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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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Converter RH, exhaust system v8 (lr4/4.8v, lq4/6.0u with nc1, nu1, nu2)

  • OEM part number: 20858261
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (LQ4, LR4, NF4, NF9, NT9), G2, 3 (05-06) (LQ4, LR4, NF4, NF9, NT9)

$436.56—1190.24

Available in 38 shops

Add to cart

Sensor LH, exhaust system v8 (lr4/4.8v, lq4/6.0u with nc1, nu1, nu2)

  • 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, exhaust system v8 (lr4/4.8v, lq4/6.0u with nc1, nu1, nu2)

  • 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

Muffler, exhaust system v8 (lr4/4.8v, lq4/6.0u with nc1, nu1, nu2)

  • OEM part number: 25851449
  • Quantity in car: 1
  • Usage: G234, 334 (LQ4)

$492.73

Available in 1 shop

Add to cart

Muffler, exhaust system v8 (lr4/4.8v, lq4/6.0u with nc1, nu1, nu2)

  • OEM part number: 25851450
  • Quantity in car: 1
  • Usage: G237, 337 (LQ4)

$700.15—724.39

Available in 2 shops

Add to cart

Muffler, exhaust system v8 (lr4/4.8v, lq4/6.0u with nc1, nu1, nu2)

  • OEM part number: 25851452
  • Quantity in car: 1
  • Usage: G234 (LR4), G234, 334 (LR4)

$529.12—796.48

Available in 38 shops

Add to cart

Muffler, exhaust system v8 (lr4/4.8v, lq4/6.0u with nc1, nu1, nu2)

  • OEM part number: 25851453
  • Quantity in car: 1
  • Usage: G237 (LR4), G237, 337 (LR4)

$540.78

Available in 1 shop

Add to cart

Converter LH, exhaust system v8 (lr4/4.8v, lq4/6.0u with nc1, nu1, nu2)

  • OEM part number: 25921611
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: G2, 3 (06) (LQ4, LR4, NA4, NF4, NT9, ZP3, ZX5), G2, 3 (06) (LQ4, LR4, NA4, NF4, NT9, ZP3, ZX5), G2, 3 (05) (LQ4, LR4, NA4, NF4, NT9) (EXC YF7, 5N6), G2, 3 (05-06) (LQ4, LR4, NA4, NF9), G2, 3 (05) (LQ4, LR4, NA4, NF4, NT9) (EXC YF7, 5N6), G2, 3 (05-06) (LQ4, LR4, NA4, NF9), G2, 3 (05-06) (LQ4, LR4, NF4, NF9, NT9), G2, 3 (05-06) (LQ4, LR4, NF4, NF9, NT9)

$508.49—968.79

Available in 38 shops

Add to cart

Bolt, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11517743
  • Quantity in car: 2
  • Hexagon with flat washer, m8x1.25x20, 9 thread, 24 outside diameter, 6202m, 7114m, tappet, tr-point (exhaust heat shield)

$2.89—3.05

Available in 2 shops

Add to cart

Rivet, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11561734
  • Pop, .187"shank diameter, .51"long, .625"od, .062-.25grip, aluminum, purple, dome hd. (catalytic converter heat shield)

$2.35—3.87

Available in 38 shops

Add to cart

Shield, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15081303
  • Quantity in car: 1
  • Exhaust tail pipe heat
  • Usage: G1, 2, 3 (05-06), H1, 2

$68.61—124.98

Available in 38 shops

Add to cart

Shield, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15081304
  • Quantity in car: 1
  • Usage: G237, 337 (05-06)

$38.46—60.17

Available in 38 shops

Add to cart

Shield, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15094414
  • Quantity in car: 1
  • Exhaust heat
  • Usage: G2, 3 (MT1)

$6.35—6.83

Available in 2 shops

Add to cart

Shield, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15123700
  • Quantity in car: 1
  • Exhaust muffler heat (right-hand, passenger side, rear)
  • Usage: G1, 2, 3 (05-06), H1, 2

$32.61—42.26

Available in 38 shops

Add to cart

Shield, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15248169
  • Quantity in car: 1
  • Exhaust muffler heat (right-hand, passenger side, front)
  • Usage: G1, 2, 3 (05-06), H1, 2, G1, 2, 3 (05-06), H1, 2, G1, 2, 3 (05-06)

