Engine Assembly fit your 1983 Buick Century

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1983 Buick Century
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Vehicle Options
3-Speed Automatic Transmission, THM125C/3T40
Vehicle Options
3-Speed Automatic Transmission, THM125C/3T40
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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
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
Categories 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
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
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • PIN, Engine Clutch Housing or Transmission
    12338076
    PIN, TRANS LINE UP
    $1.78 $1.13
    1
    Add To Cart
  • 12338076
    PIN, CYL BLOCK TO FLYWHEEL HOUSING
    $1.78 $1.13
    1
    Add To Cart
  • SEALANT, Maintenance Products
    Buick 19333510
    19333510
    SEALANT, GASKET MAKER (VIBRA-TITE 730)(1.69 OUNCE)(AS REQUIRED)
    $35.84 $19.98
    1
    Add To Cart
  • 12378521
    SEALANT, ROOM TEMPERATURE VULCANIZING ENGINE SILICONE 5.3OZ CART(AS REQUIRED)
  • BOLT, Starter Motor
    11610633
    BOLT, START MOTOR (M10X1.5X114)
    $9.60 $5.09
    1
    Add To Cart
  • 11610633
    BOLT, START MOTOR INBOARD (M10 X 114)
    $9.60 $5.09
    1
    Add To Cart
  • Buick 14001842
    14001842
    BOLT, START MOTOR (M10X1.5X46)
  • Buick 14001842
    14001842
    BOLT, START MOTOR OUTBOARD (M10 X 46)
  • BOLT, Intake & Exhaust Manifold
    11515758
    BOLT, MANIFOLD TO HEAD (M8 X 1.25 X 30)
    $1.86 $1.12
    10
    Add To Cart
  • 11515758
    BOLT, INTAKE MANIFOLD TO HEAD(M8X1.25X30)(1983-84)
    $1.86 $1.12
    10
    Add To Cart
  • Buick 88891769
    88891769
    BOLT, MANIFOLD (3/8"-16X37MM 275M)(#5,10)
    $13.05
    1
    Add To Cart
  • Buick 10005244
    10005244
    BOLT, MANIFOLD (M10 X 1.5 X 85)(1982)
  • FILTER, Engine Oil Filter
    19210286
    FILTER, OIL (PF51)
    $8.54 $4.76
    1
    Add To Cart
  • 19210284
    FILTER, OIL(PF47)
    • Replaced By: 12731175
    $8.76 $4.88
    1
    Add To Cart
  • 19210284
    FILTER, OIL(PF47)
    • Replaced By: 12731175
    $8.76 $4.88
    1
    Add To Cart
  • BOLT, Engine Connecting Rod Cap
    25531956
    BOLT, CONNECT ROD (3/8-24X1.68,1.18 THREAD,20R)
    $3.71 $2.36
    1
    Add To Cart
  • Buick 10000569
    10000569
    BOLT, CONNECT ROD (11/32-24X2)
  • 1470030
    CLAMP,A/C), CLAMP, WORM TYPE (.56"TO 1.06"DIAMETER)
    • Replaced By: 11610236
    $7.38 $4.69
    1
    Add To Cart
  • STUD, Engine Front Cover
    10182334
    STUD, COOLANT PUMP HEXAGON (M8 X 1.25 X 18/M8 X 1.25 X 37.5)
    $17.68 $11.89
    5
    Add To Cart
  • 14033946
    STUD, FRONT COVER TO BLOCK (M10 X 1.5 X 20-BOTH ENDS)
    $3.97 $0.87
    5
    Add To Cart
  • 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 $11.89
    5
    Add To Cart
  • 25518880
    CLAMP, Fuel Line, CLAMP,HEXAGON HEAD,WORM GEAR,.250-.625,.320 WIDE,STAINLESS STEEL(AS REQUIRED)(8.948)
    $3.91 $2.45
    5
    Add To Cart
  • VALVE, Engine Crankcase
    25041498
