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  1. Home
  2. Chevrolet Trucks
  3. 2003
  4. Silverado 3500 4WD (New Style)
  5. Engine V8

2003 Chevrolet Trucks Silverado 3500 4WD (New Style) engine v8 parts catalog

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Bolt, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11516480
  • Quantity in car: 1
  • Water pump cover (m6x1x25-10mm socket)
  • Usage: CK2, 3 (LQ4)

$3.23—4.17

Available in 38 shops

Add to cart

Bolt, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11516480
  • Quantity in car: 2
  • Usage: CK1, 2, 3 (LQ4)

$3.23—4.17

Available in 38 shops

Add to cart

Bolt, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11588714
  • Quantity in car: 4

$2.86—5.88

Available in 39 shops

Add to cart

Plug, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11588949
  • Quantity in car: 1
  • M16x1.5x14, 24 outside diameter, sae 1010 steel, gmw3044, with aluminum washer (engine block coolant drain hole)

$5.16—12.11

Available in 38 shops

Add to cart

Seal, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12551905
  • Quantity in car: 1
  • Water pump cover (O-ring) (water pump backplate)
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$1.71—1.88

Available in 38 shops

Add to cart

Bolt, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12551926
  • Quantity in car: 6
  • Water pump (m8x1.25x83)
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$2.89—8.75

Available in 38 shops

Add to cart

Seal, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12551933
  • Quantity in car: 4
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$5.18—5.87

Available in 38 shops

Add to cart

Seal, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12561155
  • Quantity in car: 1
  • Water pump (engine coolant thermostat hsng-between inlet)
  • Usage: CK1, 2, 3 (LQ4)

$7.24—14.42

Available in 38 shops

Add to cart

Cover, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12561243
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4)
  • A Service Bulletin Applies To This Part Number. Per Gm Service Policies And Procedures, Failure To Follow Bulletin Information May Result In The Rejection Of A Warranty Claim.

$61.41—73.37

Available in 38 shops

Add to cart

Cover, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12561243
  • Quantity in car: 1
  • Usage: CK2, 3 (LQ4)

$61.41—73.37

Available in 38 shops

Add to cart

Plug LH, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12561663
  • Quantity in car: 1
  • Engine block coolant drain hole (m28x1.25x12.4, brass)
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4)

$5.96—8.11

Available in 38 shops

Add to cart

Hose, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12570528
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$4.29—18.65

Available in 38 shops

Add to cart

Inlet, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12571261
  • Quantity in car: 1
  • Water pump (used on pumps with casting number 12562459) (if water pump has been replaced by 2004 or newer pump, must also use -2004 or newer inlet.)
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$33.26—36.33

Available in 2 shops

Add to cart

Seal, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12585673
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4), CK1, 2, 3 (LQ4)

$15.61—32.78

Available in 38 shops

Add to cart

Inlet, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12600172
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LM7), CK1, 2, 3 (LQ4), CK1, 2, 3 (LQ4), CK1, 2, 3 (LM7)

$33.77—36.89

Available in 2 shops

Add to cart

Cover, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12602540
  • Quantity in car: 2
  • Engine coolant air bleed pipe hole (includes seals)
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4)

$7.19—14.72

Available in 38 shops

Add to cart

Pipe, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12604711
  • Quantity in car: 1
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4)

$35.04—38.29

Available in 2 shops

Add to cart

Sensor, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12608814
  • Quantity in car: 1
  • Engine coolant temp (2-way male)
  • Usage: CK1, 2, 3 (LM7, LQ4, LQ9, LR4, L59), CK1, 2, 3 (LM7, LQ4, LQ9, LR4, L59), CK1, 2, 3 (LR4, LM7, LQ4), CK1, 2, 3 (LR4, LM7, LQ4)

$17.89—19.26

Available in 2 shops

Add to cart

Gasket, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12630223
  • Quantity in car: 2
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$3.56—7.52

Available in 38 shops

Add to cart

Gasket, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12633904
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4)

$16.70—20.68

Available in 38 shops

Add to cart

Pump kit, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 19256261
  • Quantity in car: 1
  • Water (must order 12600172 inlet & 11516480 bolt when replace 89018166)
  • Usage: CK1, 2, 3 (LQ4), CK1, 2, 3 (LM7), CK2, 3 (LQ4)