$44.09—83.87

Available in 38 shops

Add to cart

Rivet, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15728488
  • Quantity in car: 12
  • Exhaust muffler heat shield (6.35mm nominal size, 1.78-3.56mm grip range)
  • Usage: G237, 337

$2.76—2.91

Available in 2 shops

Add to cart

Rivet, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15728488
  • Quantity in car: 8
  • Exhaust muffler heat shield (6.35mm nominal size, 1.78-3.56mm grip range)
  • Usage: G134, 234, 334 (05-06), H134, 234

$2.76—2.91

Available in 2 shops

Add to cart

Rivet, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15728488
  • Quantity in car: 4
  • Exhaust tail pipe heat shield (6.35mm nominal size, 1.78-3.56mm grip range)
  • Usage: G1, 2, 3 (05-06), H1, 2

$2.76—2.91

Available in 2 shops

Add to cart

Shield LH, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15748929
  • Quantity in car: 1
  • Exhaust heat
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3), H1, 2 (LM7, LQ4, LR4, LU3), G1, 2, 3 (LM7, LQ4, LR4, LU3, L59), GH1, 2, 3 (LMF, LU3, LY2, LY6)

$51.32—55.21

Available in 2 shops

Add to cart

Shield RH, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15748930
  • Quantity in car: 1
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, LU3), H1, 2 (LM7, LQ4, LR4, LU3), G1, 2, 3 (LM7, LQ4, LR4, LU3, L59), GH1, 2, 3 (LMF, LU3, LY2, LY6)

$56.90—61.23

Available in 2 shops

Add to cart

Shield, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15751162
  • Quantity in car: 1
  • Usage: H1, 2, G1, 2, 3 (05-06)

$22.56—26.71

Available in 38 shops

Add to cart

Nut LH, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15997953
  • Quantity in car: 1
  • Exhaust manifold pipe heat shield (5mm x 24mm)
  • Usage: G1, 2, 3, G1, 2, 3 (LM7, LQ4, LR4, LU3), G1, 2, 3 (LM7, LQ4, LR4, LU3, L59), G1, 2, 3 (LMF, LU3, LY2, LY6), G1, 2, 3, H1, 2 (LM7), H1, 2

$0.76—0.78

Available in 2 shops

Add to cart

Nut, heat shields/exhaust (lu3/4.3x, lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15997953
  • Quantity in car: 1
  • Catalytic converter heat shield (5mm x 24mm)
  • Usage: G1, 2, 3, H1, 2, G1, 2, 3 (LM7, LQ4, LR4, LU3, L59), G1, 2, 3 (LMF, LU3, LY2, LY6), G1, 2, 3 (LM7, LQ4, LR4, LU3)

$0.76—0.78

Available in 2 shops

Add to cart

Nut, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 11516075
  • Quantity in car: 1
  • Hex flanged head self lock, m6x1, 7.7thk, 14.2 outside diameter, 9, pzor (compressed natural gas high pressure regulator bracket)

$0.47—1.21

Available in 39 shops

Add to cart

Filter, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371563
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator
  • Usage: G2, 3 (KL6, KL8)

$74.65—81.55

Available in 2 shops

Add to cart

Washer, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371566
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator (flare, .390id, .635 outside diameter, .031)
  • Usage: G2, 3 (KL6, KL8)

$2.34—2.56

Available in 2 shops

Add to cart

Shield, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371568
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator
  • Usage: G234, 334 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6)

$15.94—17.14

Available in 2 shops

Add to cart

Clamp, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371569
  • Quantity in car: 1
  • Compressed natural gas low pressure regulator ventilation hose
  • Usage: G234, 334 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6)

$2.10—2.36

Available in 2 shops

Add to cart

Bolt, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371571
  • Quantity in car: 2
  • Compressed natural gas high pressure regulator shield (hexagon head, 5/16-18, unc-2a x 1/2, gr8)
  • Usage: G2, 3 (KL6, KL8)

$1.46—1.80

Available in 38 shops

Add to cart

Bolt, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371575
  • Quantity in car: 2
  • Compressed natural gas high pressure regulator shield (hexagon head, m6x1.00x20)
  • Usage: G234, 334 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6, KL8)

$2.00—2.17

Available in 2 shops

Add to cart

Bolt, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371575
  • Quantity in car: 3
  • Compressed natural gas high pressure regulator shield (hexagon head, m6x1.00x20)
  • Usage: G237, 337 (05-06) (KL6)

