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

2003 Chevrolet Trucks Express 3500 electrical parts catalog

Add this car in your garage and make future searches easy.

Nut, relays and modules-body

  • OEM part number: 11516075
  • Quantity in car: 1
  • Hex flanged head self lock, m6x1, 7.7thk, 14.2 outside diameter, 9, pzor (instrument panel wiring harness junction block)

$0.47—1.21

Available in 39 shops

Add to cart

Breaker, relays and modules-body

  • OEM part number: 12077863
  • Quantity in car: 1

$9.35—17.01

Available in 38 shops

Add to cart

Fuse, relays and modules-body

$0.30—1.73

Available in 40 shops

Add to cart

Fuse, relays and modules-body

  • OEM part number: 12092079
  • 10a, mini, reduction (mini 10 a)

$1.44—3.39

Available in 39 shops

Add to cart

Relay, relays and modules-body

  • OEM part number: 12135197
  • Quantity in car: 1
  • Multiuse (4-terminal, gray)
  • Usage: G1, 2, 3

$10.45—11.04

Available in 2 shops

Add to cart

Relay, relays and modules-body

  • OEM part number: 12193606
  • Quantity in car: 1
  • Usage: G1, 2, 3, G1, 2, 3 (LMF, LU3, LY2, LY6) (EXC UY7, YF1, YF2, YF7, 9S4), G1, 2, 3, G1, 2, 3

$14.05

Available in 1 shop

Add to cart

Cover, relays and modules-body

  • OEM part number: 15251111
  • Quantity in car: 1
  • Body & instrument panel wiring harness junction block (bbec upper cover)
  • Usage: G1, 2, 3

$3.22—4.02

Available in 38 shops

Add to cart

Fuse, relays and modules-body

  • OEM part number: 15319476
  • Quantity in car: 2

$3.22—3.47

Available in 2 shops

Add to cart

Block, relays and modules-body

  • OEM part number: 15930141
  • Quantity in car: 1
  • Usage: G1, 2, 3 (C49, 5G4) (EXC 8J0), G1, 2, 3 (EXC C49, 5G4, 8J0), G1, 2, 3 (JL4) (EXC YF1), G1, 2, 3 (EXC YF1)

$102.91—179.30

Available in 38 shops

Add to cart

Relay, relays and modules-body

  • OEM part number: 19116057
  • Quantity in car: 1
  • Usage: G1, 2, 3, G1, 2, 3, G1, 2, 3

$9.14—16.96

Available in 38 shops

Add to cart

Relay, relays and modules-body

  • OEM part number: 19116057
  • Quantity in car: 1
  • Ignition (4 terminal) (280 micro) (high-power) (with resistor) (unshrouded) (gray) (35amp) (4-terminal) (high current micro relay)
  • Usage: GH1, 2, 3 (YF1, YF2, YF7)

$9.14—16.96

Available in 38 shops

Add to cart

19116058 genuine OEM part.

Relay, relays and modules-body

  • OEM part number: 19116058
  • Quantity in car: 1
  • Multiuse (5-way, unshrouded, black, 35 ampere) (black) (35amp) (5 terminal) (high current micro 280)
  • Usage: G1, 2, 3 (LMF, LU3, LY2, LY6) (EXC UY7, YF1, YF2, YF7, 9S4)

$9.06—18.61

Available in 38 shops

Add to cart

19116058 genuine OEM part.

Relay, relays and modules-body

  • OEM part number: 19116058
  • Quantity in car: 1
  • Parking lamp (5-way, high-power, with resistor, unshrouded, black, micro, code 7866) (black) (35amp) (5 terminal) (high current micro 280)
  • Usage: G1, 2, 3

$9.06—18.61

Available in 38 shops

Add to cart

19116058 genuine OEM part.

Relay, relays and modules-body

  • OEM part number: 19116058
  • Quantity in car: 4
  • door lock (disable, 5-way, high-power, with resistor, unshrouded, black, micro, code 7866) (black) (35amp) (5 terminal) (high current micro 280)
  • Usage: G1, 2, 3

$9.06—18.61

Available in 38 shops

Add to cart

19116058 genuine OEM part.

