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  2. Chevrolet Trucks
  3. 2003
  4. Express 3500
  5. Electrical

2003 Chevrolet Trucks Express 3500 electrical parts catalog

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Harness, wiring harness engine (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 25752021
  • Quantity in car: 1
  • Engine wiring (has a 24-way female inline to instrument panel conn; second design see part #15134522)
  • Usage: G2, 3 (LQ4, C42, C60, NC8, NF4, NF9, NT9) (EXC KL6, KL8) (1ST DES), G2, 3 (LR4, C42, C60) (1ST DES)

$1.00—3.02

Available in 2 shops

Add to cart

Harness, wiring harness engine (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 25752023
  • Quantity in car: 1
  • Engine wiring (has a 24-way female inline to instrument panel conn; second design see point # 25760973)
  • Usage: G2, 3 (LQ4, C42, C60, KL6, KL8) (1ST DES)

$?

Add to cart

Harness, wiring harness engine (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 25755970
  • Quantity in car: 1
  • Engine wiring (gray right-hand oxygen sensor connect) (torq: powertrain control module connector) (has a 14-way male inline to instrument panel conn; first design see point # 25752019)
  • Usage: G2, 3 (LQ4, C42, C60, NC1) (EXC KL6, KL8) (2ND DES)

$1.00

Available in 1 shop

Add to cart

Harness, wiring harness engine (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 25760973
  • Quantity in car: 1
  • Engine wiring (black right-hand oxygen sensor connect) (may require 15306319 connect at right-hand oxygen sensor connect) (has a 14-way male inline to instrument panel conn; first design see point # 25752023)
  • Usage: G2, 3 (LQ4, C42, C60, KL6, KL8) (2ND DES)

$739.82

Available in 1 shop

Add to cart

Harness, wiring harness engine (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 52372881
  • Quantity in car: 1
  • Engine wiring (with fuel injector harness)
  • Usage: G2, 3 (LQ4, C42, C60, KL6, KL8)

$655.14

Available in 1 shop

Add to cart

Nut, wiring harness engine (lu3/4.3x)

  • OEM part number: 11514602
  • Quantity in car: 1
  • Hexagon, m8x1.25, 6.8thk, 13 outside diameter, 10, zf (engine wiring harness)

$0.48—0.76

Available in 38 shops

Add to cart

Bolt, wiring harness engine (lu3/4.3x)

  • OEM part number: 11516703
  • Quantity in car: 1
  • Hexagon, m4.8x1.6x13, 20 outside diameter, 6010m mat, 6047m finish (engine wiring harness clip)

$2.71—3.05

Available in 38 shops

Add to cart

Stud, wiring harness engine (lu3/4.3x)

  • OEM part number: 11561401
  • Quantity in car: 1
  • Engine wiring harness ground
  • Usage: G1, 2, 3 (LU3)

$2.40—2.75

Available in 38 shops

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Bolt, wiring harness engine (lu3/4.3x)

  • OEM part number: 11609829
  • Quantity in car: 2
  • Engine wiring harness (m4.2x2.25x16)
  • Usage: G1, 2, 3, G1, 2, 3, G1, 2, 3 (LM7, LQ4, LR4, LU3, L59), G1, 2, 3, G1, 2, 3 (LMF, LU3, L20, L96)

$3.15—3.78

Available in 38 shops

Add to cart

Bolt, wiring harness engine (lu3/4.3x)

  • OEM part number: 11610073
  • Quantity in car: 3
  • Hexagon with flat washer, m8x1.25x16, 12.45 thread, 18 outside diameter, gm6202m, gmw3200 (engine wiring harness clip)

$4.70—5.11

Available in 38 shops

Add to cart

Bolt, wiring harness engine (lu3/4.3x)

  • OEM part number: 11610073
  • Quantity in car: 3
  • Engine wiring harness clip (m8x1.25x16, 12.45thd) (13mm socket)
  • Usage: G1, 2, 3

$4.70—5.11

Available in 38 shops

Add to cart

Retainer, wiring harness engine (lu3/4.3x)

  • OEM part number: 12176408
  • Quantity in car: 1
  • Usage: G1, 2, 3 (LM7, LU3, LQ4, LR4, C42, C60)

$3.47—3.79

Available in 2 shops

Add to cart

Sensor RH, wiring harness engine (lu3/4.3x)

  • OEM part number: 12581346
  • Quantity in car: 1
  • Heated oxygen (position 2) (pre converter)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3)

$74.33—79.01

Available in 2 shops

Add to cart

Sensor RH, wiring harness engine (lu3/4.3x)

