Engine Assembly-Cylinder Head & Related Parts fit your 2003 Chevrolet Avalanche 2500 2WD

My Vehicle Change Vehicle
2003 Chevrolet Avalanche 2500 2WD

8 Cyl 8.1L; Avalanche 3/4 Ton

My Vehicle Change Vehicle
2003 Chevrolet Avalanche 2500 2WD

8 Cyl 8.1L; Avalanche 3/4 Ton

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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
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 - Automatic
Transmission - Manual
Categories Close X

You have 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
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 - Automatic
Transmission - Manual
Sort by:
Recommended
Part No. & Part Description
Price
Part No. &
Part Description
  • BOLT, Hex
    11570082
    BOLT, HEX FLANGED HEAD,M8X1.25X22,19 THREAD,18 OUTSIDE DIAMETER,10.9,GMW3359(VALVE LIFTER GUIDE RETAINER)
    • Require Quantity:
      04
    • Package Quantity:
      10
    MSRP: $7.79
    $4.95
    10
    Add To Cart
  • 11515755
    BOLT, HEXAGON,M8X1.25X16,15 THREAD,18 O.D.,10.9,7114M(EXHAUST MANIFOLD HEAT SHIELD)(TOGETHER WITH 12345493 REPLCS 25534835)
    • Require Quantity:
      04
    • Package Quantity:
      1
    MSRP: --
    $13.05
    1
    Add To Cart
  • 11515756
    BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(SECONDARY AIR INJECTION PIPE)
    • Require Quantity:
      02
    • Package Quantity:
      10
    MSRP: $7.31
    $4.64
    10
    Add To Cart
  • 11515763
    BOLT, HEX FLANGED HEAD,M10X1.5X16,21.5 O.D.,MACHINE POINT,9.8,7114(EGR VALVE PIPE CLIP)
    MSRP: $7.20
    $4.57
    1
    Add To Cart
  • 19418993
    COIL, Ignition Coil, COIL,IGNITION(STAMPED 12556393)(CONSISTS OF A COIL ONLY)
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $121.52
    $64.41
    1
    Add To Cart
  • VALVE, Exhaust
    Chevrolet 12558849
    12558849
    VALVE, EXHAUST(STD)(OS)
    • Require Quantity:
      08
    • Package Quantity:
      1
    • Replaced By:
      19433168
    MSRP: $96.60
    $61.39
    1
    Add To Cart
  • Chevrolet 19206511
    19206511
    VALVE, EXHAUST(0.015 OVERSIZE)
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $125.42
    $79.71
    1
    Add To Cart
  • Chevrolet 12559084
    12559084
    VALVE, EXHAUST(0.003 OVERSIZE)
    • Require Quantity:
      08
    • Package Quantity:
      1
  • Chevrolet 12559086
    12559086
    VALVE, EXHAUST(0.030" OS)
    • Require Quantity:
      08
    • Package Quantity:
      1
  • 11609296
    STUD, Intake & Exhaust Manifold, STUD,EXHAUST MANIFOLD(STRAIGHT,M8X1.25X30,M8X1.25XX12.5,EXTERNAL)(USED AT #1,2,3,5,6,7,8 RH & 1,2,3,4,6,7,8 LH)
    • Require Quantity:
      14
    • Package Quantity:
      1
    MSRP: $6.82
    $4.11
    1
    Add To Cart
  • GUIDE, Engine Valve Push Rod Cover
    12551397
    GUIDE, VALVE LIFTER(ACCOMMODATES 2 VALVE LFTRS EACH)
    • Require Quantity:
      08
    • Package Quantity:
      10
    MSRP: $5.02
    $3.18
    10
    Add To Cart
  • 12562369
    GUIDE, VALVE LIFTER PUSH ROD
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $7.21
    $4.57
    1
    Add To Cart
  • VALVE, Intake
    Chevrolet 12556317
    12556317
    VALVE, INTAKE(STD)
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $54.13
    $34.40
    1
    Add To Cart
  • Chevrolet 19206512
    19206512
    VALVE, INTAKE(0.015" OVERSIZE)
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $32.84
    $19.84
    1
    Add To Cart
  • GASKET, Engine Camshaft & Valve Rocker Cover
    Chevrolet 12557831
    12557831
    GASKET, VALVE ROCKER ARM COVER BOLT(GRAY)(0.413)
    • Require Quantity:
      14
    • Package Quantity:
      1
    MSRP: $13.24
    $8.00
    1
    Add To Cart
  • 12559597
    GASKET, VALVE ROCKER ARM COVER(PART OF 520)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: $35.57
