Automatic Transmission Case & Related Parts fit your 1991 Pontiac Bonneville

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1991 Pontiac Bonneville

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6 Cyl 3.8L MFI; 4-Speed Automatic Transmission, THM440-T4/4T60

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6 Cyl 3.8L MFI; 4-Speed Automatic Transmission, THM440-T4/4T60

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Transmission - Automatic

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Parts Questions

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

PLUG, Plug Threaded

8654382
PLUG, GOVERNOR PRESSURE-PICKUP (1/8"-27 AUTO HH PIPE)
$7.20 $4.72
1
Add To Cart
8654382
PLUG, LINE PRESSURE PICKUP (1/8"-27 AUTO HH PIPE)
$7.20 $4.72
1
Add To Cart

8662686
SEAL, Transmission Input and Turbine Shaft, SEAL,TURBINE SHAFT(O RING)(*02,03,09)
$10.14 $6.11
1
Add To Cart

8658375
VALVE, Transmission Vacuum, VALVE,MOD

8656613
SEAL, Transmission Oil Suction Tube, SEAL,AUTOMATIC TRANSMISSION FLUID FILTER(O-RING)(PART OF 58)(*02,03,07,08)
$11.43 $6.90
1
Add To Cart

24214158
BEARING, Transmission Sprocket (Front Wheel Drive), BEARING,DRIVE SPROCKET(DRAWN CUP)
$12.21 $7.38
1
Add To Cart

SEAL, Transmission Oil Pump

8631211
SEAL, AUTOMATIC TRANSMISSION FLUID PUMP DRIVE SHAFT(*02,03,04,07,08)(4.123)
$6.69 $4.24
1
Add To Cart
8685515
SEAL, TORQUE CONVERTER FLUID(HELIX)(*01,02,08,09)
$12.14 $7.72
1
Add To Cart

24208456
SCREEN, Transmission Oil Pump, SCREEN,AUTOMATIC TRANSMISSION FLUID PUMP OUTLET
$10.38 $6.49
1
Add To Cart

24239049
MAGNET, Transmission Oil Pan, MAGNET,AUTOMATIC TRANSMISSION FLUID PAN(PART OF 59)
$12.11 $7.68
1
Add To Cart

FITTING, Transmission Oil Cooler
8637742
FITTING, TRANS FLUID COOLER PIPE(1990)
Replaced By: 19435221
$75.89 $12.60
1
Add To Cart
8651654
FITTING, TRANS FLUID COOLER PIPE(1991)
$10.40 $6.28
1
Add To Cart
8676164
FITTING, TRANS FLUID COOLER PIPE(W/CHECK VALVE)(3/8-13)(1991)

8678679
PAN, Transmission Oil Pan, PAN,AUTOMATIC TRANSMISSION FLUID(W/GASKET & MAGNET)(INCLUDE 60,63,66)
$65.24 $27.43
1
Add To Cart

GASKET, Transmission Oil Pan

8668028
GASKET, OIL PAN (1990-91 1ST TYPE CELLULOSE GASKET)(*02,03,07,08)
8678681
GASKET, OIL PAN (1991 2ND TYPE REUSABLE METAL INSERT GASKET)

10054241
SEAL, Transmission Converter, SEAL, MOD O RING (PART OF 19)(*02,03,07,08)
$2.27 $1.43
1
Add To Cart

HARNESS, Transmission Servo & Accumulator

12096136
HARNESS, PUMP WIRING (1990)(*10)
$264.87 $155.94
1
Add To Cart
12096136
HARNESS, PUMP WIRING (1991)
$264.87 $155.94
1
Add To Cart
8668268
HARNESS, PUMP WIRE (1990)(*09)

GOVERNOR, Transmission Governor

24201432
GOVERNOR, ((INCLUDE 4,7,8,74)
$49.92 $8.40
1
Add To Cart
24201431
GOVERNOR, AUTOMATIC TRANSMISSION(2.84R)(INCLUDE 4,7,8,74)

24203263
SCREEN, Transmission Main Control Valve Body, SCREEN,TORQUE CONVERTER CLUTCH SOLENOID VALVE(4.122)
$12.60
1
Add To Cart

RING, Transmission Servo & Accumulator

24208959
RING, REV BAND SERVO PISTON FLUID SEAL(PART OF 548)(*01,02,05,08,09)
$11.50 $7.21
1
Add To Cart
8644091
RING, REV BAND SERVO COVER RETAINER
8656536
RING, REV BAND SERVO PINION RETAINER
8658160
RING, 1-2 BAND SERVO PISTON FLUID SEAL(PART OF 558)(*01,02,08,09)