    VALVE, CRANKCASE VENT
    $12.60
    1
    Add To Cart
  • 6487936
    VALVE, CRANKCASE VENT
    $8.38 $5.99
    10
    Add To Cart
  • PLUG, Plug Threaded
    3921988
    PLUG, OIL PAN DRAIN
    $6.32 $2.44
    5
    Add To Cart
  • Buick 15957435
    15957435
    PLUG, HEXAGON HEAD,W/DRYSEAL,1/4-18,BRASS(AS REQUIRED)
    $2.32 $1.47
    1
    Add To Cart
  • Buick 444662
    444662
    PLUG, SQUARE SOCKET,3/8-18X.47,BRASS,NPTF(AS REQUIRED)
    $6.28 $4.20
    1
    Add To Cart
  • Buick 93439312
    93439312
    PLUG, 1/2-14 X 39/64(AS REQUIRED)(4.104)
    $41.68 $15.10
    1
    Add To Cart
  • PLUG, Engine Oil Pan Drain
    10017615
    PLUG, OIL DRAIN (M12X1.75)
    $13.05
    5
    Add To Cart
  • 10017615
    PLUG, OIL DRAIN (M12X1.75)(1982)
    $13.05
    5
    Add To Cart
  • VALVE, Engine Oil Filter
    Buick 25013767
    25013767
    VALVE, OIL FILTER BY-PASS
    $8.43 $4.69
    1
    Add To Cart
  • 25014006
    VALVE, OIL FILTER BY PASS
    $8.28 $4.62
    1
    Add To Cart
  • SWITCH, Throttle Control
    Buick 25036620
    25036620
    SWITCH, FAST IDLE SOLENOID & COLD ADVANCE(2 BLADE TERMINAL 3/8-24 UNIFIED NATIONAL FINE THREADS 2A THREAD)(1984)
    $18.75 $12.60
    1
    Add To Cart
  • Buick 25036597
    25036597
    SWITCH, FAST IDLE SOLENOID & COLD ADVANCE (1982-83)
  • COVER, Engine Valve Push Rod Cover
    Buick 10037163
    10037163
    COVER, PUSH ROD (1984-87)
    $10.16 $4.90
    1
    Add To Cart
  • Buick 93423830
    93423830
    COVER, PUSH ROD(USE W/10021542 GASKET)(1982-83)
  • STUD, Engine Cylinder Head
    Buick 12338010
    12338010
    STUD, CYL HEAD(HEXAGON DOUBLE END,M11X1.5X100&M10X1.5X18,11.9 STEEL)(1984)
    $3.94 $2.51
    1
    Add To Cart
  • Buick 10101701
    10101701
    STUD, CYL HEAD (M11X1.5X72)(1982-83)
  • BOLT, Engine Cylinder Head
    Buick 10101702
    10101702
    BOLT, HEXAGON (M11 X 1.5 X 70)
    $13.05
    1
    Add To Cart
  • Buick 12337818
    12337818
    BOLT, HEXAGON (M11 x 1.5 x 100)
    $4.46 $2.82
    1
    Add To Cart
  • Buick 25525860
    25525860
    BOLT, CYL HEAD (7/16"-14 X 3.50")
    $13.05
    1
    Add To Cart
  • Buick 25525861
    25525861
    BOLT, CYL HEAD(7/16-14X2.69)
    $13.05
    1
    Add To Cart
  • Buick 22515535
    22515535
    BOLT, HEAD-HEXAGON (M14 X 87.0 X M12 STUD)(1982-84 EXCEPT WK6)
  • Buick 22515536
    22515536
    BOLT, HEAD-HEXAGON (M14 X 2.0 X 117.0)
  • 22515537
    BOLT, HEAD-HEXAGON (M14 X 117.0 X M10 STUD)
  • 22527218
    BOLT, HEAD-TORQUE (M10 X 1.5 X 47.0)(75.0)
  • BOLT, Engine Main Bearing Cap
    Buick 10101702
    10101702
    BOLT, BEARING CAP (9)(1982-84)
    $13.05
    1
    Add To Cart
  • Buick 25517607
    25517607
    BOLT, CRANKSHAFT BEARING CAP
  • SEAL, Engine Front Cover & Crankshaft Seal
    Buick 10111769
    10111769
    SEAL, CRANKSHAFT FRONT OIL
    • Replaced By: 10243247
    $4.35 $2.77
    1
    Add To Cart
  • 552711
    SEAL, CRANKSHAFT FRONT OIL
  • SEAL, Engine Valve
    10212810
    SEAL, W/RETAINER, INLET VALVE STEM (STD.,.003"OVERSIZE)
    $7.60 $4.83
