Automatic Transmission Internal Power Train Parts fit your 1991 Buick Century

My Vehicle Change Vehicle
1991 Buick Century
My Vehicle Change Vehicle
1991 Buick Century
Categories Close X

You have 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
Engine
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
Rear Seat Trim, Carpet
Starter, Generator, Ignition, Electrical, Lamps
Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors
Categories Close X

You have 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
Engine
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
Rear Seat Trim, Carpet
Starter, Generator, Ignition, Electrical, Lamps
Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors
Sort by:
Recommended
Part No. & Part Description
Price
Part No. &
Part Description
  • VALVE, Transmission Clutch
    Buick 8628732
    8628732
    VALVE, DIRECT CLUTCH HOUSING BALL CHECK(PART OF 610)(4.226)
    MSRP: $11.46
    $7.26
    1
    Add To Cart
  • Buick 8662178
    8662178
    VALVE, 2ND CLUTCH HOUSING BALL CHECK(PART OF 611)
  • Buick 8662178
    8662178
    VALVE, 2ND CLUTCH HOUSING BALL CHECK(PART OF 626)
  • WASHER, Transmission Clutch
    Buick 19125903
    19125903
    WASHER, INPUT CLUTCH HOUSING THRUST(3.85)(BROWN)
    MSRP: $26.89
    $16.24
    1
    Add To Cart
  • Buick 19125904
    19125904
    WASHER, INPUT CLUTCH HOUSING THRUST(4.00)(GREEN)
    MSRP: $26.89
    $16.24
    1
    Add To Cart
  • Buick 19125905
    19125905
    WASHER, INPUT CLUTCH HOUSING THRUST(4.15)(BLACK)
    MSRP: $25.88
    $15.64
    1
    Add To Cart
  • Buick 24204845
    24204845
    WASHER, INPUT CLUTCH HOUSING THRUST(3.40)(WHITE)
    MSRP: --
    $12.60
    1
    Add To Cart
  • Buick 24204852
    24204852
    WASHER, INPUT CLUTCH HOUSING THRUST(4.45)(PURPLE,WHITE)
    • Replaced By:
      19125907
    MSRP: $26.24
    $15.85
    1
    Add To Cart
  • Buick 8658177
    8658177
    WASHER, INPUT CLUTCH HOUSING THRUST(5.05)(PURPLE,GREEN)
    MSRP: --
    $15.80
    1
    Add To Cart
  • Buick 19125901
    19125901
    WASHER, INPUT CLUTCH HOUSING THRUST(3.55)(BLUE)
  • Buick 19125902
    19125902
    WASHER, INPUT CLUTCH HOUSING THRUST(3.70)(PINK)
  • Buick 19125906
    19125906
    WASHER, INPUT CLUTCH HOUSING THRUST(4.30)(PURPLE)
  • Buick 24204842
    24204842
    WASHER, INPUT CLUTCH HOUSING THRUST(2.95)(ORANGE,GREEN)
    MSRP: $10.06
    $6.39
  • Buick 24204843
    24204843
    WASHER, INPUT CLUTCH HOUSING THRUST(3.10)(ORANGE,BLACK)
  • Buick 24204844
    24204844
    WASHER, INPUT CLUTCH HOUSING THRUST(3.25)(ORANGE)
  • Buick 8631029
    8631029
    WASHER, DIRECT CLUTCH HOUSING THRUST(SUPPORT)(4.169)
  • Buick 8631259
    8631259
    WASHER, DRIVE SPROCKET THRUST(2.08MM)(BLUE)(4.169)
  • Buick 8658174
    8658174
    WASHER, INPUT CLUTCH HOUSING THRUST(4.60)(PURPLE,BLUE)
  • Buick 8658175
    8658175
    WASHER, INPUT CLUTCH HOUSING THRUST(4.75)(PURPLE,PINK)
  • Buick 8658176
    8658176
    WASHER, INPUT CLUTCH HOUSING THRUST(4.90)(PURPLE,BROWN)
  • Buick 8664762
    8664762
    WASHER, INPUT SHIFT THRUST (PART OF 624)
  • SUPPORT, Transmission Sprocket (Front Wheel Drive)
    Buick 24205838
    24205838
    SUPPORT, DOOR SPROCKET (INCLUDE 600,601)
    MSRP: --
    $211.58
    1
    Add To Cart
  • 24216852
    SUPPORT, DRIVEN SPROCKET (INCLUDE 608)
    MSRP: $305.82
    $155.45
    1
    Add To Cart
