2003 Chevrolet Trucks Express 3500 engine v8 parts catalog

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

  • OEM part number: 12621258
  • Quantity in car: 8
  • (gap 0.040) (do not change spark plug gap from .040) (iridium)
  • Usage: G2, 3 (LR4)

$5.605.90

Available in 2 shops

Add to cart


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

  • OEM part number: 12633904
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$16.7020.68

Available in 38 shops

Add to cart


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

  • OEM part number: 12633904
  • Quantity in car: 1
  • Engine front cover (optional with 12574294 (ntpb) use 12558013 for service)
  • Usage: G2, 3 (LR4)

$16.7020.68

Available in 38 shops

Add to cart


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

  • OEM part number: 17122490
  • Quantity in car: 16
  • Valve (hydraulic, roller, non-active fuel management lifter)
  • Usage: G2, 3 (LR4, MT1), G2, 3 (LQ4, MT1)

$32.7449.88

Available in 38 shops

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

  • OEM part number: 88894351
  • Quantity in car: 1
  • Cylinder head (includes cyl head bolts) (kit includes: gaskets for cylinder head, intake and exhaust manifold, valve covers and seal, engine coolant air bleed pipe (o-ring)
  • Usage: G2, 3 (LQ4)

$?

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

  • OEM part number: 89017252
  • Quantity in car: 1
  • Cylinder head (except:cyl head bolts) (kit includes: gaskets for cylinder head, intake and exhaust manifold, valve covers and seal, engine coolant air bleed pipe (o-ring) (includes gasket, cylinder head, intake manifold, exhaust manifold, valve rocker co
  • Usage: G2, 3 (LR4)

$155.16172.38

Available in 38 shops

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

  • OEM part number: 89017253
  • Quantity in car: 1
  • Cylinder head (except:cyl head bolts) (kit includes: gaskets for cylinder head, intake and exhaust manifold, valve covers and seal, engine coolant air bleed pipe (o-ring) (includes gaskets, seal)
  • Usage: G2, 3 (LQ4)

$199.38254.19

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: 89018055
  • Quantity in car: 8
  • Spark plug (individual lead, black cable. used to service blue product wires)
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$18.7621.10

Available in 2 shops

Add to cart

11515758 genuine OEM part.

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

  • OEM part number: 11515758
  • Quantity in car: 12

$0.593.03

Available in 3 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
  • Water pump cover (m6x1x25-10mm socket)
  • Usage: G2, 3 (LR4), G2, 3 (LQ4, MT1)

$3.234.17

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: G2, 3 (LQ4), G2, 3 (LR4)

$3.234.17

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

$2.865.88

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)

$5.1612.11

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: G2, 3 (LQ4), G2, 3 (LR4)

$1.711.88

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: G2, 3 (LQ4), G2, 3 (LR4)

$2.898.75

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: G2, 3 (LR4), G2, 3 (LQ4)

$5.185.87

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: G2, 3 (LQ4), G2, 3 (LR4)

$7.2414.42

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: G2, 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.

$61.4173.37

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: G2, 3 (LR4)

$61.4173.37

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: 2
  • Engine block coolant drain hole (m28x1.25x12.4, brass)
  • Usage: G2, 3 (LQ4, MT1), G2, 3 (LR4, MT1)

$5.968.11

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: G2, 3 (LQ4), G2, 3 (LR4)

$4.2918.65

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: G2, 3 (LR4), G2, 3 (LQ4)

$33.2636.33

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: G2, 3 (LQ4), G2, 3 (LR4)

$15.6132.78

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: G2, 3 (LR4)

$33.7736.89

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: G2, 3 (LQ4), G2, 3 (LR4)

$7.1914.72

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: G2, 3 (LQ4), G2, 3 (LR4)

$35.0438.29

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
  • Usage: G2, 3 (LR4), G2, 3 (LQ4), G2, 3 (LR4), G2, 3 (LQ4)

$17.8919.26

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: G2, 3 (LQ4), G2, 3 (LR4)

$3.567.52

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: G2, 3 (LQ4), G2, 3 (LR4), G2, 3 (LR4)

$16.7020.68

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: G2, 3 (LR4), G2, 3 (LQ4)

$146.33152.87

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

$2.294.88

Available in 38 shops

Add to cart


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

  • OEM part number: 01997279
  • Quantity in car: 1
  • Usage: G2, 3 (LR4, LQ4)

$?

Add to cart


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

  • OEM part number: 10490666
  • Quantity in car: 1
  • Usage: G1, 2, 3

$1.1912.94

Available in 38 shops

Add to cart


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

  • OEM part number: 11515756
  • Quantity in car: 1
  • Hexagon flanged head, m8x1.25x20, 17thd, 18 outside diameter, 10.9, 7114m (crankshaft position sensor)

$0.482.09

Available in 39 shops

Add to cart

11515758 genuine OEM part.

