My Garage
My Account
Cart
Engine Assembly fit your 1983 Buick Century
Currently shopping for
1983 Buick Century
Change VehicleVehicle Options
3-Speed Automatic Transmission, THM125C/3T40Vehicle Options
3-Speed Automatic Transmission, THM125C/3T40Categories Close X
Currently selected
Other Categories
Body Moldings, Sheet Metal, Rear Compartment Hardware, Roof Hardware
Body Mounting, Air Conditioning, Audio/Entertainment
Body Wiring, Roof Trim
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cooling System, Grille, Oil System
Frames, Springs, Shocks, Bumpers, Fascias
Front End Sheet Metal, Heater
Front Suspension, Steering
Fuel System, Exhaust, Emission System
Interior Trim, Front Seat Trim, Seat Belts
Maintenance Parts, Fluids, Capacities, Electrical Connectors
Rear Glass, Seat Parts, Adjuster
Starter, Generator, Ignition, Electrical, Lamps
Transmission - Automatic
Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors
Parts Questions
Sort by:
Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
- PIN, Engine Clutch Housing or Transmission
- SEALANT, Maintenance Products
- BOLT, Starter Motor
- BOLT, Intake & Exhaust Manifold
$15.83 $10.0610
- FILTER, Engine Oil Filter
- GASKET, Engine Oil Pan Drain Plug
- SENSOR, Computer Control Sensors
- BOLT, Engine Connecting Rod Cap
- THERMOSTAT, Engine Coolant Temperature
$19.72 $10.851 - $19.72 $10.851
- $19.72 $10.851
$40.52 $22.58
$7.38 $4.691
$12.44 $8.3210
- GROMMET, Engine Crankcase
- STUD, Engine Front Cover
10182334
STUD, Engine Coolant, STUD, COOLANT OUTLET TO INTAKE MANIFOLD-OTBD (0.206)(M8 X 1.25 X 18 X 37.5)(EXCEPT NB9 OR WK6)$17.68 $11.895
- SPARKPLUG,Glow)
25518880
CLAMP, Fuel Line, CLAMP,HEXAGON HEAD,WORM GEAR,.250-.625,.320 WIDE,STAINLESS STEEL(AS REQUIRED)(8.948)$3.91 $2.455
$124.93 $44.981
- VALVE, Engine Crankcase
- GASKET, Engine Camshaft & Valve Rocker Cover
$3.60 $2.011
- PLUG, Plug Threaded
$17.94 $11.691
- COVER, Engine Front Cover
- VALVE, Emission Control System
- SWITCH, Engine Oil Pressure/Temperature
- PLUG, Engine Oil Pan Drain
10045775
SENSOR, Fuel Pump Pressure, SENSOR, FUEL PUMP SWITCH & ENGINE OIL PRESSURE (W/GAGE)(1.800) (1983-87)- Replaced By: 19244934
$90.02 $32.611
$6.30 $4.005
$2.27 $0.921
- LIFTER, Engine Valve Lifter
19244935
SENDER, Engine Oil Pressure/Temperature, SENDER,OIL PRESSURE GAGE(1/8-27 THREAD,80 PSI,1 BLADE TERMINAL)$139.40 $62.951
- VALVE, Engine Oil Filter
- SWITCH, Throttle Control
$7.02 $4.461
- FILTER, Engine Fuel Filter
- SWITCH, Coolant Temperature (Engine Unit)
- PULLEY, Fan and Coolant Pump
$10.831
$13.051
$11.13 $5.011
- ROD, Engine Valve Push Rod
- VALVE, Intake
- GASKET, Manifold to Cylinder Head
$58.79 $29.151
- CAMSHAFT, Engine
$24.87 $15.811
- RING KIT, Engine Piston
- STUD, Intake & Exhaust Manifold
- CAP, Engine Valve Spring
