Automatic Transmission Internal Power Train Parts fit your 1989 Buick Reatta

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1989 Buick Reatta
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Vehicle Options
6 Cyl 3.8L MFI; 4-Speed Automatic Transmission, THM440-T4/4T60
Vehicle Options
6 Cyl 3.8L MFI; 4-Speed Automatic Transmission, THM440-T4/4T60
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Other Categories

Body Moldings, Sheet Metal, Rear Compartment Hardware, Roof Hardware
Body Mounting, Air Conditioning, Audio/Entertainment
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cooling System, Grille, Oil System
Engine
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
Rear Seat Trim, Carpet
Starter, Generator, Ignition, Electrical, Lamps
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
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cooling System, Grille, Oil System
Engine
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
Rear Seat Trim, Carpet
Starter, Generator, Ignition, Electrical, Lamps
Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors
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Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • VALVE, Transmission Clutch
    Buick 8662178
    8662178
    VALVE, 2ND CLUTCH HOUSING BALL CHECK(PART OF 626)
  • Buick 8662178
    8662178
    VALVE, 2ND CLUTCH HOUSING BALL CHECK(PART OF 611)
  • WASHER, Transmission Clutch
    Buick 19125902
    19125902
    WASHER, INPUT CLUTCH HOUSING THRUST(3.70)(PINK)
    $25.10 $12.60
    1
    Add To Cart
  • Buick 19125903
    19125903
    WASHER, INPUT CLUTCH HOUSING THRUST(3.85)(BROWN)
    $26.89 $16.24
    1
    Add To Cart
  • Buick 19125904
    19125904
    WASHER, INPUT CLUTCH HOUSING THRUST(4.00)(GREEN)
    $27.61 $16.67
    1
    Add To Cart
  • Buick 19125905
    19125905
    WASHER, INPUT CLUTCH HOUSING THRUST(4.15)(BLACK)
    $26.58 $16.06
    1
    Add To Cart
  • Buick 24204844
    24204844
    WASHER, INPUT CLUTCH HOUSING THRUST(3.25)(ORANGE)
    $12.60
    1
    Add To Cart
  • Buick 24204845
    24204845
    WASHER, INPUT CLUTCH HOUSING THRUST(3.40)(WHITE)
    $12.60
    1
    Add To Cart
  • Buick 24204852
    24204852
    WASHER, INPUT CLUTCH HOUSING THRUST(4.45)(PURPLE,WHITE)
    • Replaced By: 19125907
    $26.94 $16.27
    1
    Add To Cart
  • Buick 19125901
    19125901
    WASHER, INPUT CLUTCH HOUSING THRUST(3.55)(BLUE)
  • Buick 19125906
    19125906
    WASHER, INPUT CLUTCH HOUSING THRUST(4.30)(PURPLE)
  • Buick 24204842
    24204842
    WASHER, INPUT CLUTCH HOUSING THRUST(2.95)(ORANGE,GREEN)
    $10.32 $6.56
  • Buick 24204843
    24204843
    WASHER, INPUT CLUTCH HOUSING THRUST(3.10)(ORANGE,BLACK)
  • 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 8658177
    8658177
    WASHER, INPUT CLUTCH HOUSING THRUST(5.05)(PURPLE,GREEN)
  • CARRIER, Transmission Output/Counter Shaft or Carrier
    Buick 24205127
    24205127
    CARRIER, REACTION(W/INPUT INTERNAL GEAR)
    $119.77 $75.10
    1
    Add To Cart
  • Buick 24203693
    24203693
    CARRIER, INPUT (COMPLETE)(INCLUDE 660,661)
  • Buick 24223647
    24223647
    CARRIER, FINAL DOOR (2.84R)(INCLUDE 677-8,680)
  • GEAR, Transmission Sun Gear
    8676144
    GEAR, REACTION SUN(W/DRUM & BUSHING)(INCLUDE 666)
    $177.23 $87.88
    1
    Add To Cart
  • Buick 24208023
    24208023
    GEAR, INPUT SUN
  • GEAR, Transmission Rear Internal Gear
    Buick 24209185
    24209185
    GEAR, FINAL DRIVE SUN (2.84R)
    $133.82 $48.76
    1
    Add To Cart
  • Buick 24209169
    24209169
    GEAR, FINAL DOOR SUN (2.97R)
  • BEARING, Transmission Sun Gear
    Buick 8646254
    8646254
    BEARING, FRONT DIFFERENTIAL CARRIER SUN GEAR THRUST(PART OF 679)
    $10.76 $6.74
    1
    Add To Cart
  • Buick 8646504
    8646504
    BEARING, INPUT/REACT CARRIER
    $3.18 $1.92
    1
    Add To Cart
  • Buick 8649353
    8649353
    BEARING, REACTION SUN GEAR THRUST(REAC CARRIER TO SUN GEAR)
    $2.02 $1.27
    1
    Add To Cart
  • Buick 24214159
    24214159
    BEARING, SUN GEAR THRUST(TO FINAL DRIVE INTAKE GEAR)
  • BEARING, Transmission Sprocket (Front Wheel Drive)
    Buick 24227685
    24227685
    BEARING, INPUT CLUTCH HOUSING THRUST
    $21.38 $12.90
    1
    Add To Cart
  • Buick 8644054
    8644054
    BEARING, DRIVEN SPROCKET(DRAWN CUP)
  • RING, Transmission Clutch
    Buick 8644110
    8644110
    RING, 2ND CLUTCH SPRING RETAINER(SNAP)
    $27.86
    1
    Add To Cart
  • Buick 8631028
    8631028
    RING, INPUT CLUTCH BACKING PLATE RETAINER
  • Buick 8631078
    8631078
    RING, FRONT DIFFERENTIAL CARRIER INTERNAL GEAR RETAINER(SNAP)
  • Buick 8644165
    8644165
    RING, 3RD CLUTCH BACKING PLATE RETAINER
  • Buick 8661141
    8661141
    RING, 2ND CLUTCH OUTER SNAP
  • WASHER, Transmission Output/Counter Shaft or Carrier
    Buick 8631427
    8631427
    WASHER, FRONT DIFFERENTIAL CARRIER THRUST(2.15MM)(INSIDE DIAMETER 7)
    $7.20 $4.51
    1
    Add To Cart
  • Buick 8631422
    8631422
    WASHER, THRUST (DIFFERENTIAL CARRIER/CASE)(1.65MM)(INSIDE DIAMETER 2)
  • 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)
  • RING, Transmission Input and Turbine Shaft
    Buick 8644726
    8644726
    RING, 3RD CLUTCH HOUSING RETAINER(INPUT SHAFT)(*01,02,07)
    $3.94 $2.37
    1
    Add To Cart
  • Buick 8644726
    8644726
    RING, 3RD CLUTCH SPRING RETAINER(INPUT SHAFT)(*01,02,07)
    $3.94 $2.37
    1
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1989 Buick Reatta 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: 6 Cyl 3.8L. Model Code: REATTA, RIVIERA.