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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

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

Washer, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52371682
  • Quantity in car: 1
  • Fuel tank (3/8 fittings)
  • Usage: G2, 3 (KL6, KL8)

$0.48—0.54

Available in 38 shops

Add to cart

Sensor, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52371701
  • Quantity in car: 1
  • Fuel pressure
  • Usage: G2, 3 (KL6, KL8), G2, 3 (KL6, KL8)

$177.93—194.69

Available in 38 shops

Add to cart

Coil, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52371840
  • Quantity in car: 1
  • Usage: G2, 3 (KL6, KL8)

$47.95—51.59

Available in 2 shops

Add to cart

Solenoid, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52371841
  • Quantity in car: 1
  • Usage: G2, 3 (KL6, KL8)

$116.79—125.66

Available in 2 shops

Add to cart

Housing, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52371842
  • Quantity in car: 1
  • Usage: G2, 3 (KL8)

$1.77—37.10

Available in 2 shops

Add to cart

Harness kit, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52372264
  • Quantity in car: 1
  • Compressed natural gas wiring (dedicated injector jumper harness - odd)
  • Usage: G2, 3 (05-06) (KL8)

$26.54—29.87

Available in 2 shops

Add to cart

Harness kit, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52372265
  • Quantity in car: 1
  • Compressed natural gas wiring (dedicated injector jumper harness - even)
  • Usage: G2, 3 (05-06) (KL8)

$8.11—26.60

Available in 2 shops

Add to cart

Plug, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52372303
  • Quantity in car: 1
  • Evaporative emission hose (3/8")
  • Usage: G2, 3 (05-06) (KL8)

$7.78—11.15

Available in 37 shops

Add to cart

Plug, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52372304
  • Quantity in car: 1
  • Evaporative emission hose (5/16")
  • Usage: G2, 3 (05-06) (KL8)

$1.77—2.37

Available in 38 shops

Add to cart

Seal, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 52372314
  • Quantity in car: 1
  • Fuel tank filler evaporative emission valve (O-ring)
  • Usage: G2, 3 (KL6, KL8)

$1.57—1.77

Available in 2 shops

Add to cart

Retainer, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 88894354
  • Quantity in car: 1
  • Fuel injector (fuel meter body)
  • Usage: G1, 2 (LU3)

$17.01—32.09

Available in 37 shops

Add to cart

Bolt kit, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 89017368
  • Quantity in car: 1
  • Usage: G2, 3 (LR4), G1, 2 (LM7, M30), G2, 3 (LQ4, MT1)

$14.93—33.74

Available in 38 shops

Add to cart

Bolt kit, fuel injector rail (dedicated natural gas kl8)

  • OEM part number: 89017368
  • Quantity in car: 1
  • Intake manifold (to cylinder head)
  • Usage: G2, 3 (LR4), G2, 3 (LQ4), G1, 2 (LM7)

$14.93—33.74

Available in 38 shops

Add to cart

Rail LH, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 12602113
  • Quantity in car: 1
  • Usage: G2, 3 (LR4), G1, 2 (LM7), G2, 3 (LQ4, MT1)

$85.70—169.66

Available in 38 shops

Add to cart

Nut, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 15685170
  • Quantity in car: 4
  • Hexagon head with flat washer, m6x1, 5.5 thick, 9, 7111m, 2mm thick 19 outside diameter washer, nyloc (fuel injector)

$2.66—3.14

Available in 38 shops

Add to cart

Rail RH, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 17113695
  • Quantity in car: 1
  • Usage: G2, 3 (LR4), G2, 3 (LQ4), G1, 2 (LM7), G2, 3 (LR4), G1, 2 (LM7), G2, 3 (LQ4, MT1)

$121.39—241.15

Available in 38 shops

Add to cart

Rail LH, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 17113696
  • Quantity in car: 1
  • Usage: G2, 3 (LR4), G2, 3 (LQ4), G1, 2 (LM7)

$117.84—234.14

Available in 38 shops

Add to cart

Injector, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 17113698
  • Quantity in car: 8
  • Usage: G2, 3 (LR4), G2, 3 (LQ4), G1, 2 (LM7)

$85.61—195.67

Available in 38 shops

Add to cart

Injector, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 19236325
  • Quantity in car: 1
  • Usage: G234 (05) (LM7), G234 (05) (LM7), G234 (05) (LQ4), G234 (05) (LR4), G234 (05) (LQ4), G234 (05) (LR4)

$97.96

Available in 1 shop

Add to cart

Injector, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 19236340
  • Quantity in car: 1
  • Usage: G234 (05) (LU3)

$123.27—233.28

Available in 37 shops

Add to cart

Retainer, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 25168573
  • Quantity in car: 8
  • Usage: G2, 3 (LQ4), G2, 3 (LR4), G1, 2 (LM7)

$?