$2.00—2.17

Available in 2 shops

Add to cart

Washer, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371576
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator bracket (8mm)
  • Usage: G2, 3 (KL6, KL8)

$0.20—0.21

Available in 2 shops

Add to cart

Regulator, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371578
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (KL8)

$353.39—435.34

Available in 2 shops

Add to cart

Nut, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371580
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator bracket (m8x1.25)
  • Usage: G234, 334 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6, KL8)

$3.03—4.51

Available in 38 shops

Add to cart

Clamp, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371658
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator heater inlet hose
  • Usage: G2, 3 (KL6, KL8)

$4.04—6.22

Available in 38 shops

Add to cart

Hose kit, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52371659
  • Quantity in car: 1
  • Compressed natural gas
  • Usage: G237, 337 (05-06) (KL8)

$?

Add to cart

Hose kit, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52372279
  • Quantity in car: 1
  • Compressed natural gas
  • Usage: G234, 334 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6)

$24.43—25.52

Available in 2 shops

Add to cart

Regulator, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52372316
  • Quantity in car: 1
  • Usage: G2, 3 (05-06) (KL6)

$323.48

Available in 1 shop

Add to cart

Bracket, natural gas high pressure regulator (kl6, kl8)

  • OEM part number: 52372403
  • Quantity in car: 1
  • Usage: G234, 334 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6, KL8)

$0.50—25.71

Available in 2 shops

Add to cart

Hose, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 09438373
  • Fuel-oil evaporative 3/8"x24' (compressed natural gas high pressure regulator heater inlet)

$?

Add to cart

Retainer, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 10121502
  • Quantity in car: 1
  • Fits .250 hole, 1.01lg.700-outside diameter nylon black (fuel hose)

$0.43—1.08

Available in 38 shops

Add to cart

Nut, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 11516075
  • Quantity in car: 2
  • Hex flanged head self lock, m6x1, 7.7thk, 14.2 outside diameter, 9, pzor (fuel tank)

$0.47—1.21

Available in 39 shops

Add to cart

Clamp, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 11517133
  • Quantity in car: 2
  • Spring, 22-26mm, 24 nom., block (heater hose)

$4.26

Available in 1 shop

Add to cart

Nut, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 11570097
  • Quantity in car: 1

$2.72—4.31

Available in 38 shops

Add to cart

Clamp, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 11570616
  • Quantity in car: 2

$2.40—3.27

Available in 38 shops

Add to cart

Nut, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 11571164
  • Quantity in car: 1
  • Fuel tank (compressed natural gas)
  • Usage: G2, 3 (KL6, KL8)

$3.99—5.89

Available in 38 shops

Add to cart

Hose, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 25760947
  • Quantity in car: 1
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, C60) (EXC C36, ENC, YF7)

$24.02—25.99

Available in 2 shops

Add to cart

Hose, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 25760948
  • Quantity in car: 1
  • Usage: G1, 2, 3 (LM7, LQ4, LR4)

$4.26—36.53

Available in 2 shops

Add to cart

Hose, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 25760950
  • Quantity in car: 1
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, C42) (EXC C36, ENC)

$33.17—36.99

Available in 38 shops

Add to cart

Hose, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 25760951
  • Quantity in car: 1
  • Usage: G1, 2, 3 (LM7, LQ4, LR4, C60) (EXC C36, ENC, YF7)

$22.88—24.76

Available in 2 shops

Add to cart

Fitting, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 52371640
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator heater inlet hose (3/4 x 3/4 x 3/8" tee)
  • Usage: G234, 334 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6, KL8)

$24.54—26.70

Available in 38 shops

Add to cart

Clamp, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 52371641
  • Quantity in car: 2
  • Compressed natural gas high pressure regulator heater inlet & outlet hose
  • Usage: G234, 334 (05-06) (KL6, KL8), G237, 337 (05-06) (KL6, KL8), G237 (05) (KL6, KL8)

$3.05—3.31

Available in 38 shops

Add to cart

Fitting, natural gas regulator heater hoses (kl6, kl8)

  • OEM part number: 52371642
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator heater inlet hose (5/8 x 5/8 x 3/8" tee)
  • Usage: G234, 334 (05-06) (KL6, KL8)

$8.19—8.91

Available in 38 shops

Add to cart

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