24209559
CONNECTOR, Transmission Converter, CONNECTOR,W/SEAL(ELECTRIC)
$16.69 $10.47
1
Add To Cart

24212471
SUPPORT, Transmission Sprocket (Front Wheel Drive), SUPPORT,DRIVE SPROCKET(INCLUDE 518)
$160.33 $58.35
1
Add To Cart

24222373
SHAFT, Transmission Housing, SHAFT,4TH CLUTCH(INCLUDE 504)
$209.46 $123.32
1
Add To Cart

24243762
BUSHING, Transmission Case Extension, BUSHING,CASE (39.0 O.D.X11.0)
$7.42 $4.46
1
Add To Cart

RING, Front Wheel Drive Axle Shaft

7829495
RING, FRONT WHEEL DRIVE SHAFT RETAINER(6.061)
$1.32 $0.84
1
Add To Cart
8631136
RING, FRONT WHEEL DRIVE SHAFT RETAINER

8622361
PIN, Automatic, PIN,AUTOMATIC TRANSMISSION NAME PLATE DRIVE
$7.89 $4.76
1
Add To Cart

8631210
RING, Transmission Sprocket (Front Wheel Drive), RING,DRIVE SPROCKET RETAINER(TURBINE SHAFT TO DRIVE SPROCKET)
$9.53 $6.05
1
Add To Cart

RING, Transmission Input and Turbine Shaft

8637170
RING, TURBINE SHAFT FLUID SEAL(*02,03,09)
$9.54 $5.78
1
Add To Cart
8643058
RING, TURBINE SHAFT FLUID SEAL(*02,03,09)
$8.99 $5.72
2
Add To Cart

RETAINER, Transmission Servo & Accumulator

8644088
RETAINER, REV BAND SERVO CUSHION SPRING
$15.11
1
Add To Cart
8649187
RETAINER, 1-2 BAND SERVO CUSHION SPRING
8656700
RETAINER, REV BAND SERVO PISTON SPRING

8644516
BEARING, Transmission Oil Pump, BEARING,AUTOMATIC TRANSMISSION FLUID PUMP DRIVE SHAFT(W/SLEEVE)
$19.98 $12.52
1
Add To Cart

WASHER, Transmission Sprocket (Front Wheel Drive)

8644684
WASHER, DRIVEN SPROCKET THRUST(SPROCKET SUPPORT)
$6.99 $2.59
1
Add To Cart
8652841
WASHER, DRIVE SPROCKET THRUST
$9.16 $5.82
1
Add To Cart
8649260
WASHER, DRIVE SPROCKET THRUST

8644685
PIN, Transmission Case, PIN,AUTOMATIC TRANSMISSION CASE COVER(4.265)
$11.15 $6.74
1
Add To Cart

8644709
SEAL, Transmission Manual Shaft, SEAL,MANUAL SHAFT(*01,02,08,09)
$11.08 $7.05
1
Add To Cart

8644902
GASKET KIT, Transmission Auxiliary Valve Body Cover, GASKET KIT,CASE SIDE COVER(INCLUDE 65)(*02,03,07,08)
$60.41 $36.51
1
Add To Cart

CONVERTER, Transmission Converter

8650933
CONVERTER, TRANS (REMANUFACTURED)(2.84R)
$417.03 $264.49
1
Add To Cart
8650934
CONVERTER, TRANS (REMANUFACTURED)(2.97R)
8650934
CONVERTER, TRANS (REMANUFACTURED)(3.3R)

8652382
SHAFT, Transmission Input and Turbine Shaft, SHAFT,TURBINE(W/SLEEVE)
$95.09 $35.53
1
Add To Cart

PIN, Transmission Servo & Accumulator

8680300
PIN, REV BAND SERVO PISTON(1 GROOVE-WIDE BAND)
$12.11 $10.84
1
Add To Cart
8656537
PIN, 1-2 BAND SERVO PISTON(WIDE BAND,1 RING)
8656538
PIN, 1-2 BAND SERVO PISTON(WIDE BAND,2 RINGS)
8656539
PIN, 1-2 BAND SERVO PISTON(1 RING)
8656540
PIN, 1-2 BAND SERVO PISTON(2 RINGS)
8656541
PIN, 1-2 BAND SERVO PISTON(3 RINGS)
8656542
PIN, 1-2 BAND SERVO PISTON(WIDE BAND)
8656545
PIN, REV BAND SERVO PISTON(NO GROOVE)
8656546
PIN, REV BAND SERVO PISTON(1 GROOVE)
8656547
PIN, REV BAND SERVO PISTON(2 GROOVES)
8656548
PIN, REV BAND SERVO PISTON(3 GROOVES)
8658241
PIN, REV BAND SERVO PISTON(2 GROOVES,WIDE BAND)

