LZ1, L20, L94, M99)

$70.56—73.61

Available in 2 shops

Add to cart

Seal, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 24100002
  • Quantity in car: 1
  • Oil filler tube (O-ring) (27.94mm inside diameter) (size #320)
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (LZ1, L20, L94)

$0.43

Available in 1 shop

Add to cart

Seal, engine assembly 4.8l v8 cylinder head and related parts (l20/4.8a)

  • OEM part number: 24100002
  • Quantity in car: 1
  • Usage: CK1 (LY2, LY5, L76, LH6), CK1 (LZ1, L20, L94)

$0.43

Available in 1 shop

Add to cart

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