Add to cart

Rail RH, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371549
  • Quantity in car: 1
  • Usage: G234 (05-06) (KL6)

$?

Add to cart

Rail LH, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371551
  • Quantity in car: 1
  • Usage: G234 (05-06) (KL6)

$537.01—604.28

Available in 2 shops

Add to cart

Retainer, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371552
  • Quantity in car: 8
  • Usage: G2, 3 (KL6)

$48.18

Available in 1 shop

Add to cart

Washer, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371566
  • Quantity in car: 1
  • Fuel tank (flare, .390id, .635 outside diameter, .031)
  • Usage: G2, 3 (KL6)

$2.34—2.56

Available in 2 shops

Add to cart

Bolt, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371643
  • Quantity in car: 4
  • Compressed natural gas tk frame upper rail
  • Usage: G2, 3 (KL6, KL8)

$1.23—1.51

Available in 38 shops

Add to cart

Sensor, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371647
  • Quantity in car: 1
  • Usage: G2, 3 (KL6, KL8)

$37.76—39.45

Available in 2 shops

Add to cart

Bracket, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371648
  • Quantity in car: 1
  • Fuel injection fuel feed & return pipe (right-hand rail)
  • Usage: G234, 334 (05-06) (KL6), G234 (05-06) (KL6)

$13.70

Available in 1 shop

Add to cart

Bolt, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371650
  • Quantity in car: 14
  • Compressed natural gas tk support
  • Usage: G2, 3 (KL6, KL8)

$1.02

Available in 1 shop

Add to cart

Bracket, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371651
  • Quantity in car: 8
  • Usage: G2, 3 (KL6, KL8)

$1.10—3.85

Available in 2 shops

Add to cart

Injector, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371652
  • Quantity in car: 8
  • Usage: G2, 3 (KL6, KL8)

$200.11—208.75

Available in 2 shops

Add to cart

Bracket, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371653
  • Quantity in car: 1
  • Fuel injection fuel feed & return pipe (left-hand rail)
  • Usage: G234 (05-06) (KL6)

$132.62

Available in 1 shop

Add to cart

Clip, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371679
  • Quantity in car: 1
  • Compressed natural gas high pressure regulator pipe
  • Usage: G234, 334 (05-06) (KL6), G234 (05-06) (KL6)

$0.52

Available in 1 shop

Add to cart

Washer, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371682
  • Quantity in car: 1
  • Fuel tank (3/8 fittings)
  • Usage: G2, 3 (KL6)

$0.48—0.54

Available in 38 shops

Add to cart

Spacer, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371685
  • Quantity in car: 4
  • Compressed natural gas low pressure regulator bracket
  • Usage: G234 (05-06) (KL6), G234, 334 (05-06) (KL6)

$6.96

Available in 1 shop

Add to cart

Sensor, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371701
  • Quantity in car: 1
  • Fuel pressure
  • Usage: G2, 3 (KL6, KL8), G2, 3 (KL6, KL8)

$177.93—194.69

Available in 38 shops

Add to cart

Coil, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371840
  • Quantity in car: 1
  • Usage: G2, 3 (KL6, KL8)

$47.95—51.59

Available in 2 shops

Add to cart

Solenoid, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371841
  • Quantity in car: 1
  • Usage: G2, 3 (KL6, KL8)

$116.79—125.66

Available in 2 shops

Add to cart

Housing, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371843
  • Quantity in car: 1
  • Usage: G2, 3 (KL6)

$37.81—40.68

Available in 2 shops

Add to cart

Seal, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52371862
  • Quantity in car: 1
  • Usage: G234 (05-06) (KL6)

$1.87—2.04

Available in 2 shops

Add to cart

Harness kit, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52372262
  • Quantity in car: 1
  • Compressed natural gas wiring (bifuel injector jumper harness - odd)
  • Usage: G234, 334 (05-06) (KL6), G234, 3 (05-06) (KL6)

$57.42—64.61

Available in 2 shops

Add to cart

Strap, fuel injector rail/natural gas (bi-fuel natural gas kl6)

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

$0.50—2.41

Available in 2 shops

Add to cart

Seal, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52372314
  • Quantity in car: 1
  • Fuel tank filler evaporative emission valve (O-ring)
  • Usage: G2, 3 (KL6, KL8)

$1.57—1.77

Available in 2 shops

Add to cart

Harness kit, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 52372460
  • Quantity in car: 1
  • Usage: G2, 3 (KL6, KL8), G234, 3 (05-06) (KL6, KL8)