8666007
SEAL, Front Wheel Drive Axle Shaft, SEAL,AXLE OIL(*01,02,08,09)
$9.11 $5.53
1
Add To Cart

10049690
BOLT, Fuel Tank Evaporator/Purge Control, BOLT, PUMP COVER/CASE (M6X1.0X85) 9.8 PHOSPHATE ORGANIC

11508406
BOLT, Button Head Torx, BOLT, BUTTON HEAD TORX (M8X1.25X90) 9.8 PLAIN

BOLT

11508963
BOLT, HEXAGON (M6X1X30) 9.8 STEEL PLAIN
8667680
BOLT, HEXAGON WASHER HEAD,M6X1X7.4(AS REQUIRED)

PLATE, Transmission Clutch

18017245
PLATE, 4TH CLUTCH(FACED)(*02,09)
24222029
PLATE, 4TH CLUTCH REACTION(STEEL)(*02,09)
8649831
PLATE, 4TH CLUTCH APPLY(STEEL)

VALVE, Transmission Main Control Valve Body

24201286
VALVE, CONTROL (1990)(2.84R)
24201288
VALVE, CONTROL (1990)(2.97R)
24201295
VALVE, CONTROL (1991)(3.33R)

PLATE, Transmission Main Control Valve Body

24201672
PLATE, VALVE BODY SPACER (1990)(2.84R)
24201673
PLATE, VALVE BODY SPACER (1990)(2.97R)
24201678
PLATE, VALVE BODY SPACER (1991)(2.84R)

24201985
BEARING, Transmission Output/Counter Shaft or Carrier, BEARING,INPUT SUN GEAR TO OUTPUT SHAFT

24202302
PUMP, Transmission Oil Pump, PUMP,AUTOMATIC TRANSMISSION FLUID

24207294
CONNECTOR, Transmission Oil Cooler, CONNECTOR,OIL COOLER(W/CHECK BALL)(1990)

24218281
LINK, Transmission Sprocket (Front Wheel Drive), LINK,DRIVE

24228950
FILTER, Transmission Oil Suction Tube, FILTER,AUTOMATIC TRANSMISSION FLUID(INCLUDE 63 CELLULOSE GASKET & 57)

8627650
RETAINER, Transmission Vacuum, RETAINER,VACUUM MOD(TO CASE)

8628864
PLUG, Transmission Case, PLUG,CASE SERVO (ALSO PART OF 525)
$3.32 $2.11

8628915
BUSHING, Transmission Sprocket (Front Wheel Drive), BUSHING, DOOR SPROCKET SUPPORT (PART OF 517)

SEAL, Transmission Governor

8632588
SEAL, GOVERNOR SHAFT(PART OF #5)(*02,03,07,08)
8660545
SEAL, GOVERNOR COVER(O RING)(PART OF 5)(*02,03,07,08)

8635490
BEARING, Transmission Governor, BEARING,GOVERNOR THRUST(PART OF 5)

8644664
WASHER, Transmission Clutch, WASHER,4TH CLUTCH SHAFT THRUST(HUB/DRIVEN SPROCKET)

SPROCKET, Transmission Sprocket (Front Wheel Drive)

8644677
SPROCKET, DRIVE,W/SLEEVE (35 TEETH)(2.84R)
8644677
SPROCKET, DRIVE,W/SLEEVE (35 TEETH)(3.33R)
8644679
SPROCKET, DRIVE(W/SLEEVE)(37 TEETH)(2.97R)
8675035
SPROCKET, DRIVEN(W/SLEEVE)(33 TEETH)(2.97R)
8675036
SPROCKET, DRIVEN (35 TEETH)(3.33R)
8675036
SPROCKET, DRIVEN (35 TEETH)(2.84R)

PISTON, Transmission Servo & Accumulator

8646921
PISTON, 1-2 BAND SERVO(INCLUDE 557)
8646922
PISTON, REV BAND SERVO(INCLUDE 547)

8646949
GASKET, Transmission Main Control Valve Body, GASKET,CONTROL VALVE BODY SPACER PLATE(INCLUDE 32)

SPRING, Transmission Servo & Accumulator

8649147
SPRING, SERVO RETURN (REV 1-2)
8656287
SPRING, REV BAND SERVO PISTON CUSHION SPRING RETAINER(WAVED)
8668121
SPRING, REV BAND SERVO PISTON CUSHION
8675078
SPRING, 1-2 SERVO CUSHION