  • OEM part number: 12581346
  • Quantity in car: 1
  • Heated oxygen (position 2) (pre converter) (used on vehicles with right-hand o2 sensor marked 12581346)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3) (2ND DES)

$74.33—79.01

Available in 2 shops

Add to cart

Cap, wiring harness engine (lu3/4.3x)

  • OEM part number: 15909867
  • Quantity in car: 1
  • Usage: G1, 2, 3 (05-06) (EXC TR9, YF7)

$2.98—5.07

Available in 38 shops

Add to cart

Sensor RH, wiring harness engine (lu3/4.3x)

  • OEM part number: 19209805
  • Quantity in car: 1
  • Heated oxygen (position 3) (post converter)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3)

$44.85—75.06

Available in 38 shops

Add to cart

Sensor RH, wiring harness engine (lu3/4.3x)

  • OEM part number: 19209805
  • Quantity in car: 1
  • Heated oxygen (position 3) (post converter) (used on vehicles with right-hand o2 sensor marked 19209805)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3) (2ND DES)

$44.85—75.06

Available in 38 shops

Add to cart

Sensor RH, wiring harness engine (lu3/4.3x)

  • OEM part number: 19209805
  • Quantity in car: 1
  • Heated oxygen (position 2) (pre converter) (used on vehicles with right-hand o2 sensor marked 19209805)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3) (2ND DES)

$44.85—75.06

Available in 38 shops

Add to cart

Sensor LH, wiring harness engine (lu3/4.3x)

  • OEM part number: 19209808
  • Quantity in car: 1
  • Heated oxygen (position 3) (post converter)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3)

$49.71—55.71

Available in 38 shops

Add to cart

Sensor LH, wiring harness engine (lu3/4.3x)

  • OEM part number: 19209808
  • Quantity in car: 1
  • Heated oxygen (position 3) (post converter) (used on vehicles with right-hand o2 sensor marked 25333812)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3) (1ST DES)

$49.71—55.71

Available in 38 shops

Add to cart

Sensor LH, wiring harness engine (lu3/4.3x)

  • OEM part number: 25333812
  • Quantity in car: 1
  • Heated oxygen (position 2) (pre converter) (original equipment manufacturer sensor)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3)

$75.73—79.01

Available in 2 shops

Add to cart

Sensor RH, wiring harness engine (lu3/4.3x)

  • OEM part number: 25333812
  • Quantity in car: 1
  • Heated oxygen (position 2) (pre converter) (original equipment manufacturer sensor) (used on vehicles with right-hand o2 sensor marked 25333812)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3) (1ST DES)

$75.73—79.01

Available in 2 shops

Add to cart

Spark plug, spark plug wiring (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 (LY2), G2, 3 (LY6), G2, 3 (LQ4), G2, 3 (LR4)

$5.60—5.90

Available in 2 shops

Add to cart

Shield, spark plug wiring (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15336959
  • Quantity in car: 8
  • Spark plug wire
  • Usage: G2, 3 (LQ4), G2, 3 (LR4), G2, 3 (LY2), G2, 3 (LY6)

$4.48—5.04

Available in 2 shops

Add to cart

Wire, spark plug wiring (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

Wire kit, spark plug wiring (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 89018056
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4), G2, 3 (LR4)

$146.65—152.97

Available in 2 shops

Add to cart

Wire, spark plug wiring (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 89018057
  • Quantity in car: 8
  • Spark plug
  • Usage: G2, 3 (LY2), G2, 3 (LY6)

$13.87—15.61

Available in 2 shops

Add to cart

Wire kit, spark plug wiring (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 89018058
  • Quantity in car: 1
  • Usage: G2, 3 (LY2), G2, 3 (LY6)

$81.42—84.94

Available in 2 shops

Add to cart

Bolt, spark plug wiring (lu3/4.3x)

  • OEM part number: 09439930
  • Quantity in car: 3
  • Hex flanged head 1/4-20x.56 280m pzor (spark plug wire retain bracket)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 10361821
  • Quantity in car: 1
  • Usage: G334, 337 (06) (C6Y, JL4, UE1) (EXC YF7)

$609.64

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 10361822
  • Quantity in car: 1
  • Usage: G337 (06) (C6Y, JL4, 8S8), G334, 337 (06) (C6Y, JL4, 8S8)

$498.60

Available in 1 shop

Add to cart

Nut, wiring harness instrument panel

  • OEM part number: 11504978
  • Quantity in car: 1
  • Instrument panel wiring harness bracket (m6x1)
  • Usage: G1, 2, 3

$1.43—3.29

Available in 38 shops

Add to cart

Bolt, wiring harness instrument panel

  • OEM part number: 11517342
  • Quantity in car: 3
  • Hexagon head, with flat washer, m6x1x20, 9.53 thread, 17 outside diameter, p-point, 9.8, 6280m (instrument panel wiring harness ground)

