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  2. Chevrolet Trucks
  3. 2003
  4. Express 2500
  5. Fuel and exhaust

2003 Chevrolet Trucks Express 2500 fuel and exhaust parts catalog

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Harness kit, control module and related parts (natural gas kl6, kl8)

  • OEM part number: 52372260
  • Quantity in car: 1
  • Usage: G234, 334, 337 (05-06) (KL6, KL8), G2, 3 (KL6, KL8)

$97.79—110.04

Available in 2 shops

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Strap, control module and related parts (natural gas kl6, kl8)

  • OEM part number: 52372272
  • Quantity in car: 13
  • Tie down
  • Usage: G2, 3

$0.50—2.41

Available in 2 shops

Add to cart

Bracket, control module and related parts (natural gas kl6, kl8)

  • OEM part number: 52372418
  • Quantity in car: 1
  • Fuel injector control module
  • Usage: G2, 3 (KL6, KL8)

$1.28

Available in 1 shop

Add to cart

Module, control module and related parts (natural gas kl6, kl8)

  • OEM part number: 52372561
  • Quantity in car: 1
  • Usage: G234, 334 (05-06) (KL6)

$338.15—380.51

Available in 2 shops

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Module, control module and related parts (natural gas kl6, kl8)

  • OEM part number: 52372562
  • Quantity in car: 1
  • Usage: G234, 334 (05-06) (KL8)

$319.76—349.33

Available in 2 shops

Add to cart

Nut, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11514519
  • Quantity in car: 3
  • Hexagon with 23.75 outside diameter conical washer, m8x1.25, 7.32thk, 9, pzor (powertrain control module bracket)

$1.10—3.05

Available in 39 shops

Add to cart

Terminal, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12084912
  • Quantity in car: 1
  • Micro pac, female 18 gage (brake control module (female))

$1.29—1.47

Available in 38 shops

Add to cart

Connector, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12167308
  • Quantity in car: 1
  • Usage: H1, 2 (LM7, C42, C60)

$37.27—67.95

Available in 38 shops

Add to cart

Connector, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12167308
  • Quantity in car: 2
  • Usage: G1, 2, 3 (LQ4, LR4, LM7, LU3, C42, C60), G1, 2, 3

$37.27—67.95

Available in 38 shops

Add to cart

Retainer, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12176408
  • Quantity in car: 1
  • Usage: G1, 2, 3 (LM7, LU3, LQ4, LR4, C42, C60), H1, 2 (LM7, C42, C60), G1, 2, 3 (C42, C60)

$3.47—3.79

Available in 2 shops

Add to cart

Module, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12581565
  • Quantity in car: 1
  • Powertrain control (without calibration)
  • Usage: G1, 2, 3 (LU3), H1, 2 (LU3)

$425.22—857.25

Available in 38 shops

Add to cart

Module, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12586243
  • Quantity in car: 1
  • Powertrain control (without calibration)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3), H1, 2 (LM7, LQ4, LR4, LU3), G2, 3 (KL6, KL8)

$437.55

Available in 1 shop

Add to cart

Module, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12602801
  • Quantity in car: 1
  • Powertrain control (without calibration) (code yctl, yctj, ydbt, ydbs, ydbr, ydhz) (yfyb, yfxz, dzat, yjhz, ypup) (new) (ydpb, yhku, yhky, ymkf, ykyw, ykyx, yjhh, yhzp, ynbm, yhzr, dzah)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4), H1, 2 (LM7, LQ4, LR4)

$358.46—463.24

Available in 2 shops

Add to cart

Module, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12602801
  • Quantity in car: 1
  • Powertrain control (without calibration) (yfyb, yfxz, dzat, yjhz, ypup) (new) (ydpb, yhku, yhky, ymkf, ykyw, ykyx, yjhh, yhzp, ynbm, yhzr, dzah)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3), H1, 2 (LM7)

$358.46—463.24

Available in 2 shops

Add to cart

Module, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 12602801
  • Quantity in car: 1
  • Powertrain control (without calibration) (yfyb, yfxz, dzat, yjhz, ypup) (new) (ydpb, yhku, yhky, ymkf, ykyw, ykyx, yjhh, yhzp, ynbm, yhzr, dzah) (code ypuh)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3, L59)

$358.46—463.24

Available in 2 shops

Add to cart

Bracket, pcm module and wiring harness (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15124946
  • Quantity in car: 1
  • Usage: G1, 2, 3, H1, 2, G1, 2, 3 (LM7, LQ4, LR4, LU3, L59)

$14.55—17.75

Available in 38 shops

Add to cart

Strap, vapor canister and related parts

  • OEM part number: 12337820
  • Quantity in car: 1
  • 15" tie strap (evaporative emission canister)
  • 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.

