Engine Assembly-Manifold & Fuel Related Parts fit your 2003 Chevrolet Express 3500

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2003 Chevrolet Express 3500
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Body Mounting, Air Conditioning, Audio/Entertainment
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Frames, Springs, Shocks, Bumpers, Fascias
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Maintenance Parts, Fluids, Capacities, Electrical Connectors
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transmission
Categories Close X

Currently selected

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Frames, Springs, Shocks, Bumpers, Fascias
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Maintenance Parts, Fluids, Capacities, Electrical Connectors
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transmission
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • SENSOR, Distributor (also Knock Sensor)
    12589867
    SENSOR, KNOCK
    • Fitting Vehicle Options: G2,3(LR4), G2,3(LQ4)
    • Require Quantity: 02
    • Package Quantity: 1
    $131.06 $63.12
    1
    Add To Cart
  • Chevrolet 19420911
    19420911
    SENSOR, CAMSHAFT POSITION(INCLUDES 520)(MATING CONNECT W/LEADS USE 13585316)
    • Fitting Vehicle Options: G2,3(LQ4), G2,3(LR4)
    $123.83 $59.64
    1
    Add To Cart
  • GASKET, Manifold to Cylinder Head
    12617944
    GASKET, EXHAUST MANIFOLD(*KIT1)
    • Require Quantity: 02
    • Package Quantity: 1
    $35.00 $16.86
    1
    Add To Cart
  • 12558178
    GASKET, ENGINE BLOCK VALLEY COVER(PART OF 527)
    $43.39 $27.57
    1
    Add To Cart
  • MANIFOLD, Engine Exhaust Manifold
    12616285
    MANIFOLD, EXHAUST(INCLUDES SHIELD,BOLTS)
    • Location: Driver Side
    • Fitting Vehicle Options: G2,3(LR4), G2,3(LQ4)
    $167.37 $93.16
    1
    Add To Cart
  • 12616286
    MANIFOLD, EXHAUST(INCLUDES SHIELD,BOLTS)
    • Location: Passenger Side
    • Fitting Vehicle Options: G2,3(LR4,MT1), G2,3(LQ4,MT1,NC8,NF4,NF9,NT9)
    $327.82 $207.38
    1
    Add To Cart
  • Chevrolet 12605246
    12605246
    MANIFOLD, EXHAUST
    • Location: Passenger Side
    • Fitting Vehicle Options: G2,3(LQ4,NC1)
  • BOLT, Intake & Exhaust Manifold
    17122601
    BOLT, INTAKE MANIFOLD(PART OF 511)
    • Require Quantity: 10
    • Package Quantity: 1
    $14.44 $9.18
    1
    Add To Cart
  • 11546600
    BOLT, EXHAUST MANIFOLD(M8X1.25X30.7)
    • Require Quantity: 12
    • Package Quantity: 1
    $9.33 $6.24
    1
    Add To Cart
  • CONNECTOR, Distributor (also Knock Sensor)
    13586114
    CONNECTOR, SENSOR-KNOCK(PART OF 532)(BLACK)(ACCEPTS 1.5MM TERMS)(2-WAY FEMALE)(METRI-PACKING 150 SERIES)(W/LEADS)(1.203)
    • Fitting Vehicle Options: G1,2,3(LM7,LQ4,LR4)
    $49.12 $26.03
    1
    Add To Cart
  • 12102621
    CONNECTOR, SENSOR-KNOCK(PART OF 532)(GRAY)(1-WAY MALE)(W/LEADS)(2.535)
    • Fitting Vehicle Options: G1,2,3(LM7,LR4,LQ4,MT1)
    • Require Quantity: 02
    • Package Quantity: 1
    $32.02 $16.97
    1
    Add To Cart
  • CONNECTOR, Chassis Electrical
    Chevrolet 15306424
    15306424
    CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(8-WAY MALE)(GT280)(W/ LEADS)
    • Fitting Vehicle Options: G2,3(LQ4,LR4,NA4)
    $139.66 $43.40
    1
    Add To Cart
  • Chevrolet 12102490
    12102490
    CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(GRAY)(7-WAY MALE)(W/LEADS)
    • Fitting Vehicle Options: G1,2,3
    • Require Quantity: 02
    • Package Quantity: 1
    $83.96 $44.50
    1
    Add To Cart
  • 12167120
    CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(2-WAY MALE)(W/LEADS)(OVAL)(MATING CONNECT W/LEADS USE 12102747)(4.720)
    • Fitting Vehicle Options: G1,2,3
    $62.82 $33.29
    1
    Add To Cart
  • Chevrolet 19167005
    19167005
    CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(24-WAY MALE)(W/CAVITY PLGS,TPAS & PILLAR)(W/O LEADS)
    • Fitting Vehicle Options: G1,2,3
    $36.08 $22.92
    1
    Add To Cart
  • Chevrolet 12160782
    12160782
    CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(20-WAY M)(W/O LEADS)
    • Fitting Vehicle Options: G2,3
  • Chevrolet 19179461
    19179461
    CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(14-WAY FEMALE)(W/O LEADS)
    • Fitting Vehicle Options: G1,2,3
  • Chevrolet 88986347
    88986347
    CONNECTOR, ENGINE WIRING HARNESS(PART OF 532)(BLACK)(16-WAY MALE)(W/O LEADS)(GT280)(4.720)
    • Fitting Vehicle Options: G1,2,3
  • GASKET KIT, Engine Cylinder Head
    Chevrolet 89017252
    89017252
    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)
    • Fitting Vehicle Options: G2,3(LR4)
    $317.38 $200.80
    1
    Add To Cart
  • 19368586
    GASKET KIT, CYL HEAD(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)
    • Fitting Vehicle Options: G2,3(LR4)
    $453.23 $260.41
    1
    Add To Cart
  • 89017253
    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)(INCLUDE HEAD,INTKE & EXHAUST MANIFOLD GASKETS & COOLANT AIR BLEED PIPE SEALS)(INCLUDES GASKETS,SEAL)
    • Fitting Vehicle Options: G2,3(LQ4)
    $468.97 $296.71
    1
    Add To Cart
  • 88894351
    GASKET KIT, CYL HEAD(INCLUDES:CYL HEAD BOLTS)(INCLUDES KIT CONTAINS: GASKETS FOR CYLINDER HEAD,INTAKE AND EXHAUST MANIFOLDS,SEAL-ENGINE COOLANT AIR BLEED PIPE(0-RING)
    • Fitting Vehicle Options: G2,3(LQ4)
  • SEAL, Engine Coolant By-Pass
    12551933
    SEAL, ENGINE COOLANT AIR BLEED PIPE (O RING)(FLAT TYPE-TWO-HOLE SEAL-HAS METAL CARRIER)(PART OF 541)
    • Fitting Vehicle Options: G2,3(LQ4), G2,3(LR4)
    • Require Quantity: 04
    • Package Quantity: 1
    $12.52 $7.96
  • 12551933
    SEAL, ENGINE COOLANT AIR BLEED PIPE (O RING)(FLAT TYPE-TWO-HOLE SEAL)
    • Fitting Vehicle Options: G2,3(LR4), G2,3(LQ4)
    $12.52 $7.96
  • 12601822
    WIRE, Chassis Wiring, WIRE,KNOCK SENSOR(INCLUDES 530,531,540)(CONTAINS 1 CONNECT TO ENGINE HARNESS,2 CONNECT TO KNOCK SENSORS,2 GROMMET)
    $82.89 $52.67
    1
    Add To Cart
  • 11515767
    BOLT, HEX FLANGED HEAD,M10X1.5X35,32THD,22.3 O.D.,MACHINE,10.9,7114M(EGR VALVE)(TOGETHER WITH 12345493)
    • Fitting Vehicle Options: G2,3
    • Require Quantity: 02
    • Package Quantity: 10
    $1.22 $0.79
    10
    Add To Cart
  • 11588714
    BOLT, HEX FLANGED HEAD,M6X1X30,22.7 THREAD,14.2 OUTSIDE DIAMETER,8.8,GMW3359, M-POINT.(ENGINE COOLANT AIR BLEED PIPE)
    • Require Quantity: 04
    • Package Quantity: 1
    $9.71 $6.18
    1
    Add To Cart
  • 11588712
    BOLT, HEX FLANGED HEAD,M6X1X20,17.5 THREAD,14.2 O.D.,8.8, GMW3359(ENGINE WIRING HARNESS BRACKET (TO ENGINE REAR))
    $7.39 $4.69
    10
    Add To Cart
  • 11561025
    BOLT, HEX FLANGED HEAD,M6X1X16,13.5 THREAD,14.2 OUTSIDE DIAMETER,GMW25 STEEL,GMW3200,MACHINE,HEADER POINT(EGR VALVE PIPE)
    • Fitting Vehicle Options: G2,3
    $9.15 $5.81
    1
    Add To Cart
  • 11515758
    BOLT, HEX FLANGED HEAD,M8X1.25X30,28THD,18 O.D.,MACHINE POINT,10.9,7114M(PART OF 527)
    • Require Quantity: 10
    • Package Quantity: 10
    $1.86 $1.18
    10
    Add To Cart
  • 11508476
    BOLT, M8X1.25X25 9.8(DISTRIBUTOR CLA)
    $3.55 $2.25
    10
    Add To Cart
  • 11515756
    BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(CRANKSHAFT POSITION SENSOR)
    $7.50 $4.76
    10
    Add To Cart
  • 11518950
    STUD, HEX FLANGED HEAD,M6X1X16,M6X1X14,34.7 TL,13 O.D.,10.9,GMW3359(IGNITION COIL)
    • Require Quantity: 02
    • Package Quantity: 10
    $21.81 $13.86
    10
    Add To Cart
  • 25526358
    CLAMP, SPRG BAND,14.2MM,9/16 OUTSIDE DIAMETER HOSE,PHOSPHATE ORGANIC(PART OF 536)
    • Require Quantity: 02
    • Package Quantity: 1
    $8.19 $5.21
    1
    Add To Cart
  • 9439930
    BOLT, HEX FLANGED HEAD 1/4-20X.56 280M PHOSPHATE ZINC ORGANIC(SPARK PLUG WIRE RETAINER BRACKET)
    • Require Quantity: 04
    • Package Quantity: 1
    • Replaced By: 11561767
    $7.39 $4.69
    1
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Express 3500 parts. Parts like Engine Assembly-Manifold & 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: 8 Cyl 4.8L, 8 Cyl 6.0L. Model Code: 1 TON CARGO EXPRESS, 1 TON PASSENGER.