Engine Assembly-Cylinder Block & Related Parts fit your 2003 Chevrolet Express 2500 4WD

Currently shopping for

2003 Chevrolet Express 2500 4WD

Change Vehicle

Vehicle Options

4-Speed Automatic Transmission, 4L60-E, Electronic; Van 3/4 Ton Cargo Express

Vehicle Options

4-Speed Automatic Transmission, 4L60-E, Electronic; Van 3/4 Ton Cargo Express

Categories Close X

Currently selected

Engine

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

Transfer Case

Transmission

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

89060436
SEAL KIT, Engine Rear Main Bearing, SEAL KIT,CRANKSHAFT REAR OIL(PART OF 518)(REVERSE LIP SEAL,INCLUDE INSTRUCTION SHEET)
$34.84 $22.14
1
Add To Cart

BOLT, Engine Main Bearing Cap
12560272
BOLT, CRANKSHAFT BEARING CAP(M10X2X102.5)
Fitting Vehicle Options: GH1,2(LM7,M30)
Require Quantity: 10
Package Quantity: 10
$7.39 $4.69
10
Add To Cart
12556127
BOLT, CRANKSHAFT BEARING CAP(M8X1.25X24)
- Fitting Vehicle Options: GH1,2(LM7)
- Require Quantity: 10
- Package Quantity: 1
$5.21 $3.15
1
Add To Cart

12677836
SENSOR, Engine Oil Pressure/Temperature, SENSOR,ENGINE OIL PRESSURE(MATING CONNECT W/LEADS USE 88988301)
$101.82 $51.32
1
Add To Cart

12639249
GASKET, Engine Rear Main Bearing, GASKET,CRANKSHAFT REAR OIL SEAL HOUSING(PART OF 518)
$60.16 $40.32
1
Add To Cart

89017573
BEARING KIT, Engine Connecting Rod, BEARING KIT,CONNECT ROD(STD)
- Require Quantity: 08
- Package Quantity: 1
$24.65 $14.89
1
Add To Cart

PLUG, Engine Oil Distribution
12573460
PLUG, ENGINE BLOCK OIL GALLERY(INCLUDES 110)(15.68MM DIAMETER)(INCLUDES O-RING SEAL(N.S.S.)
Fitting Vehicle Options: GH1,2(LM7,M30)
$11.09 $6.69
1
Add To Cart
11588949
PLUG, M16X1.5X14, 24 OUTSIDE DIAMETER, SAE 1010 STEEL, GMW3044, W/ ALUMINUM WASHER(ENGINE BLOCK OIL GALLERY)(8.973)
- Require Quantity: 02
- Package Quantity: 1
$14.20 $8.58
1
Add To Cart
11588949
PLUG, M16X1.5X14, 24 OUTSIDE DIAMETER, SAE 1010 STEEL, GMW3044, W/ ALUMINUM WASHER(ENGINE BLOCK OIL GALLERY)(8.973)
$14.20 $8.58
1
Add To Cart
11588949
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

12556127
BOLT, Engine Rear Main Bearing, BOLT,CRANKSHAFT REAR OIL SEAL HOUSING(PART OF 518)(M8X1.25X24)(0.056)
$5.21 $3.15
1
Add To Cart

12556127
BOLT, Engine Camshaft gear, BOLT,CAMSHAFT SPROCKET(M8X1.25X24)(0.056)
- Require Quantity: 03
- Package Quantity: 1
$5.21 $3.15
1
Add To Cart

12560273
STUD, Engine Main Bearing Cap, STUD,CRANKSHAFT BEARING CAP(HEX FLANGED HEAD,M10X2X23,M8X1.25X11,113.5 TOTAL LONG)
- Require Quantity: 10
- Package Quantity: 1
$10.15 $6.60
1
Add To Cart

12589016
RETAINER, Engine Camshaft, RETAINER,CAMSHAFT(INCLUDES SEAL)(USE WITH BOLT 11561455)
$36.79 $22.22
1
Add To Cart

BEARING KIT, Engine Crankshaft Main
89017571
BEARING KIT, CRANKSHAFT(#1,2,4,5)(STD)
Require Quantity: 04
Package Quantity: 1
$76.97 $48.92
1
Add To Cart
89017572
BEARING KIT, CRANKSHAFT THRUST(STD)(#3)
$69.37 $39.86
1
Add To Cart

12556582
SPROCKET, Engine Crankshaft/Timing, SPROCKET,CRANKSHAFT
$47.39 $28.63
1
Add To Cart

12646386
CHAIN, Engine Timing, CHAIN,CAMSHAFT TIMING
$93.51 $62.68
1
Add To Cart

SENSOR, Distributor (also Knock Sensor)

12560228
SENSOR, CRANKSHAFT POSITION(INCLUDES 702)(MATING CONNECT W/LEADS USE 88986451)
$117.48 $65.50
1
Add To Cart
19420372
SENSOR, CAMSHAFT POSITION(INCLUDES 704)
- Replaced By: 19420911
$123.83 $59.64
1
Add To Cart

12576407
SPROCKET, Engine Camshaft, SPROCKET,CAMSHAFT
$59.89 $34.42
1
Add To Cart

19300488
BALANCER, Engine Crankshaft And Camshaft Balancer, BALANCER,CRANKSHAFT(0.666)
$185.36 $106.50
1
Add To Cart

11610158
BOLT, Engine Connecting Rod Cap, BOLT,CONNECT ROD(PART OF 105)(MJ9X1X43)
- Require Quantity: 16
- Package Quantity: 1
$18.70 $11.89
1
Add To Cart