Relay, relays and modules-body

  • OEM part number: 19116058
  • Quantity in car: 1
  • Courtesy lamp (5-way, high-power, with resistor, unshrouded, black, micro, code 7866) (black) (35amp) (5 terminal) (high current micro 280)
  • Usage: G1, 2, 3

$9.06—18.61

Available in 38 shops

Add to cart

Relay, relays and modules-body

  • OEM part number: 19116059
  • Quantity in car: 1
  • Multiuse (gray) (4-terminal) (space saver ultra 280 micro)
  • Usage: GH1, 2, 3 (LMF, LU3, LY2, LY6) (EXC UY7, YF1, YF2, YF7, 9S4)

$9.03—9.34

Available in 2 shops

Add to cart

Relay, relays and modules-body

  • OEM part number: 21997408
  • Quantity in car: 1
  • Accessory (retained accessory power) (5-terminal) (spdt, 280 mini, hi/low, black)
  • Usage: G1, 2, 3

$3.25—3.28

Available in 2 shops

Add to cart

Bracket, relays and modules-body

  • OEM part number: 25750682
  • Quantity in car: 1
  • Body & instrument panel wiring harness junction block (bbec lower cover)
  • Usage: G1, 2, 3, GH1, 2, 3

$4.17—4.59

Available in 2 shops

Add to cart

Bracket, relays and modules-body

  • OEM part number: 25837434
  • Quantity in car: 1
  • Body & instrument panel wiring harness junction block
  • Usage: G1, 2, 3

$9.77—10.79

Available in 2 shops

Add to cart

Block, relays and modules-body

  • OEM part number: 25888305
  • Quantity in car: 1
  • Usage: G1, 2, 3

$125.82—318.89

Available in 38 shops

Add to cart

Cover, relays and modules-body

  • OEM part number: 25979386
  • Quantity in car: 1
  • Body & instrument panel wiring harness junction block
  • Usage: G1, 2, 3

$8.25—8.88

Available in 2 shops

Add to cart

Fuse, relays and modules-body

  • OEM part number: 88861352
  • Mini, 20 ampere (mini 20 a)

$1.68—6.53

Available in 39 shops

Add to cart

Fuse, relays and modules-body

$1.64—6.53

Available in 39 shops

Add to cart

Fuse, relays and modules-body

  • OEM part number: 88909756
  • 25a, mini, clear (mini 25 a)

$2.75—8.36

Available in 39 shops

Add to cart

Relay, relays and modules-body

  • OEM part number: 88986895
  • Quantity in car: 1
  • Accessory (4-terminal relay, spst iso high current)
  • Usage: G1, 2, 3

$11.68—23.14

Available in 38 shops

Add to cart

Bolt, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 11610073
  • Quantity in car: 2
  • Hexagon with flat washer, m8x1.25x16, 12.45 thread, 18 outside diameter, gm6202m, gmw3200 (oxygen sensor wiring harness clip)

$4.70—5.11

Available in 38 shops

Add to cart

Bolt, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 11610073
  • Quantity in car: 4
  • Oxygen sensor wiring harness clip (m8x1.25x16, 12.45thd) (13mm socket)
  • Usage: G2, 3 (LQ4, LR4), G2, 3 (LQ4, LR4, NA4)

$4.70—5.11

Available in 38 shops

Add to cart

Harness, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 15751943
  • Quantity in car: 1
  • Secondary oxygen sensor wiring (push-in) (has gray oxygen sensor conn; for second design see 15807297)
  • Usage: G2, 3 (05-06) (LQ4, LR4, NA4) (1ST DES)

$?

Add to cart

Harness, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 15807297
  • Quantity in car: 1
  • Secondary oxygen sensor wiring
  • Usage: G2, 3 (05-06) (LQ4, LR4, NA4, NU1, NU2), G2, 3 (05-06) (LQ4, LR4, NA4)

$155.94—164.51

Available in 2 shops

Add to cart

Harness, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 15807297
  • Quantity in car: 1
  • Secondary oxygen sensor wiring (push-in) (has black oxygen sensor conn; for first design see 15751943)
  • Usage: G2, 3 (05-06) (LQ4, LR4, NA4) (2ND DES)

$155.94—164.51

Available in 2 shops

Add to cart

Bolt, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 11610073
  • Hexagon with flat washer, m8x1.25x16, 12.45 thread, 18 outside diameter, gm6202m, gmw3200 (oxygen sensor wiring harness clip)

$4.70—5.11

Available in 38 shops

Add to cart

Harness, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 15751944
  • Quantity in car: 1
  • Secondary oxygen sensor wiring (has gray oxygen sensor conn; for second design see 15807296)
  • Usage: G3 (03) (LQ4, LR4, NA4) (1ST DES)