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

  • OEM part number: 11515758
  • Quantity in car: 10

$0.593.03

Available in 3 shops

Add to cart


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

  • OEM part number: 11515767
  • Quantity in car: 2
  • Hex flanged head, m10x1.5x35, 32thd, 22.3 outside diameter, machine, 10.9, 7114m (exhaust gas recirculation valve) (together with 12345493)
  • Usage: G2, 3

$0.550.75

Available in 38 shops

Add to cart


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

  • OEM part number: 11518860
  • Quantity in car: 12
  • Hex flanged head, m8x1.25x30, 20.9 thread, 18 outside diameter, 10.9, gmw3179 code g, gm6194m (exhaust manifold)

$1.1211.17

Available in 3 shops

Add to cart


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

  • OEM part number: 11561025
  • Quantity in car: 1
  • Hex flanged head, m6x1x16, 13.5 thread, 14.2 outside diameter, gmw25 steel, gmw3200, machine, header-point (exhaust gas recirculation valve pipe)
  • Usage: G2, 3

$0.450.50

Available in 38 shops

Add to cart


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

  • OEM part number: 11588714
  • Quantity in car: 4
  • Hex flanged head, m6x1x30, 22.7 thread, 14.2 outside diameter, 8.8, gmw3359, m-pt. (engine coolant air bleed pipe)

$2.865.88

Available in 39 shops

Add to cart


Connector, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12102490
  • Quantity in car: 2
  • Usage: G1, 2, 3

$36.2040.24

Available in 38 shops

Add to cart


Connector, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12102621
  • Quantity in car: 2
  • Usage: G1, 2, 3 (LM7, LR4, LQ4, MT1)

$11.5612.97

Available in 38 shops

Add to cart


Connector, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12102747
  • Quantity in car: 1
  • Sensor-knock (black) (accepts 1.5mm terms) (2-way female) (m/p150) (with leads)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4)

$0.3619.03

Available in 2 shops

Add to cart


Connector, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12160782
  • Quantity in car: 1
  • Inline-to engine harness (20-way m) (without leads)
  • Usage: G2, 3

$6.0410.58

Available in 38 shops

Add to cart


Connector, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12167120
  • Quantity in car: 1
  • Usage: G1, 2, 3

$22.5446.11

Available in 38 shops

Add to cart


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

  • OEM part number: 12551933
  • Quantity in car: 1
  • Engine coolant air bleed pipe (O-ring) (flat type-two-hole seal)
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$5.185.87

Available in 38 shops

Add to cart


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

  • OEM part number: 12551933
  • Quantity in car: 4
  • Usage: G2, 3 (LR4), G2, 3 (LQ4)

$5.185.87

Available in 38 shops

Add to cart


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

  • OEM part number: 12553047
  • Quantity in car: 1
  • Exhaust gas recirculation valve pipe
  • Usage: G2, 3 (LQ4)

$5.325.56

Available in 2 shops

Add to cart


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

  • OEM part number: 12556127
  • Quantity in car: 2
  • Exhaust gas recirculation valve (m8x1.25x24)
  • Usage: G2, 3

$1.915.32

Available in 38 shops

Add to cart


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

  • OEM part number: 12556932
  • Quantity in car: 1
  • Positive crankcase ventilation
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$5.626.73

Available in 38 shops

Add to cart


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

  • OEM part number: 12558177
  • Quantity in car: 2
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$2.549.13

Available in 38 shops

Add to cart


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

  • OEM part number: 12558178
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$16.3943.65

Available in 38 shops

Add to cart


Sensor, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12561211
  • Quantity in car: 1
  • Usage: G2, 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.

$53.8864.45

Available in 38 shops

Add to cart


Sensor, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12561211
  • Quantity in car: 1
  • Usage: G2, 3 (LR4)

$53.8864.45

Available in 38 shops

Add to cart


Pipe, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12569076
  • Quantity in car: 1
  • Exhaust gas recirculation valve
  • Usage: G2, 3 (LQ4)

$119.60290.08

Available in 38 shops

Add to cart


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

  • OEM part number: 12570528
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$4.2918.65

Available in 38 shops

Add to cart


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

  • OEM part number: 12572717
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4, LR4)

$4.134.32

Available in 2 shops

Add to cart


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

  • OEM part number: 12574660
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$10.9813.72

Available in 38 shops

Add to cart


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

  • OEM part number: 12575742
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4), G2, 3 (LR4), G2, 3 (LR4)

$143.69254.39

Available in 38 shops

Add to cart


Stop, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12578463
  • Quantity in car: 1
  • Fuel injection fuel rail
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$13.0523.57

Available in 38 shops

Add to cart


Sensor, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12589867
  • Quantity in car: 2
  • Knock
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$46.8157.30

Available in 38 shops

Add to cart


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

  • OEM part number: 12601822
  • Quantity in car: 1
  • Usage: G1, 2, 3 (LM7, LR4, LQ4)

$35.2843.23

Available in 38 shops

Add to cart


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

  • OEM part number: 12602540
  • Quantity in car: 2
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$7.1914.72

Available in 38 shops

Add to cart


Pipe, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12604711
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$35.0438.29

Available in 2 shops

Add to cart


Manifold RH, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12605246
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4, NC1)

$154.99173.57

Available in 38 shops

Add to cart


Sensor, engine assembly v8 manifold and fuel related parts (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12614973
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4)

$53.41116.79

Available in 38 shops

Add to cart

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