12568734
ROD, Engine Piston, ROD,CONNECT(INCLUDES 102,103)
- Require Quantity: 08
- Package Quantity: 1

12554553
PIN, Engine Camshaft gear, PIN,CAMSHAFT SPROCKET LOCATING(1/4X5/8)
$9.62 $5.82
1
Add To Cart

12570326
PIN, Engine Cylinder Head, PIN,CYL HEAD LOCATING
- Require Quantity: 04
- Package Quantity: 1
$7.39 $4.46
1
Add To Cart

BEARING, Engine Camshaft & Balance Shaft Front
19167383
BEARING, CAMSHAFT(USED WITH ENGINE BLOCK CAM BORE DIAMETER OF 59.65 MM IN POSTIONS 1,5)(FOR 1ST DESIGN SEE 12453167)
Require Quantity: 02
Package Quantity: 1
$6.78 $4.27
1
Add To Cart
12453168
BEARING, CAMSHAFT(USED WITH ENGINE BLOCK CAM BORE DIAMETER OF 58.90 MM IN POSITIONS 2,4)(FOR 2ND DESIGN SEE 12456367)
- Require Quantity: 02
- Package Quantity: 1
$64.21 $51.38
1
Add To Cart
19167382
BEARING, CAMSHAFT(USED WITH ENGINE BLOCK CAM DIAMETER OF 59.15 MM IN POSITIONS 1,5)(FOR 2ND DESIGN SEE 89017466)
- Require Quantity: 02
- Package Quantity: 1
$4.98 $3.16
19167382
BEARING, CAMSHAFT(USED WITH ENGINE BLOCK CAM BORE DIAMETER 59.15 MM IN POSITIONS 2,4)(FOR 1ST DESIGN 12453168)
- Require Quantity: 02
- Package Quantity: 1
$4.98 $3.16

12560967
CAMSHAFT, Engine, CAMSHAFT,ENGINE
$760.85 $437.16
1
Add To Cart

12654640
PLATE, Engine Crankshaft, PLATE,AUTOMATIC TRANSMISSION FLEXIBLE(USE W/QTY 3 OF BOLT 24503068)
$216.13 $124.19
1
Add To Cart

RING KIT, Engine Piston
12670787
RING KIT, PISTON(STD)
Require Quantity: 08
Package Quantity: 1
$70.96 $40.77
1
Add To Cart
12670788
RING KIT, PISTON(0.5MM OVERSIZE)
- Require Quantity: 08
- Package Quantity: 1
$99.71 $40.10
1
Add To Cart

12561513
KEY, Engine Crankshaft Pulley and Balancer, KEY,CRANKSHAFT BALANCER(4.8MMX37.5MM)
$7.38 $4.69
1
Add To Cart

PISTON, Engine Piston
88894397
PISTON, (W/PINION)(INCLUDES 106)(STD)
Require Quantity: 08
Package Quantity: 1
88894398
PISTON, (W/PINION)(INCLUDES 106)(0.5MM OVERSIZE)
- Require Quantity: 08
- Package Quantity: 1

12557840
BOLT, Engine Crankshaft Pulley and Balancer, BOLT,CRANKSHAFT BALANCER(M16X2.0X103)
$9.21 $5.29
1
Add To Cart

12639250
HOUSING, Engine Rear Main Bearing, HOUSING,CRANKSHAFT REAR OIL SEAL(INCLUDES BOLT,HOUSING,SEAL,GASKET)(INCLUDES 141,517,519)
$98.60 $56.65
1
Add To Cart

19333512
SEALANT, Maintenance Products, SEALANT,THREAD(VIBRA-TITE 420)(1.69 OUNCE(OIL PAN AT FOUR CORNER)
$27.29 $15.21
1
Add To Cart

12559357
CRANKSHAFT, Engine, CRANKSHAFT

19167218
BEARING, BEARING,CAMSHAFT

11515756
BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(CAMSHAFT RETAINER)
- Require Quantity: 04
- Package Quantity: 10
$7.50 $4.53
10
Add To Cart

11515756
BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(BOLT,CRANKSHAFT POSITION SENSOR)
$7.50 $4.53
10
Add To Cart

11515756
BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(CAMSHAFT POSITION SENSOR)
$7.50 $4.53
10
Add To Cart

1453658
PIN, DOWEL STRAIGHT 5/8 DIAMETER 1 3/16 LG(TRANS LOCATING)
- Require Quantity: 02
- Package Quantity: 1
- Replaced By: 12720455
$7.40 $4.69
1
Add To Cart

9427693
PLUG, CUP 5/8, CORROSION RESISTANT STEEL(ENGINE BLOCK OIL GALLERY)(1.531)
$7.20 $4.57
1
Add To Cart

11611351
PLUG, HEXAGON, M28X1.25X13, 10.9 STEEL,GMW3044, INTAKE DRIVER W/THREAD SEAL(LEFT SIDE ONLY)
$23.11 $13.96
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Express 2500 4WD parts. Parts like Engine Assembly-Cylinder Block & 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: 3/4 TON CARGO EXPRESS.