    1
    Add To Cart
  • Buick 10214034
    10214034
    SEAL, VALVE STEM OIL
    $2.60 $1.57
    1
    Add To Cart
  • Buick 25535162
    25535162
    SEAL, INTAKE VALVE (ORANGE BAND USED ON HEADS W/.552" DIAMETER INTAKE GUIDE)(1983-85)
    $13.05
    1
    Add To Cart
  • Buick 25519324
    25519324
    SEAL, INTAKE VALVE (LIGHT GREEN BAND USED ON HEADS W/.600" DIAMETER INTAKE GUIDE)(1982-83)
  • WIRE, Spark Plug or Coil
    Buick 12036972
    12036972
    WIRE, COIL (1984-86)
    $20.49 $18.78
    1
    Add To Cart
  • 12048976
    WIRE, DIST COIL LEAD (CLIP ENDS)(1985-86)
  • BEARING, Engine Camshaft & Balance Shaft Front
    Buick 1231142
    1231142
    BEARING, CAMSHAFT #2,3,4(1982-84)
    $15.50 $13.05
    1
    Add To Cart
  • Buick 1234441
    1234441
    BEARING, CAMSHAFT(#1)(1982-84)
    $17.95 $13.05
    1
    Add To Cart
  • Buick 14002525
    14002525
    BEARING, CAMSHAFT
    $25.18 $16.00
    1
    Add To Cart
  • BOLT
    Buick 15596518
    15596518
    BOLT, MANIFOLD-STUD (1.252)(M10 X 1.5 X 25 BOTH ENDS)
    $13.05
    1
    Add To Cart
  • Buick 15726460
    15726460
    BOLT, HEX WASHER HEAD (M10X1.5X35) 10.9 PHOSPHATE ORGANIC (1987)
    • Replaced By: 15029243
  • Buick 25518187
    25518187
    BOLT, EXHAUST MANIFOLD-RH (3/8"-16 X 2.33")
  • Buick 25518479
    25518479
    BOLT, HEXAGON (5/16"-18 x 4")
  • 25519891
    BOLT, ENGINE FRONT COVER (1984-85)
  • Buick 1962052
    1962052
    GEAR, GEAR, UPPER OIL DRIVE SHAFT (2.374)
    $72.03 $50.41
    1
    Add To Cart
  • SWITCH, Thermo Vacuum
    22521800
    SWITCH, TVS (EGR)(1984)
    $79.54 $26.24
    1
    Add To Cart
  • Buick 3051170
    3051170
    SWITCH, Thermo VACUUM Canister Purge
    $19.83 $12.60
    1
    Add To Cart
  • STUD, Intake & Exhaust Manifold
    Buick 22650714
    22650714
    STUD, MANIFOLD (STRUT BRACKET/COMPRESSOR REAR BRACE)(M10 X 1.5 X 20 X 60)
    $33.14 $21.06
    1
    Add To Cart
  • Buick 25523399
    25523399
    STUD, W/WASHER,INTAKE MANIFOLD TO HEAD(3/8-16X38MM/M8X1.25X25MM)
  • HUB, Engine Crankshaft And Camshaft Balancer
    Buick 10028930
    10028930
    HUB, CRANKSHAFT PULLEY (1982-86)
  • 22514399
    HUB, CRANKSHAFT BALANCER
  • PLUG, Engine Camshaft & Balance Shaft Hole
    Buick 10036984
    10036984
    PLUG, CAMSHAFT REAR BEARING
  • Buick 25521361
    25521361
    PLUG, CAMSHAFT REAR BEARING LOCATING (EXPANSION CUP)(1985)
  • PLUG, Engine Block
    Buick 22545307
    22545307
    PLUG, OIL PASSAGE REAR OUTER-LH (.9" DIAMETER)
  • Buick 25513252
    25513252
    PLUG, CYL HEAD CORE HOLES (1 1/8" CUP) (0.293)
  • 9437397
    RING, RING,RETAINER TYPE TH(FITS SHAFT DIAMETER 1.250 PLAIN(AS REQUIRED)
  • 11588711
    BOLT, HEX FLANGED HEAD (M6X1X12) 9.8 PHOSPHATE ORGANIC
    $7.39 $4.69
    1
    Add To Cart
  • 11588711
    BOLT, HEX FLANGED HEAD,M6X1X16, 10 THREAD, 14.2 OUTSIDE DIAMETER, 8.8 STEEL, GMW3359(AS REQUIRED)
    $7.39 $4.69
    1
    Add To Cart
  • 3530297
    NUT, HEX FLANGED HEAD (M6X1X6.5) 9 ZINC ORGANIC
    $7.26 $4.05
    1
    Add To Cart
  • 11515758