$146.33—152.87

Available in 2 shops

Add to cart

Clamp, engine assembly v8 front cover and cooling (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 25526358
  • Quantity in car: 2
  • Sprg band, 14.2mm, 9/16 outside diameter hose, por

$2.29—4.88

Available in 38 shops

Add to cart

Cap, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 10108694
  • Quantity in car: 1
  • Oil filler (sae 10w30, includes seal, screw in style, stamped special engine oil required)
  • Usage: CK2, 3 (LQ4)

$6.52—8.16

Available in 38 shops

Add to cart

Cap, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 10166344
  • Quantity in car: 16
  • Valve spring
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$2.40—4.59

Available in 38 shops

Add to cart

Key, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 10166345
  • Quantity in car: 32
  • Valve stem
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$1.67—2.26

Available in 38 shops

Add to cart

Grommet, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 10198949
  • Quantity in car: 1
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4)

$5.16—9.96

Available in 38 shops

Add to cart

Armature, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 10214664
  • Quantity in car: 16
  • Valve rocker
  • Usage: CK1, 2, 3 (LQ4)

$9.27—10.39

Available in 2 shops

Add to cart

Armature, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 10214664
  • Quantity in car: 16
  • Valve rocker
  • Usage: CK2, 3 (LQ4)
  • A Service Bulletin Applies To This Part Number. Per Gm Service Policies And Procedures, Failure To Follow Bulletin Information May Result In The Rejection Of A Warranty Claim.

$9.27—10.39

Available in 2 shops

Add to cart

Rod, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 10238852
  • Quantity in car: 16
  • Valve push
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$12.62—16.53

Available in 38 shops

Add to cart

Plug, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11562126
  • Quantity in car: 2
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$1.80—2.47

Available in 38 shops

Add to cart

Bolt, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11588291
  • Quantity in car: 16
  • Cylinder head (hex flanged head, m11x2.0x155, 50 thread with adhesive patch)
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4)

$5.41—9.59

Available in 38 shops

Add to cart

Wire, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12192133
  • Quantity in car: 8
  • Spark plug (10.5in) (7mm diameter, 10.5"long) (without heat shield) (ignition cable) (used with coil stamped 12558693)
  • Usage: CK1, 2, 3 (LQ4)

$8.57—10.67

Available in 38 shops

Add to cart

Wire, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12192195
  • Quantity in car: 8
  • Spark plug (7mm diameter, 9.2"long) (without heat shield) (ignition cable) (used with coil stamped 19005218, for first design see 12192133)
  • Usage: CK2, 3 (LQ4) (2ND DES)

$9.31—10.47

Available in 2 shops

Add to cart

Wire, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12192195
  • Quantity in car: 8
  • Spark plug (9.2in) (7mm diameter, 9.2"long) (without heat shield) (ignition cable)
  • Usage: CK1, 2, 3 (LQ4)

$9.31—10.47

Available in 2 shops

Add to cart

Seal kit, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12482062
  • Quantity in car: 1
  • Exhaust valve stem oil (22.8mm)
  • Usage: CK1, 2, 3 (LQ4)

$20.74—23.33

Available in 2 shops

Add to cart

Seal kit, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12482062
  • Quantity in car: 1
  • Exhaust valve stem oil (22.8mm) (uses integrated seal and spring shim) (first design see 12457652)
  • Usage: CK2, 3 (LQ4) (2ND DES)

$20.74—23.33

Available in 2 shops

Add to cart

Seal kit, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12482063
  • Quantity in car: 1
  • Intake valve stem oil (14.4mm) (uses integrated seal & spring shim) (first design see 12533586)
  • Usage: CK2, 3 (LQ4) (2ND DES)

$18.14—21.45

Available in 38 shops

Add to cart

Seal kit, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12482063
  • Quantity in car: 1
  • Intake valve stem oil (with spring shim) (14.4mm)
  • Usage: CK1, 2, 3 (LQ4)

$18.14—21.45

Available in 38 shops

Add to cart

Guide, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12551162
  • Quantity in car: 4
  • Valve lifter (accommodates 4 valve lftrs each, without side grooves)
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$3.69—4.15