$2.86—3.02

Available in 2 shops

Add to cart

Bolt, wiring harness instrument panel

  • OEM part number: 11589015
  • Quantity in car: 2
  • Hwh with flat washer m4.2x1.41x20, 12.5 outside diameter, dog point, 6010m, 7253m (instrument panel wiring harness data link connect bracket)

$0.43—2.83

Available in 3 shops

Add to cart

Bolt, wiring harness instrument panel

  • OEM part number: 11589015
  • Quantity in car: 1
  • Hwh with flat washer m4.2x1.41x20, 12.5 outside diameter, dog point, 6010m, 7253m (steering column wiring harness connect retain)

$0.43—2.83

Available in 3 shops

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15125136
  • Quantity in car: 1
  • Instrument panel wiring (has gray connect to brake fluid switch harn; first design see point #25752811)
  • Usage: G2, 3 (05-06) (C5F, C6P, C6Y, UE1) (EXC DF5, YF7) (3RD DES)

$556.99—599.32

Available in 2 shops

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15125136
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (C5F, C6P, C6Y, UE1) (EXC DF5, YF7, JL4)

$556.99—599.32

Available in 2 shops

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15134578
  • Quantity in car: 1
  • Usage: G337 (06) (C6Y, JL4, UY7) (EXC DF5, UE1, UJ1, YF7, 8S8, 9L0, 9L4), G337 (06) (C6Y, DE2, 9F2, JL4) (EXC AU0, C49, DF5, UE1, UJ1, UY7, YF7, 8S8, 9D4, 9L0, 9L4), G337 (06) (C6Y, JL4, UE1) (EXC DF5, YF7), G337 (06) (C6Y, DE2, 9F2, JL4, K34) (EXC AU0, C49, DF5, UE1, UJ1, UY7, YF7, 8S8, 9L0, 9L4), G337 (06) (C49, C6Y, DE2, 9F2, JL4) (EXC DF5, UE1, UJ1, UY7, YF7, 8S8, 9L0, 9L4), G337 (06) (C6Y, DE5, DE7, JL4) (EXC DF5, UE1, UJ1, UY7, YF7, 8S8, 9L0, 9L4)

$659.97

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15229928
  • Quantity in car: 1
  • Usage: G334, 337 (06) (LQ4, C6Y, JL4, 8S8)

$512.63

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15229938
  • Quantity in car: 1
  • Usage: G334, 337 (06) (LQ4, C6Y, DE2, 9F2, JL4) (EXC AU0, C49, DF5, K34, UJ1, UY7, YF7, 8S8)

$446.12—516.33

Available in 37 shops

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15229949
  • Quantity in car: 1
  • Usage: G334, 337 (06) (LQ4, C6Y, DF5, JL4) (EXC YF7)

$508.10

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15229950
  • Quantity in car: 1
  • Usage: G334, 337 (06) (LQ4, AU0, C6Y, DE2, 9F2, JL4) (EXC C49, DF5, UJ1, UY7, YF7, 8S8), G334, 337 (06) (LQ4, C6Y, DE2, 9F2, JL4, K34) (EXC AU0, C49, DF5, UJ1, UY7, YF7, 8S8)

$459.11

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15229953
  • Quantity in car: 1
  • Usage: G334, 337 (06) (LQ4, C49, C6Y, DE2, 9F2, JL4) (EXC DF5, UJ1, UY7, YF7, 8S8), G334, 337 (06) (LQ4, C6Y, DE2, DE7, JL4) (EXC DF5, UJ1, UY7, YF7, 8S8)

$466.07

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15229957
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (C6P, C6Y, 8S8) (EXC JL4)

$470.86—506.64

Available in 2 shops

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15229964
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (LQ4, LR4, C6P, C6Y, DF5) (EXC JL4, YF7)

$466.74

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15229965
  • Quantity in car: 1
  • Usage: G2, 3 (05) (LQ4, LR4, C6P, C6Y, YF7) (EXC DF5)

$460.15

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279757
  • Quantity in car: 1
  • Usage: G3 (03) (DE2, DF2, D28, 6M3, 6R2, 9F3) (EXC DF5, K34, UJ1, YF1, 8S8)

$374.86

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279757
  • Quantity in car: 1
  • Instrument panel wiring (has a 14-way female inline connect to engine harness) (first design see 25752786)
  • Usage: G3 (03) (DE2, DF2, D28, 6M3, 9F3) (EXC DF5, K34, UJ1, YF1, 8S8, 9B9, 9D4) (2ND DES)