    BOLT, HEX FLANGED HEAD (M8X1.25X30) PHOSPHATE ORGANIC (1987)
    $1.86 $1.12
    10
    Add To Cart
  • 11515756
    BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M((FRONT & REAR)(4))(AS REQUIRED)
    $7.50 $4.53
    10
    Add To Cart
  • 11501033
    NUT, HEXAGON,M10X1.5,9.6THK,15.5 O.D.,10,CADMIUM(AS REQUIRED)
    $7.37 $4.69
    1
    Add To Cart
  • 9422127
    PIN, SPRING COILED (3/16X3/4) PLAIN
    • Replaced By: 00454512
    $3.46 $2.20
    1
    Add To Cart
  • Buick 11503428
    11503428
    BOLT, HEXAGON (M10X1.5X27)(AS REQUIRED)
    $7.38 $4.69
    1
    Add To Cart
  • 11508687
    BOLT, HEXAGON (M8X1.25X20) 10.9 PHOSPHATE ZINC ORGANIC
    $14.85 $8.98
    1
    Add To Cart
  • 94673017
    PLUG, WATER JACKET SIDE (41.5MM DIAMETER)
    $7.02 $4.24
    1
    Add To Cart
  • 96626203
    BOLT, HEXAGON (M10 X 1.5 X 50)
    $24.06 $15.29
    1
    Add To Cart
  • 11500921
    BOLT, HEXAGON,M8X1.25X40,33.2THD,HEADER POINT,10.9,PC(AS REQUIRED)
    $11.14 $6.73
    10
    Add To Cart
  • Buick 11503865
    11503865
    BOLT, HEX FLANGED HEAD (M6X1X14) 10.9 PHOSPHATE
    $10.04 $6.05
    1
    Add To Cart
  • 11504595
    BOLT, HEXAGON,M10X1.5X20,10.9,PHOSPHATE ORGANIC(AS REQUIRED)
    $3.46 $2.20
    10
    Add To Cart
  • Buick 11507095
    11507095
    NUT, HEXAGON M6X1X5.5 9 PHOSPHATE ELECTRO ORGANIC(AS REQUIRED)
    $0.42 $0.34
    1
    Add To Cart
  • Buick 11509418
    11509418
    BOLT, HEXAGON (M8X1.25X30) 10.9 PHOSPHATE ZINC ORGANIC
    $7.38 $4.69
    1
    Add To Cart
  • 11509838
    BOLT, HEXAGON,M10X1.5X110,26THD,15 O.D.,10.9,PC(AS REQUIRED)
    $3.25 $2.65
    1
    Add To Cart
  • Buick 11513737
    11513737
    BOLT, HEXAGON (M8X1.25X35) 10.9 PHOSPHATE (CAST IRON HEAD)
    $9.21 $5.84
    1
    Add To Cart
  • Buick 11514632
    11514632
    BOLT, CONICAL WASHER REGULATOR HEXAGON,M8X1.25X16,9.8,PHOSPHATE ELECTRO-ORGANIC(AS REQUIRED)
    $16.56
    1
    Add To Cart
  • Buick 11516802
    11516802
    BOLT/SCREW, HEXAGON W/CONICAL WASHER,M8X1.5X23,18 THREAD,17 OUTSIDE DIAMETER,9.8,7114M,MACHINE,4MM DOG POINT(AS REQUIRED)
    $13.05
    1
    Add To Cart
  • 11609779
    WASHER, FLAT HARDENED,5/16 X .625 X .063, 1050 STEEL, 40-45 HRC,GMW30(AS REQUIRED)
    $7.39 $4.69
    1
    Add To Cart
  • 15724652
    NUT, TUBE 7/16-24X0.36,0.30THD,0.56 LONG,1/4 TUBE,STEEL,ZINC COATED CO GM6280M((FEDERAL)(1984))(AS REQUIRED)(*03)
    $8.00 $4.46
    1
    Add To Cart
  • Buick 15728526
    15728526
    BOLT, HEXAGON HEAD M10X1.5X60.5,25 THREAD,10.9, GM7114-M(AS REQUIRED)
    $17.45 $11.08
    1
    Add To Cart
  • Buick 24500867
    24500867
    PLUG, EXPORT (1.5 DIAMETER)(4)
    $3.87 $2.46
    10
    Add To Cart
  • 25536321
    PIN, DOWEL (1/4" X 1/2")
    $7.39 $4.69
    1
    Add To Cart
  • Buick 585927
    585927
    PIN, DOWEL 5/16 X 9/16 STEEL(AS REQUIRED)
    $3.27 $1.75
    1
    Add To Cart
  • Buick 8639743
    8639743
    BOLT, HEXAGON, W/CONICAL WASHER (M6X1X15) PHOSPHATE ZINC ORGANIC
    $12.60
    1
    Add To Cart
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.