$71.51

Available in 1 shop

Add to cart

Harness, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 15807296
  • Quantity in car: 1
  • Secondary oxygen sensor wiring
  • Usage: G3 (03) (LQ4, LR4, NA4), G3 (03) (LQ4, LR4)

$39.64—100.05

Available in 38 shops

Add to cart

Harness, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 15807296
  • Quantity in car: 1
  • Secondary oxygen sensor wiring (has black oxygen sensor connect, for first design see 15751944)
  • Usage: G3 (03) (LQ4, LR4, NA4) (2ND DES)

$39.64—100.05

Available in 38 shops

Add to cart

Harness, wiring harness oxygen sensor (lr4/4.8v, lq4/6.0u)

  • OEM part number: 25915224
  • Quantity in car: 1
  • Secondary oxygen sensor wiring
  • Usage: G3 (03) (LY2, LY6), G3 (03) (L20, L96), G3 (03) (LC8)

$23.63—28.25

Available in 38 shops

Add to cart

Bolt, wiring harness chassis

  • OEM part number: 11516671
  • Quantity in car: 2
  • Hex flanged head, m8x1.25x20, 20thd, 17 outside diameter, 6202m, 7111 (back up alarm)

$0.46—0.49

Available in 2 shops

Add to cart

Bolt, wiring harness chassis

  • OEM part number: 11588337
  • Quantity in car: 2
  • Hexagon with flat washer, m6x1x20, 9 thread, 17 outside diameter, 6202m, gmw3200, tappet, dog pt. (chassis rear wiring harness grd.)

$0.33—0.58

Available in 38 shops

Add to cart

Relay, wiring harness chassis

  • OEM part number: 12193601
  • Quantity in car: 2
  • Multiuse (5-way male) (black) (code 7233) (used with connector 15306045 without brackets 5-way male)
  • Usage: G1, 2, 3
  • 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.

$26.39

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15228240
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G237, 337 (05-06) (LY2, LY6, C6P, C6Y, UY7) (EXC JL4)

$227.63

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15839996
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05) (LQ4, LR4, C6P, C6Y, 8A2), G234, 334 (05) (LQ4, LR4, C6P, C6Y, 8S3) (EXC 8A2), G234, 334 (05) (LQ4, LR4, C5F, C6P, C6Y, 8S3) (EXC 8A2), G234, 334 (05) (LQ4, LR4, C5F, C6P, C6Y, 8A2, 8S3), G234, 334 (05-06) (LQ4, LR4, C5F, C6P, C6Y) (EXC 8A2, 8S3, UY7)

$211.86

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15917696
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05-06) (LQ4, LR4, C6P, C6Y) (EXC JL4, UY7, 8A2, 8S3)

$163.30

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15917697
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G237, 337 (05-06) (LQ4, LR4, C6P, C6Y) (EXC UY7, JL4)

$168.49

Available in 1 shop

Add to cart

Alarm, wiring harness chassis

  • OEM part number: 20829020
  • Quantity in car: 1
  • Usage: G1, 2, 3 (8S3)

$130.63—135.13

Available in 2 shops

Add to cart

Harness, wiring harness chassis

  • OEM part number: 20963800
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G237, 337 (05) (L20, L96, C6P, C6Y, 8S3)

$113.05

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 20963811
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05) (L20, L96, C6P, C6Y, 8S3)

$134.04

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 20963814
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05-06) (L20, L96, C6P, C6Y, UY7) (EXC JL4, 8S3)

$125.61

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 20963815
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05-06) (L20, L96, C6P, C6Y) (EXC JL4, UY7, 8S3)

$94.74—127.17

Available in 37 shops

Add to cart

Harness, wiring harness chassis

  • OEM part number: 20963816
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G337 (05-06) (L20, L96, C6P, C6Y) (EXC JL4, UY7, 8S3)

$96.37—122.08

Available in 37 shops

Add to cart

Harness, wiring harness chassis

  • OEM part number: 20963817
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G337 (05-06) (L20, L96, C6P, C6Y, UY7) (EXC JL4, 8S3)

$144.91

Available in 1 shop

Add to cart

Retainer, wiring harness chassis

  • OEM part number: 22744449
  • Quantity in car: 1
  • Usage: G1, 2, 3

$4.55

Available in 1 shop

Add to cart

Retainer, wiring harness chassis

  • OEM part number: 25760043
  • Quantity in car: 1
  • Accessory wiring junction block (ubec lower cover)
  • Usage: G1, 2, 3

$5.39—6.48

Available in 38 shops

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25761475
  • Quantity in car: 1
  • Usage: G237, 337 (05-06) (LQ4, LR4, C5F, C6P, C6Y, UY7), G237, 337 (05-06) (LQ4, LR4, C5F, C6P, C6Y) (EXC UY7)

$?