  • GEAR, Transmission Rear Internal Gear
    Buick 24209169
    24209169
    GEAR, FINAL DRIVE SUN(3.33R)(4.175)
    MSRP: $72.96
    $34.93
    1
    Add To Cart
  • Buick 24209184
    24209184
    GEAR, FINAL DRIVE SUN (2.73R)
    MSRP: $146.35
    $127.33
    1
    Add To Cart
  • Buick 24209185
    24209185
    GEAR, FINAL DRIVE SUN (2.84R)
    MSRP: $133.82
    $64.08
    1
    Add To Cart
  • Buick 8631117
    8631117
    GEAR, FINAL DOOR INTERMEDIATE-W/BUSHING
  • 8675330
    GEAR, FRONT DIFFERENTIAL CARRIER INTERNAL(INCLUDE 670)
  • BEARING, Transmission Sun Gear
    Buick 8628962
    8628962
    BEARING, SUN/INTAKE GEAR THRUST
    MSRP: $4.10
    $2.48
    1
    Add To Cart
  • Buick 8628962
    8628962
    BEARING, CARRIER/SUN GEAR
    MSRP: $4.10
    $2.48
    1
    Add To Cart
  • Buick 8646254
    8646254
    BEARING, FRONT DIFFERENTIAL CARRIER SUN GEAR THRUST(PART OF 679)
    MSRP: $10.76
    $6.50
    1
    Add To Cart
  • Buick 8646504
    8646504
    BEARING, REACTION CARRIER THRUST
    MSRP: $3.18
    $1.92
    1
    Add To Cart
  • Buick 8649353
    8649353
    BEARING, REACTION SUN GEAR THRUST(REAC CARRIER TO SUN GEAR)
    MSRP: $2.02
    $1.27
    1
    Add To Cart
  • Buick 24214159
    24214159
    BEARING, SUN GEAR THRUST(TO FINAL DRIVE INTAKE GEAR)(4.176)
  • BEARING, Transmission Sprocket (Front Wheel Drive)
    Buick 24227685
    24227685
    BEARING, INPUT CLUTCH HOUSING THRUST
    MSRP: $20.82
    $12.56
    1
    Add To Cart
  • Buick 8631190
    8631190
    BEARING, DOOR SPROCKET DRAWN CUP(PART OF 602)
  • Buick 8644054
    8644054
    BEARING, DRIVEN SPROCKET(DRAWN CUP)
  • WASHER, Transmission Output/Counter Shaft or Carrier
    Buick 8631227
    8631227
    WASHER, REACTION CARRIER THRUST(LOW ROLLER RACE)(4.180)
    MSRP: --
    $28.94
    1
    Add To Cart
  • Buick 8631427
    8631427
    WASHER, FRONT DIFFERENTIAL CARRIER THRUST(2.15MM)(INSIDE DIAMETER 7)
    MSRP: $7.20
    $4.35
    1
    Add To Cart
  • Buick 8628188
    8628188
    WASHER, REACT CARRIER THRUST
  • Buick 8631062
    8631062
    WASHER, INPUT CARRIER THRUST(TO INPUT SUN GEAR)(4.159)
  • Buick 8631420
    8631420
    WASHER, DIFFERENTIAL CARRIER/CASE THRUST (SELECTOR)(1.45MM)
  • Buick 8631421
    8631421
    WASHER, DIFFERENTIAL CARRIER/CASE THRUST (SELECTOR)(1.55MM)
  • Buick 8631422
    8631422
    WASHER, FRONT DIFFERENTIAL CARRIER THRUST(SELECTOR)(1.65MM)(INSIDE DIAMETER 2)
  • Buick 8631422
    8631422
    WASHER, FRONT DIFFERENTIAL CARRIER THRUST(1.65MM)
  • 8631423
    WASHER, FRONT DIFFERENTIAL CARRIER THRUST(1.75MM)(INSIDE DIAMETER 3)
  • Buick 8631424
    8631424
    WASHER, FRONT DIFFERENTIAL CARRIER THRUST(1.85MM)(INSIDE DIAMETER 4)
  • Buick 8631425
    8631425
    WASHER, FRONT DIFFERENTIAL CARRIER THRUST(1.95MM)(INSIDE DIAMETER 5)
  • Buick 8631426
    8631426
    WASHER, FRONT DIFFERENTIAL CARRIER THRUST(2.05MM)(INSIDE DIAMETER 6)
  • Buick 8631428
    8631428
    WASHER, DIFFERENTIAL CARRIER/CASE THRUST (SELECTOR)(2.25MM)
  • RING, Transmission Clutch
    Buick 8644110
    8644110
    RING, 2ND CLUTCH SPRING RETAINER(SNAP)
    MSRP: --
    $32.32
    1
    Add To Cart
  • Buick 8658889
    8658889
    RING, INPUT CLUTCH SPRAG OUTER RACE RETAINER RETAINER(PART OF 653)(4.159)
    MSRP: $9.02
    $5.65
    1
    Add To Cart
  • Buick 8668567
    8668567
    RING, 2ND CLUTCH BACKING PLATE RETAINER(OUTER)(SNAP)