8656072
LINK, Transmission Throttle Valve, LINK,THROTTLE VALVE CABLE

8656393
BEARING, Transmission Clutch, BEARING,4TH CLUTCH SHAFT THRUST

8656395
WASHER, Transmission Case, WASHER,OIL PAN SIDE COVER (CONICAL, 6.5X14X1.2THK)

8656624
SHAFT, Transmission Oil Pump, SHAFT,A/TRAN OIL PUMP DRIVE

8658109
SEAL, Transmission Solenoid, SEAL,TORQUE CONVERTER CLUTCH SOLENOID VALVE SCREEN

8658111
SEAL, Transmission Servo & Accumulator, SEAL,REV BAND SERVO COVER(O RING)(TO CASE)(*01,02,08,09)

8658208
SCREEN, Transmission Clutch, SCREEN,3RD CLUTCH EXHAUST

8658294
BOLT, Transmission Case, BOLT,AUTOMATIC TRANSMISSION CASE COVER

8658300
LEVER, Transmission Throttle Valve, LEVER,THROTTLE VALVE(W/BRACKET)

8658445
CLIP, Transmission Throttle Valve, CLIP,CONDUIT(THROTTLE VALVE BRACKET)

8660770
BUSHING, Transmission Governor, BUSHING,GOVERNOR SHAFT

8662024
VENT, Transmission Case, VENT,AUTOMATIC TRANSMISSION (ALSO PART OF 525)

8662391
SEAL, Transmission Oil, SEAL,3-2 COASTDOWN(*03,08)

CLIP, Chassis/Engine Wiring Harness

8662394
CLIP, AUTOMATIC TRANSMISSION WIRING HARNESS(PUMP BODY)(4.115)
8668271
CLIP, AUTOMATIC TRANSMISSION WIRING HARNESS(PUMP HARNESS-2 WIRE)(ALL METAL-ROUND)

8662841
GASKET, Transmission Oil Pump, GASKET,1-2 SERVO RELEASE COVER PLATE(*02,03,07,08)

8662842
PLATE, Transmission Oil Pump, PLATE,RELEASE COVER (W/PIPE)

8662967
MODULATOR, Transmission Vacuum, MODULATOR,VACUUM(NO VALVE INCLUDED)(INCLUDE 18)

CASE, Transmission Case

8668985
CASE, AUTOMATIC TRANSMISSION(W/BUSHING)(1990-91)(INCLUDE 528,532-4)(*07)
8668985
CASE, AUTOMATIC TRANSMISSION(W/BUSHING)(1990-91)(*06)

8668990
SHAFT, Transmission Output/Counter Shaft or Carrier, SHAFT,OUTPUT

COVER, Transmission Servo & Accumulator

8685016
COVER, REV BAND SERVO((REV,1-2))
8685016
COVER, REV BAND SERVO(REV,1-2)

8685537
COVER, Transmission Main Control Valve Body, COVER,CONTROL VALVE BODY

11515755
SCREW, OIL PAN (M8X1.25X18)(91 2ND TYPE W/METAL INSERT GASKET)
$9.22 $6.81
1
Add To Cart

11514168
BOLT/SCREW, PAN HEAD,TORX,M8X1.25X25,14 O.D.,9.8,ALOR(AS REQUIRED)
$2.50 $1.57
1
Add To Cart

11516075
NUT, HEX FLANGED HEAD SELF LOCK,M6X1,7.7THK,14.2 O.D.,9,PHOSPHATE ZINC ORGANIC(CASE SIDE COVER)(AS REQUIRED)
$2.95 $1.87
10
Add To Cart

15614709
SCREW, OIL PAN (M8X1.25X21.5)(90 & 91 1ST TYPE W/CELLULOSE GASKET)
$9.86 $6.26
1
Add To Cart

15614709
SCREW, SIDE COVER (M8X1.25X21.5) 9.8 PHOSPHATE ZINC ORGANIC
$9.86 $6.26
1
Add To Cart

11503870
BOLT, HEXAGON HEAD (M6X1.0X35) 10.9 PC
$3.92 $2.49
1
Add To Cart

11508687
BOLT, HEXAGON (M8X1.25X20) 10.9 PHOSPHATE ZINC ORGANIC
$14.85 $8.98
1
Add To Cart

11514753
BOLT, PLATE/VALVE BODY (M6X1X16) 9.8 ZINC COATED (DIPPED OR PLATED)
$7.21 $4.36
1
Add To Cart

11514895
SCREW, PAN HEAD CROSS RECESS (M6X1X45) HEAD CROSS RECESS ZINC COATED (DIPPED OR PLATED)
$10.58 $6.69
1
Add To Cart

8919356
CONDUIT, ELECTRICAL(15 FTX.75 INSIDE DIAMETER)(ALSO PART OF 48)(AS REQUIRED)
$69.68 $42.10
1
Add To Cart

11503484
BOLT, PUMP BDY/CASE (M8X1.25X95) 9.8 PLAIN

11508172
SCREW, PAN HEAD TORX (M6X1.0X60) 9.8 PLAIN

11509555
BOLT, VALVE BDY/CASE (M8X1.25X70) 10.9 PC

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 Pontiac Bonneville parts. Parts like Automatic Transmission Case & Related 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: LE 4 DOOR, SE 4 DOOR, SSE 4 DOOR.