- $189.12 $93.771
- GASKET, Engine Front Cover
- BOLT, Engine Cylinder Head
- BOLT, Engine Main Bearing Cap
$40.12 $19.891
$119.95 $59.481
$3.92 $2.505
- SEAL, Engine Front Cover & Crankshaft Seal
$7.67 $5.341
$39.74 $18.391
$9.57 $4.481
- SEAL, Engine Valve
- WIRE, Spark Plug or Coil
- BEARING, Engine Camshaft & Balance Shaft Front
- BEARING KIT, Engine Crankshaft Main
$49.78 $31.631 
$34.75 $18.141
$24.60 $13.051
$34.07 $21.661
12338010
STUD, Engine Cylinder Head, STUD,CYL HEAD(HEXAGON DOUBLE END,M11X1.5X100&M10X1.5X18,11.9 STEEL)(1984)$3.94 $2.511
$28.51 $18.121
$131.54 $65.231
- COIL, Ignition Coil
$117.34 $55.851 
$79.56 $39.451
$71.76 $45.631
$23.71 $15.071
- STUD, Engine Coolant Pump
$13.051
$6.58 $4.181
$6.91 $4.381
$14.851
$72.03 $50.411
- SPRING, Engine Valve
- SWITCH, Thermo Vacuum
$18.11 $8.341
$5.47 $3.4810
$35.33 $21.191
- $18.18 $13.051
$5.82 $3.701
$7.23 $6.751
$10.63 $6.761
$9.79 $6.211
- GLOW PLUG,Glow)
$18.58 $10.361
$24.07 $15.301
$5.46 $3.471
- BEARING, Engine Oil Pump
- SHIM, Starter Motor
- GASKET, Engine Coolant Pump
- GUIDE, Engine Valve Push Rod Cover
- SEAL, Air Cleaner and Silencer
- SPRING, Accelerator Return Spring
10028646
BRACKET, Ignition Coil Mounting, BRACKET, IGNITION CABLE HARNESS (EXHAUST & REAR SIDE OF COVER)(1984)
- TUBE, Air Cleaner Intake
- HUB, Engine Crankshaft And Camshaft Balancer
- KEY, Engine Crankshaft Pulley And Balancer
- TUBE, Engine Oil Level
- VALVE, Exhaust
- PLUG, Engine Camshaft & Balance Shaft Hole
- COVER, Engine Valve Push Rod Cover
- ROD, Engine Piston
- FLYWHEEL, Engine Crankshaft
- CRANKSHAFT, Engine
- STUD, Engine Valve Adjusting
- PAN, Engine Oil
- STUD, Engine Main Bearing Cap
- ARM, Engine Valve Rocker
- GASKET, Emission System
- WASHER
- GASKET KIT, Manifold to Cylinder Head
- 12337246
COVER KIT, Engine Front Cover, COVER KIT,ENGINE FRONT(INCLUDE GASKETS,PACKING,SHEDDER)(1982-84)
- HEAD, Engine Cylinder
12346141
SEALER, Maintenance Products, SEALER, ROOM TEMPERATURE VULCANIZING T-330,3 OUNCE. CARTRIDGE(AS REQUIRED)
- PUMP KIT, Engine Coolant
- CAP, Engine Oil Filler
- BOLT
- STARTER, Starter Motor
- SEAL, Fuel Injector Pump
- BOLT, Engine Oil Pump
- PLUG, Engine Block
- PACKING, Engine Rear Main Bearing
- REGULATOR, Engine Crankcase
- CLEANER, Air Intake
- BOLT, Engine Front Cover
- GASKET, Engine Oil Pump Cover
- SWITCH, Engine Air Cooling(Electrical)
- PUMP, Fuel Pump
$11.18 $7.1140
11516802
BOLT/SCREW, HEXAGON W/CONICAL WASHER,M8X1.5X23,18 THREAD,17 OUTSIDE DIAMETER,9.8,7114M,MACHINE,4MM DOG POINT(AS REQUIRED)$13.051
- $5.46 $3.471
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1983 Buick Century parts. Parts like Engine Assembly are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 4.3L Diesel. Model Code: CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR.