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Automatic Transmissions Store

  • Remanufactured Transmissions
  • Best Price Guarantee
  • 3+ Years Warranty
Featured Buick Automatic Transmissions

The Buick automatic transmission is encompassed in the drive train of the car. The primary functions of the drive train are to transmit power from the engine to the drive wheels and to vary the amount of torque. "Power" signifies the rate or the speed at which work is performed. "Torque" is considered to be the turning or twisting force. The maximum power can be provided by the engine at certain speeds, also known as RPM (Rotations per Minute). To be able to use the same engine rpm's at different road speeds, the "gear ratio" of the engine and the drive wheels has to be changed. The transmission allows the gear ratio to be adjusted.

To negotiate each driving situation, the transmission provides the means of changing the ratio between the driving wheel rpm and the engine rpm. Torque is derived from power. The torque which can be derived is in proportion to the distance from the center of rotation at which the power can be applied. By putting gears of different sizes on the crankshaft rotating at any given speed, different results can be obtained. A larger gear will give more speed and less power at the rim in comparison to a small gear. Place another shaft parallel to the driving shaft and install gears on it in line with those on the driving shaft. In this manner any desired combination of speed or power can be obtained which is within the limits of the engine's ability. The transmission does exactly this by using gears and other devices. In an automatic Buick transmission, the mechanism changes on its own. While in the case of the manual transmission you have to shift the gears yourself.

In the case of Buick rebuilt automatic transmission, the mechanism is performed through a system that works by oil pressure. The change of gears is controlled by a shift valve depending on speed, the road, and load conditions. In the case of Buick four-speed automatic transmission, the first gear delivers maximum torque and minimum speed for starting. Fourth gear allows maximum speed with minimum torque for highway travel. The Buick rebuilt automatic transmission is operated by transmission fluid pressure and the shift valves control the gear changes. The shifting of the gears is controlled by a "governor". The governor is turned by the output shaft. The faster the car moves, the faster the governor turns. Oil from the pump is sent to the shift valves by centrifugal force from the governor.

In order to ensure that the Buick rebuilt automatic transmission performs at its very best; all the parts are not only inspected for wear and damage but also cleaned in a special cleaning solution.

We provide Buick rebuilt automatic transmissions at wholesale prices. We have the distinction of holding one of the largest inventories of Buick rebuilt automatic transmissions.

To read more about Automatic Transmissions Store, please visit our Information page.

Description: 4 Speed Automatic Transmission, FWD
Fits: 2004 Buick Century
Tag ID: 4T65E
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 4T65E
Core Deposit: $400.00
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Description: 3 Speed Automatic Transmission, RWD
Fits: 1977 Buick Century
Tag ID: 400
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 400
Core Deposit: $200.00
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Description: 3 Speed Automatic Transmission, FWD
Fits: 1982 Buick Skylark
Tag ID: 125
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 125
Core Deposit: $100.00
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Description: 3 Speed Automatic Transmission, RWD
Fits: 1976 Buick Electra
Tag ID: 375 (400)
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 375
Core Deposit: $200.00
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Description: 4 Speed Automatic Transmission, RWD/AWD
Fits: 2004 Buick Rainier
Tag ID: 4L60E
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 4L60E
Core Deposit: $300.00
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Description: 3 Speed Automatic Transmission, RWD
Fits: 1980 Buick Apollo
Tag ID: 350
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 350
Core Deposit: $100.00
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Description: 4 Speed Automatic Transmission, FWD
Fits: 1990 Buick Riviera
Tag ID: 440T4
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 440T4
Core Deposit: $110.00
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Description: 3 Speed Automatic Transmission, RWD
Fits: 1983 Buick Park Avenue
Tag ID: 250C, 350C
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 250C
Core Deposit: $100.00
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Description: 2 Speed Automatic Transmission, RWD
Fits: 1967 Buick All W/2 Speed
Tag ID: ST300
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: ST300
Core Deposit: $300.00
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Description: 4 Speed Automatic Transmission, FWD
Fits: 1985 Buick Riviera
Tag ID: 325-4L
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 325-4L
Core Deposit: $350.00
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Description: 4 Speed Automatic Transmission, FWD
Fits: 1999 Buick Century
Tag ID: 4T60E
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 4T60E
Core Deposit: $300.00
Call  Add To Cart
Description: 3 Speed Automatic Transmission, RWD
Fits: 1975 Buick Opel
Tag ID: 180
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 180
Core Deposit: $250.00
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Description: 3 Speed Automatic Transmission, FWD
Fits: 1981 Buick Riviera
Tag ID: 325
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 325
Core Deposit: $300.00
Call  Add To Cart
Description: 4 Speed Automatic Transmission, FWD
Fits: 1992 Buick Century
Tag ID: 440-T4
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 440-T4
Core Deposit: $100.00
Call  Add To Cart
Description: 4 Speed Automatic Transmission, RWD
Fits: 1984 Buick Le Sabre
Tag ID: 700-R4
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 700-R4
Core Deposit: $200.00
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Description: 4 Speed Automatic Transmission, RWD
Fits: 1987 Buick Regal
Tag ID: 200-R4
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 200-R4
Core Deposit: $250.00
Call  Add To Cart
Description: 3 Speed Automatic Transmission, FWD
Fits: 1994 Buick Century
Tag ID: 125C
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 125C
Core Deposit: $100.00
Call  Add To Cart
Description: 4 Speed Automatic Transmission, RWD
Fits: 1984 Buick Electra
Tag ID: 200-4R
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 200-4R
Core Deposit: $250.00
Call  Add To Cart
Description: 3 Speed Automatic Transmission, RWD
Fits: 1987 Buick Regal
Tag ID: 200C
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 200C
Core Deposit: $100.00
Call  Add To Cart
Description: 3 Speed Automatic Transmission, RWD
Fits: 1981 Buick Century
Tag ID: 200, 200C
Notes: Our transmission comes with a remanufactured torque converter!
Part Number: 200
Core Deposit: $100.00
Call  Add To Cart

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Buick All W/2 SpeedBuick Apollo
Buick CenturyBuick Electra
Buick Estate WagonBuick Le Sabre
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Buick Rendezvous ApvBuick Riviera
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