Engine Assembly-Front Cover & Cooling fit your 2003 Chevrolet Trailblazer EXT 4WD

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2003 Chevrolet Trailblazer EXT 4WD

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Vehicle Options

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

Vehicle Options

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

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Engine

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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

Transfer Case

Transmission - Automatic

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

12585673
SEAL, Engine Front Cover & Crankshaft Seal, SEAL,CRANKSHAFT FRONT OIL(PART OF 10)
$45.94 $15.04
1
Add To Cart

12608814
SENSOR, Computer Control Sensors, SENSOR,ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT USE 88987993)(2WAY FEMALE)(1.150)
$57.90 $30.69
1
Add To Cart

12608814
SENSOR, Coolant Temperature (Engine Unit), SENSOR,ENGINE COOLANT TEMPERATURE(2-WAY MALE)(MATING CONNECT USE 88987993)(2WAY FEMALE)
$57.90 $30.69
1
Add To Cart

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
$12.59 $2.96
1
Add To Cart

12633904
GASKET, Engine Front Cover, GASKET,ENGINE FRONT COVER(PART OF 10)
$47.74 $28.86
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
$7.63 $4.60
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
$12.52 $7.57
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.)
$78.51 $37.37
1
Add To Cart

BOLT, Engine Coolant Pump
12551926
BOLT, WATER PUMP(M8X1.25X83)
Require Quantity: 06
Package Quantity: 1
$10.10 $6.58
1
Add To Cart
11516480
BOLT, WATER PUMP COVER(M6X1X25-10MM SOCKET)
$12.60
1
Add To Cart
11516480
BOLT, WATER PUMP INLET(PART OF 17)(M6X1X25-10MM SOCKET)
$12.60
1
Add To Cart

12570528
HOSE, Engine Coolant By-Pass, HOSE,ENGINE COOLANT AIR BLEED(PART OF 5)
$25.60 $21.56
1
Add To Cart

12602540
COVER, Engine Coolant By-Pass, COVER,ENGINE COOLANT AIR BLEED PIPE HOLE(INCLUDES 6)(INCLUDE SEALS)
- Require Quantity: 02
- Package Quantity: 1
$38.06 $21.22
1
Add To Cart

SEAL, Engine Coolant Pump
12561155
SEAL, WATER PUMP(PART OF 20)
Fitting Vehicle Options: ST158(06)(LM4)
$35.08 $18.59
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)
$14.20 $8.58
1
Add To Cart

12561243
COVER, Engine Front Cover, COVER,ENGINE FRONT(INCLUDES 9,11,13)(INCLUDES COVER,SEAL,GASKET,BOLT)
- Replaced By: 12633906
$175.87 $101.05
1
Add To Cart

12703898
PUMP KIT, Engine Coolant, PUMP KIT,WATER(INCLUDES 12,21)
$349.50 $176.13
1
Add To Cart

12561663
PLUG, Engine Block, PLUG,ENGINE BLOCK COOLANT DRAIN HOLE(M28X1.25X12.4, BRASS)
- Require Quantity: 02
- Package Quantity: 1
$21.45 $12.96
1
Add To Cart

12604711
PIPE, Engine Coolant By-Pass, PIPE,ENGINE COOLANT AIR BLEED(INCLUDES 2,3,6)

11588714
BOLT, HEX FLANGED HEAD,M6X1X30,22.7 THREAD,14.2 OUTSIDE DIAMETER,8.8,GMW3359, M-POINT.
- Require Quantity: 04
- Package Quantity: 1
$9.71 $6.18
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
$1.86 $1.12
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
$8.19 $4.95
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Trailblazer EXT 4WD 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.