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  1. Home
  2. GMC Trucks
  3. 2003
  4. Sierra 2500 2WD (New Style)
  5. Engine V8

2003 GMC Trucks Sierra 2500 2WD (New Style) engine v8 parts catalog

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

  • OEM part number: 12560966
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7)

$?

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

  • OEM part number: 12560967
  • Quantity in car: 1
  • Usage: CK2 (LQ4), CK1, 2 (LM7), C1, 2 (LM7), CK1, 2 (LM7)

$222.46—365.96

Available in 38 shops

Add to cart

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

  • OEM part number: 12561721
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4), CK2, 3 (LQ4)

$299.01—345.22

Available in 38 shops

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

  • OEM part number: 12576652
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7), CK2 (LQ4), CK1, 2, 3 (LQ4), C1, 2 (LM7), CK2, 3 (LQ4), CK1, 2 (LM7)

$3.78—95.79

Available in 2 shops

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

  • OEM part number: 12556582
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7), CK2 (LQ4), CK1, 2 (LM7), CK1, 2, 3 (LQ4), C1, 2 (LM7), CK2, 3 (LQ4)

$21.62—24.20

Available in 38 shops

Add to cart

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

  • OEM part number: 12559357
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7), C1, 2 (LM7), CK1, 2 (LM7, M30)

$484.06—541.98

Available in 2 shops

Add to cart

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

  • OEM part number: 12561302
  • Quantity in car: 1
  • Usage: CK2, 3 (LQ4), CK1, 2, 3 (LQ4) (EXC CNE)

$584.73—654.71

Available in 2 shops

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

  • OEM part number: 12561302
  • Quantity in car: 1
  • (when replacing 1999-2000 crankshaft with 12561302 2001 crankshaft, also use 12563532 spacer, 6-12563533 bolts and if applicable 12557583 pilot bearing)
  • Usage: CK2 (LQ4)

$584.73—654.71

Available in 2 shops

Add to cart

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

  • OEM part number: 12569768
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4, CNE), CK1, 2, 3 (LQ4)

$550.54—616.44

Available in 2 shops

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

  • OEM part number: 12561513
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7), CK2 (LQ4), CK1, 2, 3 (LQ4), C1, 2 (LM7), CK2, 3 (LQ4), CK1, 2 (LM7)

$2.89—3.05

Available in 2 shops

Add to cart

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

  • OEM part number: 89017571
  • Quantity in car: 4
  • Usage: CK1, 2 (LM7), CK1, 2, 3 (LQ4), CK2 (LQ4), C1, 2 (LM7), CK2, 3 (LQ4), CK1, 2 (LM7)

$27.19—43.85

Available in 38 shops

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

  • OEM part number: 89017572
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7), CK1, 2, 3 (LQ4), CK2 (LQ4), CK1, 2 (LM7), CK2, 3 (LQ4)

$26.82—34.65

Available in 38 shops

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

$2.76—5.00

Available in 38 shops

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

  • OEM part number: 12557583
  • Quantity in car: 1
  • Clutch pilot (22.7mm inside diameter, 43.3mm outside diameter, 13 thick) (when replacing 1999-2000 crankshaft with 12561302 2001 crankshaft, also use 12563532 spacer, (6) 12563533 bolts and if applicable 12557583 pilot bearing)
  • Usage: CK2, 3 (LQ4, MW3)

$10.53—20.32

Available in 38 shops

Add to cart

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

  • OEM part number: 12557583
  • Quantity in car: 1
  • Clutch pilot (22.7mm inside diameter, 43.3mm outside diameter, 13 thick)
  • Usage: CK2, 3 (LQ4, MW3)

$10.53—20.32

Available in 38 shops

Add to cart

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

  • OEM part number: 14061685
  • Quantity in car: 1
  • Clutch pilot (.600 in inside diameter, 1.096 outside diameter, .720 in thick)
  • Usage: CK2 (LQ4, MW3)

$12.60—15.91

Available in 38 shops

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

  • OEM part number: 12639249
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LQ4), CK1, 2 (LM7), CK1, 2 (LM7), CK2, 3 (LQ4), CK1, 2 (LQ4)

$16.25—18.67

Available in 37 shops

Add to cart

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

  • OEM part number: 12633579
  • Quantity in car: 1
  • Crankshaft rear oil seal (on 2002 and prior applications, (12) 12556127 mounting bolts must be used)
  • Usage: CK1, 2, 3 (LQ4), C1, 2 (LM7), CK1, 2 (LM7), CK1, 2, 3 (LQ4), CK2 (LQ4)

$45.15

Available in 1 shop

Add to cart

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

  • OEM part number: 12633579
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7)

$45.15

Available in 1 shop

Add to cart

11515758 genuine OEM part.