    MSRP: --
    $24.08
    1
    Add To Cart
  • Buick 8631028
    8631028
    RING, INPUT CLUTCH BACKING PLATE RETAINER
  • Buick 8631078
    8631078
    RING, LOW & REV CLUTCH HOUSING/CASE SNAP
  • Buick 8631078
    8631078
    RING, FRONT DIFFERENTIAL CARRIER INTERNAL GEAR RETAINER(SNAP,)
  • Buick 8644068
    8644068
    RING, 4TH CLUTCH SPRING RETAINER(4.164)
  • Buick 8644165
    8644165
    RING, 3RD CLUTCH BACKING PLATE RETAINER
  • Buick 8664635
    8664635
    RING, DIRECT CLUTCH APPLY-W/RELEASE SPRING (3.3N)
  • Buick 8664636
    8664636
    RING, DIRECT CLUTCH APPLY-W/RELEASE SPRING (2.5R)
  • RING, Transmission Input and Turbine Shaft
    Buick 8644726
    8644726
    RING, 3RD CLUTCH HOUSING RETAINER(INPUT SHAFT)(*01,02)
    MSRP: $3.94
    $2.37
    1
    Add To Cart
  • Buick 8644726
    8644726
    RING, 3RD CLUTCH SPRING RETAINER(INPUT SHAFT)(*01,02)
    MSRP: $3.94
    $2.37
    1
    Add To Cart
  • Buick 8631048
    8631048
    RING, INPUT SHAFT OIL SEAL (INCLUDE 623)
  • WASHER, Transmission Sprocket (Front Wheel Drive)
    Buick 8631261
    8631261
    WASHER, DRIVE SPROCKET THRUST(2.48MM)(YELLOW)(4.169)
    MSRP: --
    $23.07
    1
    Add To Cart
  • Buick 8644069
    8644069
    WASHER, 2ND CLUTCH HOUSING THRUST(DRIVEN SUPPORT SPROCKET)
    MSRP: $8.48
    $3.43
    1
    Add To Cart
  • Buick 8631258
    8631258
    WASHER, DRIVE SPROCKET THRUST(1.8MM)(WHITE)
  • Buick 8631260
    8631260
    WASHER, DRIVE SPROCKET THRUST(2.28MM)(RED)
  • Buick 8631262
    8631262
    WASHER, DRIVE SPROCKET THRUST(2.68MM)(GREEN)(4.169)
  • CARRIER, Final Drive
    Buick 8661949
    8661949
    CARRIER, FRONT DIFFERENTIAL(2.84R)(INCLUDE 812-7)(*03)
    MSRP: $356.19
    $178.16
    1
    Add To Cart
  • Buick 8661905
    8661905
    CARRIER, DIFFERENTIAL (2.73R)(INCLUDE 812-7)
  • Buick 8661905
    8661905
    CARRIER, FINAL DOOR (2.73R) (INCLUDE 677-8,680,804-9)
  • RING
    Buick 8631549
    8631549
    RING, LOW & REV CLUTCH HOUSING RETAINER(HOUSING/CASE)(SNAP)
  • 8652535
    RING, DOOR SPROCKET SUPPORT(*02)
  • GEAR, Governor Drive
    Buick 8631571
    8631571
    GEAR, GOVERNOR DRIVE(STEEL)(PART OF 678)
  • Buick 8631571
    8631571
    GEAR, GOVERNOR DRIVE(STEEL)(PART OF 679)
  • RING, Transmission Sun Gear
    Buick 8631602
    8631602
    RING, SNAP INPUT DRUM/SUN GEAR (2.32MM)(PINK)
  • Buick 8631603
    8631603
    RING, SNAP INPUT DRUM/SUN GEAR (2.49MM)(BROWN)
  • Buick 8631604
    8631604
    RING, SNAP INPUT DRUM/SUN GEAR (2.66MM)(BLUE)
  • Buick 8631605
    8631605
    RING, SNAP INPUT DRUM/SUN GEAR (2.83MM)(WHITE)
  • Buick 8631606
    8631606
    RING, SNAP INPUT DRUM/SUN GEAR (3.00MM)(YELLOW)
  • Buick 8631607
    8631607
    RING, SNAP INPUT DRUM/SUN GEAR (3.17MM)(GREEN)
  • Buick 8631608
    8631608
    RING, SNAP INPUT DRUM/SUN GEAR (3.34MM)(ORANGE)
  • Buick 8631609
    8631609
    RING, SNAP INPUT DRUM/SUN GEAR (3.51MM)(PLAIN)
  • SHAFT, Transmission Output/Counter Shaft or Carrier
    Buick 8660057
    8660057
    SHAFT, FINAL DOOR SUN GEAR
  • Buick 8661020
    8661020
    SHAFT, FRONT DIFFERENTIAL CARRIER SUN GEAR
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1991 Buick Century parts. Parts like Automatic Transmission Internal Power Train Parts 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 3.3L. Model Code: CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 4 DOOR.