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25783522
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G237, 337 (05) (LQ4, LR4, C6P, C6Y, UY7), G237, 337 (05) (LQ4, LR4, C5F, C6P, C6Y, UY7), G337 (06) (LQ4, LR4, C5F, C6P, C6Y, UY7) (EXC JL4)

$214.34

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25783529
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G2, 3 (05) (LQ4, LR4, C6P, C6Y, 8S3)

$195.05

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25783530
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G2, 3 (05) (LQ4, LR4, C6P, C6Y, UY7) (EXC JL4, 8S3), G234, 334 (05-06) (LQ4, LR4, C5F, C6P, C6Y, UY7) (EXC 8A2, 8S3), G234, 334 (05) (LQ4, LR4, C6P, C6Y, UY7) (EXC JL4, 8A2, 8S3)

$205.43

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25840640
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05-06) (LY2, LY6, C6P, C6Y) (EXC JL4, UY7, 8S3)

$95.29

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25840647
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G237, 337 (05-06) (LY2, LY6, C6P, C6Y) (EXC JL4, UY7, 8S3)

$97.37

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25855677
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05) (LY2, LY6, C6P, C6Y, 8S3)

$202.25

Available in 1 shop

Add to cart

Retainer, wiring harness chassis

  • OEM part number: 25878704
  • Quantity in car: 1
  • Usage: GH1, 2, 3

$11.02—12.18

Available in 38 shops

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25948925
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G237, 337 (05-06) (LY2, LY6, C6P, C6Y) (EXC JL4, UY7)

$96.51

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25948926
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05-06) (LY2, LY6, C6P, C6Y, UY7) (EXC JL4, 8S3)

$297.89

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25948930
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05-06) (LY2, LY6, C6P, C6Y) (EXC JL4, UY7, 8S3)

$86.38—162.03

Available in 37 shops

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25983526
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05) (LY2, LY6, C6P, C6Y, 8S3)

$140.79

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25983529
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G234, 334 (05-06) (LY2, LY6, C6P, C6Y, UY7) (EXC JL4, 8S3)

$138.29

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 25983530
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G237, 337 (05-06) (LY2, LY6, C6P, C6Y, UY7) (EXC JL4, 8S3)

$151.81

Available in 1 shop

Add to cart

Bolt, wiring harness chassis

  • OEM part number: 11588337
  • Quantity in car: 2
  • Hexagon with flat washer, m6x1x20, 9 thread, 17 outside diameter, 6202m, gmw3200, tappet, dog pt. (chassis rear wiring harness grd.)

$0.33—0.58

Available in 38 shops

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15228203
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G339 (03) (LY2, LY6, C7N, 9E8, NE7) (EXC UY7)

$131.00

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15228205
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G335 (03) (LY2, LY6, C6P, C6Y, C7A, C7N, 9E9) (EXC NE7, UY7, 9S4)

$147.32

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15228206
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G338 (03) (LY2, LY6, C6Y, C7A, C7F, C7N, NE7) (EXC UY7)

$152.41

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15228207
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G338 (03) (LY2, LY6, C6Y, C7A, C7F, C7N) (EXC NE7, UY7)

$153.21

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15229384
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G339 (03) (LQ4, C7L, C7N, NE7) (EXC UY7), G339 (03) (LQ4, LR4, C7L, C7N, NE7) (EXC UY7)

$191.44

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15229386
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G335 (03) (LQ4, LR4, C6P, C6Y, C7A, C7L, C7N, 9E9) (EXC NE7, UY7), G335 (03) (LQ4, C6P, C6Y, C7A, C7E, C7G, C7L, C7N, 9E9) (EXC NE7, UY7)

$184.98

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15229388
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G339 (03) (LQ4, LR4, C7L, C7N) (EXC NE7, UY7)

$197.24

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15255496
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G338 (03) (LQ4, LR4, C6Y, C7A, C7F, C7L, C7N, NE7) (EXC UY7)

$152.38

Available in 1 shop

Add to cart

Harness, wiring harness chassis

  • OEM part number: 15255501
  • Quantity in car: 1
  • Chassis wiring
  • Usage: G338 (03) (LQ4, LR4, C6Y, C7A, C7F, C7L, C7N, NE7) (EXC UY7)

$147.24

Available in 1 shop

Add to cart

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