    $22.60
    1
    Add To Cart
  • BOLT, Engine Cylinder Head
    11519111
    BOLT, CYL HEAD(M10X1.5X103)
    • Require Quantity:
      24
    • Package Quantity:
      1
    MSRP: $8.69
    $5.25
    1
    Add To Cart
  • Chevrolet 11519112
    11519112
    BOLT, CYL HEAD(M10X1.5X86)
    • Require Quantity:
      04
    • Package Quantity:
      1
    MSRP: $7.31
    $4.64
    1
    Add To Cart
  • 11519113
    BOLT, CYL HEAD(M10X1.5X52)
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $7.72
    $4.91
    1
    Add To Cart
  • STUD, Emission Control System
    11609953
    STUD, EGR VALVE(M8X1.25X11.5,M8X1.25X24,46 TL,STAINLESS)(3.275)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: $13.80
    $7.31
    1
    Add To Cart
  • Chevrolet 24501688
    24501688
    STUD, EGR VALVE(M8X1.25X16)(ONLY TO EGR ADAPT)
    • Require Quantity:
      02
    • Package Quantity:
      1
  • ROD, Engine Valve Push Rod
    12556295
    ROD, VALVE PUSH(INTAKE)
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $21.24
    $13.49
    1
    Add To Cart
  • Chevrolet 12556296
    12556296
    ROD, VALVE PUSH(EXHAUST)
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $21.70
    $13.78
    1
    Add To Cart
  • GASKET, Engine Cylinder Head
    Chevrolet 12558163
    12558163
    GASKET, CYL HEAD
    • Location:
      Driver Side
    MSRP: $55.63
    $35.36
    1
    Add To Cart
  • Chevrolet 12558164
    12558164
    GASKET, CYL HEAD
    • Location:
      Passenger Side
    MSRP: $65.25
    $41.47
    1
    Add To Cart
  • 12569721
    STUD, Engine Valve Adjusting, STUD,VALVE ROCKER ARM PIVOT(HEXAGON SPECIAL,M10X1.5X19,M8X1.0X18,20.8L X11 OUTSIDE DIAMETER SHIELD,65.4 TL,10.9)(USE THREAD SEALER 12346004 US (CANADA 10953480))
    • Require Quantity:
      16
    • Package Quantity:
      1
    MSRP: $6.28
    $3.99
    1
    Add To Cart
  • HEAD, Engine Cylinder
    Chevrolet 12581476
    12581476
    HEAD, CYL(INCLUDES SEATS,GUIDES)(MUST USE TOGETHER WITH 11609296)("USE SILVER INTAKE BOLTS WHEN USING INTAKE GASKET WITHOUT SNOUTS,USE BLACK INTAKE BOLTS WHEN USING GASKET WITH SNOUTS)
    • Location:
      Passenger Side
    MSRP: $958.86
    $741.68
    1
    Add To Cart
  • Chevrolet 12581477
    12581477
    HEAD, CYL(INCLUDES SEATS,GUIDES)(MUST USE TOGETHER WITH 11609296)("USE SILVER INTAKE BOLTS WHEN USING INTAKE GASKET WITHOUT SNOUTS,USE-BLACK INTAKE BOLTS WHEN USING GASKET WITH SNOUTS)
    • Location:
      Driver Side
    MSRP: $368.66
    $286.45
    1
    Add To Cart
  • 19351578
    WIRE, Spark Plug or Coil, WIRE,SPARK PLUG(STYLE 12HHH, 7MM DIAMETER, 12IN LG)(CONTAINS 1 WIRE)
    • Require Quantity:
      08
    • Package Quantity:
      1
    MSRP: $28.54
    $12.60
    1
    Add To Cart
  • SHIELD, Exhaust Manifold
    12555623
    SHIELD, EXHAUST MANIFOLD HEAT
    • Location:
      Driver Side
  • 12576124
    SHIELD, EXHAUST MANIFOLD HEAT
    • Location:
      Passenger Side
  • MANIFOLD, Engine Exhaust Manifold
    Chevrolet 12557286
    12557286
    MANIFOLD, EXHAUST
    • Location:
      Passenger Side
    • Fitting Vehicle Options:
      CK2,3(L18,MN8,M74,ML6)
  • Chevrolet 12557287
    12557287
    MANIFOLD, EXHAUST(WITHOUT AIR INJECTOR REACTOR)
    • Location:
      Driver Side
    • Fitting Vehicle Options:
      CK2,3(L18)
  • 11609746
    NUT, HEX FLANGED HEAD,M8X1.25,8.9THK,17.6 O.D.,10 STEEL,GMW3200, PREVENT TORQUE(SECONDARY AIR INJECTION PIPE)
    • Require Quantity:
      02
    • Package Quantity:
      12
    MSRP: $4.30
    $2.73
    12
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Avalanche 2500 2WD parts. Parts like Engine Assembly-Cylinder Head & 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 8.1L. Model Code: 3/4 TON.