Engine Assembly-Block & Related Parts fit your 2003 Chevrolet Astro 2WD

Currently shopping for

2003 Chevrolet Astro 2WD

Change Vehicle

Vehicle Options

6 Cyl 4.3L MFI, 90 DEG; 4-Speed Automatic Transmission, 4L60-E, Electronic

Vehicle Options

6 Cyl 4.3L MFI, 90 DEG; 4-Speed Automatic Transmission, 4L60-E, Electronic

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, 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 - Automatic

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

14088764
BOLT, Engine Flywheel, BOLT,FLYWHEEL(7/16-20 X 45/64)(0.685)
- Require Quantity: 06
- Package Quantity: 10
$3.68 $2.34
10
Add To Cart

10224885
BALANCER, Engine Crankshaft And Camshaft Balancer, BALANCER,CRANKSHAFT(EXTERNAL)
$106.52 $61.22
1
Add To Cart

12555771
GASKET, Engine Rear Main Bearing, GASKET,CRANKSHAFT REAR OIL SEAL HOUSING
$10.96 $6.96
1
Add To Cart

10105912
BOLT, Engine Camshaft, BOLT,CAMSHAFT RETAINER(1/4-20X5/8,7/16 THICK)(FLAT)
- Require Quantity: 02
- Package Quantity: 10
$5.69 $3.61
10
Add To Cart

12618626
BEARING KIT, Engine Crankshaft And Camshaft Balancer, BEARING KIT,BALANCER SHAFT(SLEEVE BEARING)(INCLUDES REAR BEARING,INSTRUCTION SHEET & SPACER)
$79.72 $50.67
1
Add To Cart

21024981
SENSOR, Distributor (also Knock Sensor), SENSOR,KNOCK(STAMPED SIEMENS 21024981 OR 12570176)(MATING CONNECT W/LEADS USE 12085491)
$58.47 $30.98
1
Add To Cart

3866766
NUT, Engine Connecting Rod Bolt, NUT,CONNECT ROD(PART OF 3)(3/8-24)(HEXAGON)
- Require Quantity: 12
- Package Quantity: 10
$2.88 $1.83
10
Add To Cart

BOLT, Engine Crankshaft And Camshaft Balancer
14093637
BOLT, BALANCE SHAFT RETAINER(1/4-20X1/2, 15/32OD)(HEXAGON SOCKET TORX)(0.529)
Require Quantity: 02
Package Quantity: 10
$2.37 $1.49
10
Add To Cart
10105920
BOLT, BALANCE SHAFT GEAR(SPECIAL TORX DRIVE)
- Require Quantity: 06
- Package Quantity: 1
$18.28 $11.62
1
Add To Cart

BOLT, Engine Rear Main Bearing
14088561
BOLT, CRANKSHAFT REAR OIL SEAL HOUSING(1/4-20X1 7/8)
Require Quantity: 02
Package Quantity: 1
$10.32 $6.56
1
Add To Cart
14101032
BOLT, CRANKSHAFT REAR OIL SEAL HOUSING(.250-20X1.750)
$4.16 $2.64
10
Add To Cart

12458911
CHAIN KIT, Engine Timing, CHAIN KIT,TIMING(INCLUDES 25,26,40)(INCLUDES CHAIN,CRANKSHAFT SPROCKET,CAMSHAFT SPROCKET)
$81.77 $51.96
1
Add To Cart

89018163
SEAL KIT, Engine Rear Main Bearing, SEAL KIT,CRANKSHAFT REAR OIL(PART OF 52)(INCLUDES OIL SEAL,INSTRUCTION)
$42.15 $26.78
1
Add To Cart