$1.10—2.09

Available in 39 shops

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Canister, vapor canister and related parts

  • OEM part number: 15137022
  • Quantity in car: 1
  • Evaporative emission
  • Usage: G1, 2, 3 (05-06), H1, 2 (05-06)

$103.66—111.54

Available in 2 shops

Add to cart

Pipe, vapor canister and related parts

  • OEM part number: 15268171
  • Quantity in car: 1
  • Evaporative emission canister purge
  • Usage: G1, 2, 3 (05-06), H1, 2

$24.02—56.96

Available in 2 shops

Add to cart

Pipe, vapor canister and related parts

  • OEM part number: 15759219
  • Quantity in car: 1
  • Usage: H2 (05), G2, 3 (05-06) (7T6), G1, 2, 3 (05-06) (LU3) (EXC E26), H2 (05) (LU3) (EXC E26), G1, 2, 3 (05-06) (EXC E26, 7T6), H2 (05) (EXC E26, 7T6)

$?

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Shield, vapor canister and related parts

  • OEM part number: 25744795
  • Quantity in car: 1
  • Usage: G1, 2, 3 (05-06), H1, 2

$45.67—93.44

Available in 38 shops

Add to cart

Tank, vapor canister and related parts

  • OEM part number: 25760231
  • Quantity in car: 1
  • Usage: G1, 2, 3 (05-06) (LU3) (EXC E26), G1, 2, 3 (05-06) (EXC E26, 7T6), H2 (05) (EXC E26, 7T6), H2 (05) (LU3) (EXC E26)

$854.54—884.11

Available in 2 shops

Add to cart

Tank, vapor canister and related parts

  • OEM part number: 25760232
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (7T6)

$890.56

Available in 1 shop

Add to cart

Hose, vapor canister and related parts

  • OEM part number: 25815739
  • Quantity in car: 1
  • Usage: G1, 2, 3 (05-06) (LU3), H2 (05) (LU3), G1, 2, 3 (05-06), H2 (05)

$50.62—100.54

Available in 38 shops

Add to cart

Solenoid, vapor canister and related parts

  • OEM part number: 25932571
  • Quantity in car: 1
  • Evaporative emission canister (1 portion) (ventilation valve)
  • Usage: GH1, 2, 3 (05-06), G1, 2, 3 (05-06), H1, 2

$17.67—20.60

Available in 37 shops

Add to cart

Tank, vapor canister and related parts

  • OEM part number: 88944180
  • Quantity in car: 1
  • Usage: GH1, 2, 3 (05-06) (LU3, E26), GH1, 2, 3 (05-06) (E26)

$890.56—910.70

Available in 2 shops

Add to cart

Bolt, egr valve and related parts (lq4/6.0u)

  • OEM part number: 11516328
  • Quantity in car: 2
  • Hex flanged head, m10x1.5x30, 22 outside diameter, header point, 10.9, 7114m (exhaust gas recirculation valve)

$1.02—2.18

Available in 38 shops

Add to cart

Bolt, egr valve and related parts (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)

$0.45—0.50

Available in 38 shops

Add to cart

Gasket, egr valve and related parts (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, egr valve and related parts (lq4/6.0u)

  • OEM part number: 12556127
  • Quantity in car: 2
  • Exhaust gas recirculation valve (m8x1.25x24)
  • Usage: G2, 3 (LQ4)

$1.91—5.32

Available in 38 shops

Add to cart

Seal, egr valve and related parts (lq4/6.0u)

  • OEM part number: 12557932
  • Quantity in car: 1
  • Usage: G2, 3 (LQ4)

$8.99—18.44

Available in 38 shops

Add to cart

Gasket, egr valve and related parts (lq4/6.0u)

  • OEM part number: 12558353
  • Quantity in car: 1
  • Exhaust gas recirculation valve
  • Usage: G2, 3 (LQ4)

$4.74—5.09

Available in 2 shops

Add to cart

Pipe, egr valve and related parts (lq4/6.0u)