$57.42—64.61

Available in 2 shops

Add to cart

Retainer, fuel injector rail/natural gas (bi-fuel natural gas kl6)

  • OEM part number: 88894354
  • Quantity in car: 1
  • Usage: G1, 2 (LU3)

$17.01—32.09

Available in 37 shops

Add to cart

Body, throttle body (lu3/4.3x)

  • OEM part number: 12595276
  • Quantity in car: 1
  • Usage: G1, 2 (LU3, M30)

$291.49—318.45

Available in 2 shops

Add to cart

Valve, throttle body (lu3/4.3x)

  • OEM part number: 17113209
  • Quantity in car: 1
  • Idle air cont
  • Usage: G1, 2 (LU3, M30)

$93.83—186.45

Available in 38 shops

Add to cart

Bolt kit, throttle body (lu3/4.3x)

  • OEM part number: 17113216
  • Quantity in car: 1
  • Usage: G1, 2 (LU3)

$20.65—38.45

Available in 38 shops

Add to cart

Sensor, throttle body (lu3/4.3x)

  • OEM part number: 17123852
  • Quantity in car: 1
  • Throttle position (with seal)
  • Usage: G1, 2, 3, G1, 2 (LU3)

$40.71—79.44

Available in 38 shops

Add to cart

Seal kit, fuel meter body (lu3/4.3x)

  • OEM part number: 12570622
  • Quantity in car: 1
  • Fuel pressure regulator
  • Usage: G1, 2 (LU3, M30)

$12.23—13.37

Available in 2 shops

Add to cart

Retainer, fuel meter body (lu3/4.3x)

  • OEM part number: 17090512
  • Quantity in car: 1
  • Fuel pressure regulator
  • Usage: G1, 2 (LU3, M30)

$2.97—24.60

Available in 2 shops

Add to cart

Seal kit, fuel meter body (lu3/4.3x)

  • OEM part number: 17113205
  • Quantity in car: 1
  • Usage: G1, 2 (LU3)

$21.86—45.57

Available in 38 shops

Add to cart

Body kit, fuel meter body (lu3/4.3x)

  • OEM part number: 17113273
  • Quantity in car: 1
  • Usage: G1, 2 (LU3)

$116.46—231.39

Available in 38 shops

Add to cart

Injector, fuel meter body (lu3/4.3x)

  • OEM part number: 88894353
  • Quantity in car: 6
  • Sequential multiport fuel (use together with 88894354 retainer)
  • Usage: G1, 2 (LU3)

$83.77—187.79

Available in 38 shops

Add to cart

Retainer, fuel meter body (lu3/4.3x)

  • OEM part number: 88894354
  • Quantity in car: 1
  • Usage: G1, 2 (LU3)

$17.01—32.09

Available in 37 shops

Add to cart

Regulator kit, fuel meter body (lu3/4.3x)

  • OEM part number: 89060422
  • Quantity in car: 1
  • Usage: G1, 2 (LU3, M30)

$61.84—69.59

Available in 2 shops

Add to cart

Bolt, air intake system (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 11589039
  • Quantity in car: 2
  • Hexagon, with conical washer, m6x1x30, 20 thread, 24 outside diameter, 9.8, gmw4205 (air cleaner)

$1.33—1.41

Available in 2 shops

Add to cart

Indicator, air intake system (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15063809
  • Quantity in car: 1
  • Air cleaner air restriction
  • Usage: G2, 3 (LQ4), G2, 3 (LR4), GH1, 2 (LM7)

$22.17—32.48

Available in 38 shops

Add to cart

Duct, air intake system (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15104215
  • Quantity in car: 1
  • Air cleaner outlet (includes duct, clamps, cover)
  • Usage: G2, 3 (LR4), G2, 3 (LQ4), GH1, 2 (LM7)

$63.26—65.45

Available in 2 shops

Add to cart

Bolt, air intake system (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15124696
  • Quantity in car: 3
  • Mass airflow sensor
  • Usage: G1, 2, 3 (LM7, LQ4, LR4), H1, 2 (LM7)

$2.76—4.48

Available in 38 shops

Add to cart

Clamp, air intake system (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15153907
  • Quantity in car: 2
  • Air cleaner outlet duct (104.6 millimeter)
  • Usage: G2, 3 (LQ4), G2, 3 (LR4), GH1, 2 (LM7)

$3.87—7.07

Available in 38 shops

Add to cart

Grommet, air intake system (lr4/4.8v, lm7/5.3t, lq4/6.0u)

  • OEM part number: 15705446
  • Quantity in car: 1
  • Air cleaner air restriction indicator
  • Usage: GH1, 2 (LM7), G2, 3 (LR4)

$1.73—3.50

Available in 38 shops

Add to cart

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