BEARING, Engine Camshaft & Balance Shaft Front
10105908
BEARING, BALANCER SHAFT FRONT(PART OF 47)
Fitting Vehicle Options: LM1(LU3)
$65.68 $41.73
1
Add To Cart
12453171
BEARING, CAMSHAFT(#3)(FOR ENGINES STAMPED WITH "T" BELOW RH CYL HEAD)
- Fitting Vehicle Options: LM1(LU3)(EXC CV2)
$80.24 $39.79
1
Add To Cart
12453171
BEARING, CAMSHAFT(#2 & REAR)(FOR ENGINES STAMPED WITH "W" BELOW RH CYL HEAD)
- Fitting Vehicle Options: LM1(LU3)(EXC CV2)
- Require Quantity: 02
- Package Quantity: 1
$80.24 $39.79
1
Add To Cart
19301057
BEARING, CAMSHAFT(#3)(FOR ENGINES STAMPED WITH "T" BELOW RH CYL HEAD)
- Fitting Vehicle Options: LM1(LU3,CV2)(EXPORT)
$38.36 $31.28
1
Add To Cart
19301057
BEARING, CAMSHAFT(#2 & REAR)(FOR ENGINES STAMPED WITH "W" BELOW RH CYL HEAD)
- Fitting Vehicle Options: LM1(LU3,CV2)(EXPORT)
- Require Quantity: 02
- Package Quantity: 1
$38.36 $31.28
1
Add To Cart
12453170
BEARING, CAMSHAFT(#1 & REAR)(FOR ENGINES STAMPED WITH "T" BELOW RH CYL HEAD)
- Fitting Vehicle Options: LM1(LU3)
- Require Quantity: 02
- Package Quantity: 1
12453170
BEARING, CAMSHAFT(#1)(FOR ENGINES STAMPED WITH "W" BELOW RH CYL HEAD)
- Fitting Vehicle Options: LM1(LU3)
12453172
BEARING, CAMSHAFT(#2)(FOR ENGINES STAMPED WITH "T" BELOW RH CYL HEAD)
- Fitting Vehicle Options: LM1(LU3)(EXC CV2)
12453172
BEARING, CAMSHAFT(#3)(FOR ENGINES STAMPED WITH "W" BELOW RH CYL HEAD)
- Fitting Vehicle Options: LM1(LU3)(EXC CV2)

10230149
RING, Distributor (also Knock Sensor), RING,CRANKSHAFT POSITION SENSOR EXCITOR
$21.13 $12.76
1
Add To Cart

12555637
CRANKSHAFT, Engine, CRANKSHAFT
$815.92 $513.90
1
Add To Cart

12561388
BOLT, Engine Main Bearing Cap, BOLT,CRANKSHAFT BEARING CAP(7/16-14X3.34)
- Require Quantity: 08
- Package Quantity: 1
$10.64 $6.75
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

12595923
HOUSING, Engine Rear Main Bearing, HOUSING,CRANKSHAFT REAR OIL SEAL(INCLUDES 54,58)
$134.37 $77.20
1
Add To Cart

PLUG, Engine Oil Distribution
14091563
PLUG, ENGINE BLOCK OIL GALLERY(CUP 15/32 X 5/16)
Location: Passenger Side
Require Quantity: 04
Package Quantity: 1
$4.03 $2.56
1
Add To Cart
24504119
PLUG, ENGINE BLOCK OIL GALLERY(10.16 O.D X 4.95)(STEEL)(0.034)
- Require Quantity: 02
- Package Quantity: 1
$7.01 $4.46
1
Add To Cart

BEARING KIT, Engine Crankshaft Main

89060460
BEARING KIT, CRANKSHAFT(0.001 US)(INCLUDES 15,16,21,22)(THRUST)
$79.66 $48.12
1
Add To Cart
19256449
BEARING KIT, CRANKSHAFT(#1,2,3)(INCLUDES 15,16,21,22)
- Require Quantity: 03
- Package Quantity: 1
$58.01 $36.86
1
Add To Cart

PLUG, Engine Block
94673017
PLUG, ENGINE BLOCK CORE HOLE
Require Quantity: 08
Package Quantity: 1
$7.02 $4.46
1
Add To Cart
24504119
PLUG, ENGINE BLOCK COOLANT DRAIN HOLE(REAR)(10.16 O.D X 4.95)(STEEL)
- Require Quantity: 02
- Package Quantity: 1
$7.01 $4.46
1
Add To Cart

10046031
PIN, Engine Flywheel, PIN,FLYWHEEL LOCATING(DOWEL)(3.686)
$5.90 $3.75
5
Add To Cart

10105915
RETAINER, Engine Crankshaft And Camshaft Balancer, RETAINER,BALANCER SHAFT
$15.30 $9.72
1
Add To Cart

10144059
RETAINER, Engine Camshaft, RETAINER,CAMSHAFT
$29.52 $18.77
1
Add To Cart

STUD, Engine Rear Main Bearing
10218027
STUD, CRANKSHAFT REAR OIL SEAL RETAINER(PART OF 52)(5/16-18X39/64)
Require Quantity: 02
Package Quantity: 1
$6.96 $4.43
1
Add To Cart
12555770
STUD, CRANKSHAFT REAR OIL SEAL RETAINER(PART OF 52)(1/4-20X34)
$15.55 $9.88
1
Add To Cart
12555770
STUD, CRANKSHAFT REAR OIL SEAL RETAINER(1/4-20X34)
$15.55 $9.88
1
Add To Cart

