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  1. Home
  2. Chevrolet Trucks
  3. 2003
  4. Express 3500
  5. Engine V8

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)

$5.60—5.90

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)

$16.70—20.68

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)

$16.70—20.68

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)

$32.74—49.88

Available in 38 shops

Add to cart

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)

$?

Add to cart

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)

$155.16—172.38

Available in 38 shops

Add to cart

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)

$199.38—254.19

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)

$18.76—21.10

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

$0.59—3.03

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)

$3.23—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: G2, 3 (LQ4), G2, 3 (LR4)

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

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

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

$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: 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.

$61.41—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: G2, 3 (LR4)

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

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

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

$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: G2, 3 (LR4)

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

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

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

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

$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: G2, 3 (LR4), G2, 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

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

$1.19—12.94

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)

$0.48—2.09

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

$0.59—3.03

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

$0.55—0.75

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)

$1.12—11.17

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

$0.45—0.50

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)

$2.86—5.88

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

$36.20—40.24

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)

$11.56—12.97

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)

$0.36—19.03

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

$6.04—10.58

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

$22.54—46.11

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)

$5.18—5.87

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)

$5.18—5.87

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)

$5.32—5.56

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

$1.91—5.32

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)

$5.62—6.73

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)

$2.54—9.13

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)

$16.39—43.65

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.

$53.88—64.45

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)

$53.88—64.45

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)

$119.60—290.08

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)

$4.29—18.65

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)

$4.13—4.32

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)

$10.98—13.72

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)

$143.69—254.39

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)

$13.05—23.57

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)

$46.81—57.30

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)

$35.28—43.23

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)

$7.19—14.72

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)

$35.04—38.29

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)

$154.99—173.57

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)

$53.41—116.79

Available in 38 shops

Add to cart

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