$374.86

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279758
  • Quantity in car: 1
  • Usage: G3 (03) (DF5)

$348.38

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279758
  • Quantity in car: 1
  • Instrument panel wiring (has gray connect to brake fluid switch harness; first design see point # 25752789)
  • Usage: G3 (03) (DF5) (2ND DES)

$348.38

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279759
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (C5F, C6P, C6Y, DE2, 9F2) (EXC AU0, C49, DF5, JL4, K34, UE1, UJ1, UY7, YF7, 8A2, 8S8, 9D4, 9L0, 9L4)

$475.03

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279761
  • Quantity in car: 1
  • Usage: G3 (03) (8S8)

$421.50

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279764
  • Quantity in car: 1
  • Usage: G3 (03) (LM7, LQ4, LR4, LU3, DF5)

$3.02—417.47

Available in 2 shops

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279766
  • Quantity in car: 1
  • Usage: G3 (03) (8S8)

$416.82

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279771
  • Quantity in car: 1
  • Usage: G334, 337 (06) (C6Y, JL4, UY7) (EXC DF5, UE1, UJ1, YF7, 8S8, 9L4), G334, 337 (06) (C6Y, DE2, 9F2, JL4) (EXC AU0, C49, DF5, K34, UE1, UJ1, UY7, YF7, 8S8, 9L4), G334, 337 (06) (C6Y, DE2, 9F2, JL4) (EXC C49, DF5, UE1, UJ1, UY7, YF7, 8S8, 9L4), G334, 337 (06) (C6Y, DE2, 9F2, JL4, K34) (EXC AU0, C49, DF5, UE1, UJ1, UY7, YF7, 8S8, 9L4), G334, 337 (06) (C49, C6Y, DE2, 9F2, JL4) (EXC DF5, UE1, UJ1, UY7, YF7, 8S8, 9L4), G334, 337 (06) (C6Y, DE5, DE7, JL4) (EXC DF5, UE1, UJ1, UY7, YF7, 8S8, 9L4)

$388.43

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279772
  • Quantity in car: 1
  • Usage: G334, 337 (06) (C6Y, DF5, JL4) (EXC UE1, YF7), G337 (06) (C6Y, DF5, JL4) (EXC UE1, YF7)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279775
  • Quantity in car: 1
  • Usage: G2, 3 (05) (C5F, C6P, C6Y, UE1, YF7)

$441.47

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279776
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (C5F, C6P, C6Y, UE1)

$436.47—469.64

Available in 2 shops

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279782
  • Quantity in car: 1
  • Usage: G2, 3 (05) (C69, C6Y, DF5, YF7) (EXC UE1), G2, 3 (05) (C69, C6Y, DF5, 5N6) (EXC UE1), G2, 3 (05) (C5F, C6P, C6Y, DF5, YF7) (EXC UE1)

$389.66

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279782
  • Quantity in car: 1
  • Instrument panel wiring (has a 14-way female inline connect to engine harn; first design see point #25752799)
  • Usage: G2, 3 (05) (C5F, C6P, C6Y, DF5, YF7) (EXC UE1) (2ND DES)

$389.66

Available in 1 shop

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279783
  • Quantity in car: 1
  • Usage: G2, 3 (05) (C6P, C6Y, YF7) (EXC DF5, UE1), G2, 3 (05) (C6P, C6Y, 5N6) (EXC DF5, UE1), G2, 3 (05) (C5F, C6P, C6Y, YF7) (EXC DF5, UE1)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279783
  • Quantity in car: 1
  • Instrument panel wiring (has a 14-way female inline connect to engine harn; first design see point #25752800)
  • Usage: G2, 3 (05) (C5F, C6P, C6Y, YF7) (EXC DF5, UE1) (2ND DES)

$?

Add to cart

Harness, wiring harness instrument panel

  • OEM part number: 15279784
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (C6P, C6Y, UJ1) (EXC DF5, JL4, UE1, YF7, 5N6, 8A2, 8S8, 9L4), G2, 3 (05-06) (C6P, C6Y, UY7) (EXC DF5, JL4, UE1, UJ1, YF7, 5N6, 8A2, 8S8, 9L4), G2, 3 (05-06) (C5F, C6P, C6Y, UJ1) (EXC DF5, UE1, YF7, 8S8, 9D4, 9L0, 9L4), G2, 3 (05-06) (C5F, C6P, C6Y, UY7) (EXC DF5, UE1, UJ1, YF7, 8S8, 9L0, 9L4), G2, 3 (05-06) (C6Y, 9D4) (EXC DF5, UE1, YF7, 8S8, 9L0, 9L4)

$515.72—625.86

Available in 38 shops

Add to cart

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