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

  • OEM part number: 11515758
  • Quantity in car: 6
  • Usage: CK1, 2, 3 (LQ4)

$0.59—3.03

Available in 3 shops

Add to cart

11515758 genuine OEM part.

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

  • OEM part number: 11515758
  • Quantity in car: 12
  • Usage: CK1, 2 (LM7)

$0.59—3.03

Available in 3 shops

Add to cart

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

  • OEM part number: 89060436
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7), CK1, 2, 3 (LQ4), CK1, 2 (LM7), CK2 (LQ4), CK2, 3 (LQ4)

$14.78—21.02

Available in 38 shops

Add to cart

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

  • OEM part number: 12602448
  • Quantity in car: 1
  • Automatic transmission flexible
  • Usage: CK1, 2 (LM7), C2 (LM7), CK1, 2 (LM7, M30), CK2, 3 (LQ4, M32)

$99.37—111.82

Available in 2 shops

Add to cart

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

  • OEM part number: 12563532
  • Quantity in car: 1
  • Flywheel
  • Usage: CK2, 3 (LQ4, MT1), CK1, 2, 3 (LQ4, MT1)

$34.29—43.35

Available in 38 shops

Add to cart

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

  • OEM part number: 12563532
  • Quantity in car: 1
  • Flywheel (when replacing 1999-2000 crankshaft with 12561302 2001 crankshaft, also use 12563532 spacer, 6-12563533 bolts and if applicable 12557583 pilot bearing)
  • Usage: CK2 (LQ4)

$34.29—43.35

Available in 38 shops

Add to cart

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

  • OEM part number: 12563533
  • Quantity in car: 6
  • Usage: CK2, 3 (LQ4, MT1), CK1, 2, 3 (LQ4, MT1)

$0.59—4.41

Available in 2 shops

Add to cart

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

  • OEM part number: 12563533
  • Quantity in car: 6
  • Flywheel (when replacing 1999-2000 crankshaft with 12561302 2001 crankshaft, also use 12563532 spacer, 6-12563533 bolts and if applicable 12557583 pilot bearing) (hwh, m11x1.5x28, 12.6 tl, 22 outside diameter, 7114m, machine, 6124m)
  • Usage: CK2 (LQ4)

$0.59—4.41

Available in 2 shops

Add to cart

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

  • OEM part number: 11569956
  • Quantity in car: 6
  • Usage: CK1, 2, 3 (LQ4, M32, MW3), CK1, 2 (LM7), C1, 2 (LM7), CK1, 2 (LM7, M30), CK2, 3 (LQ4, MW3, M32), CK2 (LQ4, MW3, MT1)

$2.15—2.96

Available in 38 shops

Add to cart

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

  • OEM part number: 12561465
  • Quantity in car: 6
  • Usage: CK2 (LQ4, MW3), CK2, 3 (LQ4, MW3)

$0.55—0.70

Available in 38 shops

Add to cart

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

  • OEM part number: 15765633
  • Quantity in car: 1
  • Usage: CK2 (LQ4, MW3), CK2, 3 (LQ4, MW3)

$304.16—356.36

Available in 38 shops

Add to cart

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

  • OEM part number: 15033810
  • Quantity in car: 1
  • Usage: CK2, 3 (LQ4, MW3), CK2 (LQ4, MW3)

$209.02—235.21

Available in 2 shops

Add to cart

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

  • OEM part number: 11588949
  • Quantity in car: 2
  • 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

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

  • OEM part number: 03890191
  • Quantity in car: 1
  • Usage: CK1, 2 (LM7), CK2 (LQ4), CK2, 3 (LQ4), C1, 2 (LM7), CK1, 2, 3 (LQ4), CK1, 2 (LM7)

$?

Add to cart

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

  • OEM part number: 03890192
  • Quantity in car: 1
  • Flywheel (barrel-shaped pinion, .50" long) (2380/.2500 x .50) (barrel-shaped pinion) (groove-f)
  • Usage: CK1, 2 (LM7), CK2 (LQ4)

$?

Add to cart

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

  • OEM part number: 03890193
  • Quantity in car: 1
  • Flywheel (barrel-shaped pinion (groove-f), .75" long) (.75"lg) (barrel-shaped pinion)
  • Usage: CK1, 2 (LM7), CK2 (LQ4)

$?

Add to cart

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