Available in 2 shops

Add to cart

Bolt, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12551163
  • Quantity in car: 4
  • Valve lifter guide (m6x1.0x19)
  • Usage: CK1, 2, 3 (LQ4)

$1.72—2.11

Available in 38 shops

Add to cart

Support, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12552203
  • Quantity in car: 2
  • Valve rocker armature pivot
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$3.76—5.15

Available in 38 shops

Add to cart

Plug, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12553191
  • Quantity in car: 1
  • Cylinder head core hole (m12x1.5x21.2) (hexagon, socket)
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$3.16—5.16

Available in 2 shops

Add to cart

Stud, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12554211
  • Quantity in car: 10
  • Ignition coil bracket (hexagon flanged head, m6x1x18) (m6x1x18.5x14)
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4)

$4.71—5.30

Available in 38 shops

Add to cart

Hose, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12556932
  • Quantity in car: 1
  • Positive crankcase ventilation
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4)

$5.62—6.73

Available in 38 shops

Add to cart

Valve, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12558295
  • Quantity in car: 8
  • Exhaust (standard)
  • Usage: CK1, 2, 3 (LQ4, KL5)

$32.86—51.85

Available in 38 shops

Add to cart

Bolt, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12558840
  • Quantity in car: 10
  • Cylinder head (short) (m8x1.25x45)
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$1.33—2.80

Available in 38 shops

Add to cart

Bolt, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12560745
  • Quantity in car: 4
  • Cylinder head (short) (m11x2.0x100.0-6g thread) (with adhesive patch)
  • Usage: CK1, 2, 3 (LQ4)

$1.38—2.82

Available in 38 shops

Add to cart

Bolt, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12560745
  • Quantity in car: 4
  • Cylinder head (m11x2.0x100.0-6g thread) (with adhesive patch)
  • Usage: CK2, 3 (LQ4)

$1.38—2.82

Available in 38 shops

Add to cart

Bolt, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12560961
  • Quantity in car: 16
  • Valve rocker armature pivot support (m8x1.25x52.5)
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$3.45—4.70

Available in 38 shops

Add to cart

Head, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12562319
  • Quantity in car: 2
  • Usage: CK1, 2, 3 (LQ4) (EXC KL5), CK2, 3 (LQ4) (EXC KL5)

$360.15—498.10

Available in 38 shops

Add to cart

Valve, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12562952
  • Quantity in car: 8
  • Intake (0.015" oversize)
  • Usage: CK1, 2, 3 (43) (LQ4, MT1) (EXC KL5), CK2, 3 (LQ4, MW3)

$107.86—121.37

Available in 2 shops

Add to cart

Valve, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12562954
  • Quantity in car: 8
  • Exhaust (0.015" oversize)
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4) (EXC KL5)

$32.25—36.11

Available in 2 shops

Add to cart

Valve, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12563063
  • Quantity in car: 8
  • Intake (standard)
  • Usage: CK1, 2, 3 (LQ4, MT1) (EXC KL5), CK2, 3 (LQ4, MW3)

$16.89—20.28

Available in 38 shops

Add to cart

Valve, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12563064
  • Quantity in car: 8
  • Exhaust (standard)
  • Usage: CK1, 2, 3 (LQ4) (EXC KL5), CK2, 3 (LQ4) (EXC KL5)

$16.12—18.05

Available in 2 shops

Add to cart

Head, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12564335
  • Quantity in car: 2
  • Usage: CK1, 2, 3 (LQ4, MT1, KL5), CK2, 3 (LQ4, KL5)

$378.84—426.30

Available in 2 shops

Add to cart

Valve, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12564338
  • Quantity in car: 8
  • Intake (standard)
  • Usage: CK1, 2, 3 (LQ4, MT1, KL5)

$14.58—20.74

Available in 38 shops

Add to cart

Pinion, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12570326
  • Quantity in car: 4
  • Cylinder head location
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$2.86—5.91

Available in 38 shops

Add to cart

Cover LH, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12570427
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$92.39—109.41

Available in 38 shops

Add to cart

Tube, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12570623
  • Quantity in car: 1
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4)

$8.81—21.29

Available in 38 shops

Add to cart

Valve, engine assembly v8 cylinder head and related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12572717
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4)

$4.13—4.32

Available in 2 shops

Add to cart

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