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

$119.60—290.08

Available in 38 shops

Add to cart

Valve, egr valve and related parts (lq4/6.0u)

  • OEM part number: 12576918
  • Quantity in car: 1
  • Exhaust gas recirculation (without gasket) (gasket 12558353 required)
  • Usage: G2, 3 (LQ4)

$152.05—308.11

Available in 38 shops

Add to cart

Bolt, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 11515767
  • Quantity in car: 2
  • Hex flanged head, m10x1.5x35, 32thd, 22.3 outside diameter, machine, 10.9, 7114m (exhaust pipe hanger bracket) (together with 12345493)

$0.55—0.75

Available in 38 shops

Add to cart

Stud, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 11589264
  • Quantity in car: 6
  • Straight, m10x1.5x30, m10x1.5x16, 57 tl, stainless steel (exhaust manifold pipe)

$6.97—11.75

Available in 38 shops

Add to cart

Sensor RH, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 12581346
  • Quantity in car: 1
  • Heated oxygen (position 2) (pre converter)
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3), H1, 2 (LM7, LQ4, LR4, LU3)

$74.33—79.01

Available in 2 shops

Add to cart

Sensor RH, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • 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), H1, 2 (LM7, LQ4, LR4, LU3) (2ND DES)

$74.33—79.01

Available in 2 shops

Add to cart

Sensor, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 12599204
  • Quantity in car: 2
  • Heated oxygen (position 2) (pre converter)
  • Usage: G1, 2, 3 (05-06) (LMF, LY2, LY6)

$91.27—157.82

Available in 38 shops

Add to cart

Stud, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15028620
  • Quantity in car: 2
  • Usage: GH1, 2 (LM7, LU3), GH1, 2 (LU3), GH1, 2 (LM7, L59, NU1), GH1, 2 (LM7, NF9), GH1, 2 (LM7, L59, NT8), GH1, 2 (LMF, LU3)

$9.41—18.55

Available in 38 shops

Add to cart

Nut, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15032594
  • Quantity in car: 6
  • Exhaust manifold pipe (hexagon m10x1.5) (attached exhaust manifold pipe)
  • Usage: GH1, 2, 3 (LM7, LQ4, LR4, LU3, L59), G1, 2, 3 (LMF, LU3, LY2, LY6)

$0.68—5.80

Available in 39 shops

Add to cart

Seal RH, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15035747
  • Quantity in car: 1
  • Usage: H1, 2 (LM7, LU3), H234 (05) (LM7, LU3), G234, 237 (05-06) (LM7, LU3), G1, 2, 3 (LM7, LU3), G1, 2, 3 (LM7, LU3), GH1, 2, 3 (LM7, LU3, L59), GH1, 2, 3 (LMF, LU3)

$11.25—18.95

Available in 38 shops

Add to cart

Seal LH, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15077362
  • Quantity in car: 1
  • Usage: GH1, 2 (LM7, LU3), GH1, 2 (LM7, LU3, L59), GH1, 2 (LMF, LU3)

$10.11—17.05

Available in 38 shops

Add to cart

Converter, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15128301
  • Quantity in car: 1
  • Usage: G1, 2 (LM7, LU3), G1, 2 (LM7, LU3), H2 (05) (LM7, LU3), H2 (05) (LM7, LU3), GH1, 2 (LU3), GH1, 2 (LU3), GH1, 2 (LM7), GH1, 2 (LM7)

$691.42—1550.00

Available in 38 shops

Add to cart

Nut, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15709703
  • Quantity in car: 2
  • Catalytic converter (hexagon 10x1.5 thread) (non-lubricated)
  • Usage: GH1, 2 (LM7, LU3), GH1, 2 (LM7, LU3, NA1)

$1.15—2.88

Available in 39 shops

Add to cart

Nut, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15709703
  • Quantity in car: 2
  • Hexagon 10x1.5thd, 21.8 outside diameter stainless steel (catalytic converter)

$1.15—2.88

Available in 39 shops

Add to cart

Insulator, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15731502
  • Quantity in car: 2
  • Usage: GH1, 2 (05-06)

$5.59—8.73

Available in 38 shops

Add to cart

Insulator, exhaust system v6 and v8 (lu3/4.3x, lm7/5.3t)

  • OEM part number: 15731502
  • Quantity in car: 1
  • Exhaust muffler hanger
  • Usage: GH1, 2 (05-06)

$5.59—8.73

Available in 38 shops

Add to cart

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