Engine Assembly-Front Cover & Cooling fit your 2003 Chevrolet Trailblazer EXT 2WD

My Vehicle Change Vehicle
2003 Chevrolet Trailblazer EXT 2WD

4-Speed Automatic Transmission, 4L60-E, Electronic; Trailblazer 4 Door EXT

My Vehicle Change Vehicle
2003 Chevrolet Trailblazer EXT 2WD

4-Speed Automatic Transmission, 4L60-E, Electronic; Trailblazer 4 Door EXT

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
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
Sort by:
Recommended
Part No. & Part Description
Price
Part No. &
Part Description
  • 12630223
    GASKET, Engine Coolant Pump, GASKET,WATER PUMP(2 OBLONG & 1 ROUND MOUNTING HOLES, AT PUMP MANIFOLD)(PART OF 17)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: $10.21
    $5.20
    1
    Add To Cart
  • SEAL, Engine Coolant By-Pass
    12602541
    SEAL, ENGINE COOLANT AIR BLEED PIPE (O RING)(SINGLE TYPE ONE HOLE O-RING)(PART OF 4,5)
    • Fitting Vehicle Options:
      ST1(LM4,M30)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: $7.44
    $4.48
    1
    Add To Cart
  • 12551933
    SEAL, ENGINE COOLANT AIR BLEED PIPE (O RING)(FLAT TYPE-TWO-HOLE SEAL-SEAL HAS METAL CARRIER)(PART OF 4,5)
    • Fitting Vehicle Options:
      ST1(LM4)
    • Require Quantity:
      04
    • Package Quantity:
      1
    MSRP: $12.19
    $7.37
    1
    Add To Cart
  • 12571261
    INLET, Engine Coolant Pump, INLET,WATER PUMP(USED ON PUMPS WITH CASTING #12562459)(INCLUDES 18,19)(INCLUDES INLET,SEAL,THERM0STAT,VALVE,RETAINER)(IF WATER PUMP HAS BEEN REPLACED BY 2004 OR NEWER PUMP, MUST ALSO USE -2004 OR NEWER INLET.)
    MSRP: $76.45
    $36.40
    1
    Add To Cart
  • BOLT, Engine Coolant Pump
    12551926
    BOLT, WATER PUMP(M8X1.25X83)
    • Require Quantity:
      06
    • Package Quantity:
      1
    MSRP: $9.58
    $6.09
    1
    Add To Cart
  • 11516480
    BOLT, WATER PUMP COVER(M6X1X25-10MM SOCKET)
    MSRP: --
    $12.60
    1
    Add To Cart
  • 11516480
    BOLT, WATER PUMP INLET(PART OF 17)(M6X1X25-10MM SOCKET)
    MSRP: --
    $12.60
    1
    Add To Cart
  • SEAL, Engine Coolant Pump
    12561155
    SEAL, WATER PUMP(PART OF 20)
    • Fitting Vehicle Options:
      ST158(06)(LM4)
    MSRP: $34.16
    $19.04
    1
    Add To Cart
  • 12551905
    SEAL, WATER PUMP COVER(O RING)(WATER PUMP BACKPLATE)
    • Fitting Vehicle Options:
      ST1(LM4)
  • 12551905
    SEAL, WATER PUMP COVER(O RING)
    • Fitting Vehicle Options:
      ST1(06)(LM4)
  • 11588949
    PLUG, Engine Oil Distribution, PLUG, M16X1.5X14, 24 OUTSIDE DIAMETER, SAE 1010 STEEL, GMW3044, W/ ALUMINUM WASHER(ENGINE BLOCK COOLANT DRAIN HOLE)(8.973)
    MSRP: $14.20
    $9.02
    1
    Add To Cart
  • 12561663
    PLUG, Engine Block, PLUG,ENGINE BLOCK COOLANT DRAIN HOLE(M28X1.25X12.4, BRASS)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: $21.45
    $13.64
    1
    Add To Cart
  • 11588714
    BOLT, HEX FLANGED HEAD,M6X1X30,22.7 THREAD,14.2 OUTSIDE DIAMETER,8.8,GMW3359, M-POINT.
    • Require Quantity:
      04
    • Package Quantity:
      1
    MSRP: $8.80
    $5.60
    1
    Add To Cart
  • 11515758
    BOLT, HEX FLANGED HEAD,M8X1.25X30,28THD,18 O.D.,MACHINE POINT,10.9,7114M(PART OF 10)
    • Require Quantity:
      08
    • Package Quantity:
      10
    MSRP: $1.81
    $1.15
    10
    Add To Cart
  • 25526358
    CLAMP, SPRG BAND,14.2MM,9/16 OUTSIDE DIAMETER HOSE,PHOSPHATE ORGANIC(PART OF 5)
    • Require Quantity:
      02
    • Package Quantity:
      1
    MSRP: $7.98
    $5.07
    1
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Trailblazer EXT 2WD parts. Parts like Engine Assembly-Front Cover & Cooling are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.2L, 8 Cyl 5.3L. Model Code: 4 DOOR EXT.