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Parts found for 2003 Chevrolet Express 1500 4WD > Engine > Engine Assembly-Manifolds & Fuel Related Parts

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  •  
    CONNECTOR, Chassis Electrical Make Sure These Fit  
  • CONNECTOR, INLINE-TO ENGINE HARNESS(PART OF 532)(14-WAY FEMALE)(W/O LEADS)
    Replaced by: 19179461
    $5.16
    $3.29
  • CONNECTOR, INLINE-TO ENGINE HARNESS(PART OF 532)(BLACK)(16-WAY MALE)(W/O LEADS)(GT280)(4.720)
    $5.28
    $3.37
  • CONNECTOR, INLINE-TO ENGINE HARNESS(PART OF 532)(BLACK)(24-WAY MALE)(W/CAVITY PLGS,TPAS & PILLAR)(W/O LEADS)
    $30.18
    $19.26
  • CONNECTOR, INLINE-TO ENGINE HARNESS(PART OF 532)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
    $43.46
    $24.31
  • CONNECTOR, INLINE-TO ENGINE HARNESS(PART OF 532)(GRAY)(7-WAY MALE)(W/LEADS)
    Require Qty: 02
    Package Qty: 1
    $69.80
    $39.04
  • GASKET KIT, Engine Cylinder Head
    GASKET KIT,CYL HEAD(EXCEPT:CYL HEAD BOLTS)(INCLUDES KIT CONTAINS: GASKETS FOR CYLINDER HEAD,INTAKE AND EXHAUST MANIFOLDS,SEAL-ENGINE COOLANT AIR BLEED PIPE(0-RING)(INCLUDES GASKET,CYL HEAD,INTAKE MANIFOLD,EXHAUST MANIFOLD,VALVE ROCKER COVER,SEAL)
    $259.78
    $165.84
  •  
    GASKET, Manifold to Cylinder Head Make Sure These Fit  
  • GASKET, ENGINE BLOCK VALLEY COVER(PART OF 527)
    $32.61
    $20.82
  • GASKET, EXHAUST MANIFOLD(*KIT1)
    Require Qty: 02
    Package Qty: 1
    $19.69
    $11.01
  •  
    MANIFOLD, Engine Exhaust Manifold Make Sure These Fit  
  • MANIFOLD, EXHAUST(INCLUDES SHIELD,BOLTS)
    Location: Driver Side
    Fitting Vehicle Options: GH1,2(LM7)
    $266.16
    $169.92
  • MANIFOLD, EXHAUST(INCLUDES SHIELD,BOLTS)
    Location: Passenger Side
    Fitting Vehicle Options: GH1(LM7)
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  •  
    SEAL, Engine Coolant By-Pass Make Sure These Fit  
  • SEAL, ENGINE COOLANT AIR BLEED PIPE (O RING)(FLAT TYPE-TWO-HOLE SEAL)
    $8.69
    $5.54
  • SEAL, ENGINE COOLANT AIR BLEED PIPE (O RING)(FLAT TYPE-TWO-HOLE SEAL-HAS METAL CARRIER)(PART OF 541)
    Require Qty: 04
    Package Qty: 1
    $8.69
    $5.54
  •  
    SENSOR, Distributor (also Knock Sensor) Make Sure These Fit  
  • SENSOR, CAMSHAFT POSITION(INCLUDES 520)
    Fitting Vehicle Options: GH1,2(LM7)
    $102.94
    $57.57
  • SENSOR, KNOCK
    Fitting Vehicle Options: GH1,2(LM7)
    Require Qty: 02
    Package Qty: 1
    $99.02
    $55.38
  • SENSOR, KNOCK(ALL MAKES)
    Fitting Vehicle Options: H134(05)(LM7), H134(06)(LM7), H234(05)(LM7), H234(05)(LR4)
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  • WIRE, Chassis Wiring
    WIRE,KNOCK SENSOR(INCLUDES 530,531,540)(CONTAINS 1 CONNECT TO ENGINE HARNESS,2 CONNECT TO KNOCK SENSORS,2 GROMMET)
    $65.66
    $41.91
  •  
    Standard Parts Make Sure These Fit  
  • BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(CRANKSHAFT POSITION SENSOR)
    $1.55
    $1.00
  • BOLT, HEX FLANGED HEAD,M6X1X30,22.7 THREAD,14.2 OUTSIDE DIAMETER,8.8,GMW3359, M-POINT.(ENGINE COOLANT AIR BLEED PIPE)
    $5.88
    $3.75
  • BOLT, HEX FLANGED HEAD,M8X1.25X30,20.9 THREAD,18 O.D.,10.9,GMW3179 CODE G,GM6194M(EXHAUST MANIFOLD)
    Replaced by: 11547135
    $3.83
    $2.58
  • BOLT, HEX FLANGED HEAD,M8X1.25X30,28THD,18 O.D.,MACHINE POINT,10.9,7114M(PART OF 527)
    $1.22
    $0.78
  • CLAMP, SPRG BAND,14.2MM,9/16 OUTSIDE DIAMETER HOSE,PHOSPHATE ORGANIC(PART OF 536)
    $6.81
    $4.35
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the lowest prices for genuine 2003 Chevrolet Express 1500 4WD parts. Parts like Engine Assembly-Manifolds & Fuel Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L. Model Code: 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS.
 
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This part contains hazardous material.

This part is a packaged part and contains multiple quantities of: (Pack Qty: 4)

This part is a packaged part and contains multiple quantities of the same item. In an effort to simplify packaging GM will sometimes include multiple parts in a package.