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  1. Home
  2. Chevrolet Trucks
  3. 2003
  4. Avalanche 1500 4WD
  5. Engine V8

2003 Chevrolet Trucks Avalanche 1500 4WD engine v8 parts catalog

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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

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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 (LM7), CK1 (LR4), CK1, 2, 3 (LQ4), K1 (LM7), C1, 2 (LM7), CK1, 2 (LM7)

$1.71—1.88

Available in 38 shops

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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 (LM7), CK1, 2, 3 (LQ4), CK1 (LR4), CK1, 2 (LM7)

$2.89—8.75

Available in 38 shops

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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 (LM7), CK1, 2, 3 (LQ4), CK1 (LR4), K1 (LM7), C1, 2 (LM7), CK1, 2 (LM7)

$5.18—5.87

Available in 38 shops

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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 (LM7), CK1 (LR4), CK1, 2, 3 (LQ4), CK1, 2 (LM7)

$7.24—14.42

Available in 38 shops

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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 (LM7), CK1 (LR4), K1 (LM7), C1, 2 (LM7), CK1, 2 (LM7)

$61.41—73.37

Available in 38 shops

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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

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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: CK1 (LR4), CK1, 2, 3 (LQ4), CK1, 2 (LM7)

$5.96—8.11

Available in 38 shops

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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 (LR4), C1, 2 (LM7), CK1, 2, 3 (LQ4), K1 (LM7), CK1, 2 (LM7), CK1, 2 (LM7)

$4.29—18.65

Available in 38 shops

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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: C1, 2 (LM7), CK1, 2, 3 (LQ4), K1 (LM7), CK1, 2 (LM7), CK1 (LR4)

$33.26—36.33

Available in 2 shops

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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, includes inlet, seal, thermostat, valve, retainer) (if water pump has been replaced by 2004 or newer pump, must also use -2004 or
  • Usage: CK1, 2 (LM7)

$33.26—36.33

Available in 2 shops

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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 (LR4), CK1, 2, 3 (LQ4), CK1, 2 (LM7), CK1, 2, 3 (LQ4)

$15.61—32.78

Available in 38 shops

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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 (LR4), CK1, 2, 3 (LQ4), CK1, 2, 3 (LQ4), CK1, 2, 3 (LM7)

$33.77—36.89

Available in 2 shops

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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: K1 (LM7), CK1, 2 (LM7), CK1, 2 (LM7), C1, 2 (LM7), CK1 (LR4), CK1, 2, 3 (LQ4)

$7.19—14.72

Available in 38 shops

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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: CK1 (LR4), CK1, 2 (LM7), C1, 2 (LM7), K1 (LM7), CK1, 2 (LM7), CK1, 2, 3 (LQ4)

$35.04—38.29

Available in 2 shops

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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

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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 (LR4), CK1, 2, 3 (LQ4), CK1, 2 (LM7), C1, 2 (LM7), K1 (LM7), CK1, 2 (LM7)

$3.56—7.52

Available in 38 shops

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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 (LM7), CK1 (LR4), C1, 2 (LM7), CK1, 2, 3 (LQ4), CK1, 2 (LM7), K1 (LM7), C1 (LR4, TZ0, P96) (EXPORT)

$16.70—20.68

Available in 38 shops

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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
  • Usage: CK1 (LR4), CK1, 2 (LM7)

$146.33—152.87

Available in 2 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)

$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

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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 (LM7), CK1, 2, 3 (LQ4), CK1 (LR4), K1 (LM7), C1, 2 (LM7), CK1, 2 (LM7)

$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 (LM7), CK1, 2, 3 (LQ4), CK1 (LR4), K1 (LM7), C1, 2 (LM7), CK1, 2 (LM7)

$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: CK1, 2 (LM7), CK1 (LR4), K1 (LM7)

$5.16—9.96

Available in 38 shops

Add to cart

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