10225009
BOLT, Engine Connecting Rod Cap, BOLT,CONNECT ROD(PART OF 3)(3/8-24 X 1 1/2)
- Require Quantity: 12
- Package Quantity: 1
$5.77 $4.68
1
Add To Cart

12513234
GEAR KIT, Engine Crankshaft And Camshaft Balancer, GEAR KIT,BALANCER SHAFT(INCLUDES 39,43)(INCLUDES DRIVE & DRIVEN GEAR)
$125.64 $79.85
1
Add To Cart

RING KIT, Engine Piston
12522848
RING KIT, PISTON(STD)
Require Quantity: 06
Package Quantity: 1
$87.83 $43.55
1
Add To Cart
12524205
RING KIT, PISTON(0.5 MM OVERSIZE)
- Require Quantity: 06
- Package Quantity: 1
$71.47 $45.43
1
Add To Cart

12703806
CAMSHAFT, Engine, CAMSHAFT,ENGINE(INCLUDES 36)(INCLUDES CAMSHAFT SPROCKET PINION)
$527.85 $333.98
1
Add To Cart

19256448
BEARING KIT, Engine Connecting Rod, BEARING KIT,CONNECT ROD(STD)
- Require Quantity: 06
- Package Quantity: 1
$25.08 $15.15
1
Add To Cart

19417972
SHAFT, Engine Crankshaft And Camshaft Balancer, SHAFT,BALANCE(INCLUDES 46)(INTERNAL-BALANCER)(REMANUFACTURED-NOT FOR SALE WHERE IMPORTS ARE RESTRICTED)
$650.30 $407.73
1
Add To Cart

PISTON, Engine Piston
88894280
PISTON, (W/PINION)(STD)
Require Quantity: 06
Package Quantity: 1
$164.59 $104.61
1
Add To Cart
88894281
PISTON, (W/PINION)(0.127MM OVERSIZE)
- Require Quantity: 06
- Package Quantity: 1
$190.38 $94.40
1
Add To Cart

93443044
ROD, Engine Piston, ROD,CONNECT(INCLUDES 4,6,7)
- Require Quantity: 06
- Package Quantity: 1
$172.40 $109.56
1
Add To Cart

12557587
FLYWHEEL, Engine Crankshaft, FLYWHEEL,ENGINE

88894282
PISTON KIT, Engine Piston, PISTON KIT,ENGINE(0.5MM OVERSIZE)
- Require Quantity: 06
- Package Quantity: 1

10108645
NUT, HEX FLANGED HEAD,1/4-20X.26,.525 OUTSIDE DIAMETER,284M,PHOSPHATE ELECTRO-ORGANIC(CRANKSHAFT FRONT OIL SEAL)
$7.50 $4.76
10
Add To Cart

9419033
BOLT, HEXAGON, 5/16-18 X 1 3/8(CAMSHAFT SPROCKET)
$10.35 $6.58
1
Add To Cart

9440024
BOLT, 7/16 -20 X 2 1/4"(CRANKSHAFT BALANCER)
$4.91 $3.12
10
Add To Cart

10241154
PLUG, EXPANSION,2.1 O.D.,CROSS STEEL, ZINC(CAMSHAFT REAR BEARING HOLE)
$4.30 $2.73
5
Add To Cart

10241154
PLUG, EXPANSION,2.1 O.D.,CROSS STEEL, ZINC(BALANCER SHAFT REAR BEARING HOLE)
$4.30 $2.73
5
Add To Cart

12594364
WASHER, FLAT, 0.45" INSIDE DIAMETER, 1.75" OUTSIDE DIAMETER, 0.31" THICK, SAE 1010 STEEL, GMW3044(CRANKSHAFT BALANCER)
$23.13 $14.71
1
Add To Cart

14090911
PLUG, DRY SEAL (3/8-18X.42)(LH REAR)
$7.51 $4.77
1
Add To Cart

274584
PIN, GROOVE/F/.312X.375 CADMIUM OR ZINC PLATED (OPT); 0.375" LENGTH(CRANKSHAFT BALANCER)
$2.31 $1.46
1
Add To Cart

9440046
HEX, HEX FLANGED HEAD,5/16-18 X .281 286M 120K PSI PHOSPHATE ELECTRIC ORG(OIL PAN)
- Require Quantity: 02
- Package Quantity: 1
$13.05
1
Add To Cart

9441003
PIN, SPRING TYPE S 7/16X9/16 STEEL ZINC COATED (DIPPED OR PLATED)(CRANKSHAFT REAR OIL SEAL HOUSING LOCATING)
$3.46 $2.20
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Chevrolet Astro 2WD parts. Parts like Engine Assembly-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. Model Code: VAN ASTRO.