1991 Buick Regal Automatic Transmission Parts

This table covers the pistons inside a transmission accumulator. Read more

One part is listed for the 1991 Buick Regal — TRANSGO 4T60ACM.

This table covers the Accumulator Piston Seal sleeves. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 8644917.

This table covers the apply bands inside the automatic transmission. Read more

5 Band parts are listed for the 1991 Buick Regal, from PIONEER and ATP. PIONEER 767069 carries the "Popular" badge.

Part numbers include PIONEER 767069, ATP CX44 and ATP CX45, among others listed above.

This table covers the bushings in this assembly. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

9 Bushing parts for the 1991 Buick Regal come from 2 brands — PIONEER and ATP. The "Popular" part is PIONEER 755056.

Part numbers include PIONEER 755056, PIONEER 755090 and ATP JB65, among others listed above.

This table covers the Bushing kits. Read more

3 Bushing Kit parts for the 1991 Buick Regal come from 2 brands — PIONEER and DURA-BOND.

This group includes DURA-BOND TK35, PIONEER 754012 and PIONEER 755169.

This table covers the gaskets that seal the Case. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

One part is listed for the 1991 Buick Regal — PIONEER 749109.

This table covers the Clutch Apply plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 8682801.

This table covers the Clutch Housing Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

This group shows a single part: GM GENUINE 24227685.

This table covers the pistons that apply a clutch pack. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 19368340.

This table covers the Clutch plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 8683084.

This table covers the clutch-plate packs inside the transmission or transfer case. Read more

This group shows a single part: RAYBESTOS POWERTRAIN RCP96050.

This table covers the Detent Cable clips. Read more

One part is listed for the 1991 Buick Regal — ATP YR100.

This table covers the seals at the Detent Cable. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Detent Cable Seal parts for the 1991 Buick Regal come from 2 brands — ATP and PIONEER.

Part numbers include ATP SO37 and PIONEER 760013.

This table covers the seals at the Dipstick / Fluid Filler Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 1259475.

This table covers the drive chains in the transfer case or oil pump. Read more

One part is listed for the 1991 Buick Regal — PIONEER 769002.

This table covers the Drive Sprocket bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 24214158.

This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for. Read more

11 Filter parts for the 1991 Buick Regal come from 6 brands — ATP, FAMOUS BRAND, VARIOUS MFR and 3 other brands. The "Popular" part is ATP JX150.

The Economy section lists 3 options from ATP, FAMOUS BRAND and VARIOUS MFR — the catalog's value-priced group. ATP TF72 is listed in this group.

In the Standard Replacement grade, ATP, HASTINGS / BALDWIN, PIONEER and 1 other brand supply 8 parts: built to original-equipment specification. A representative part number is ATP JX150.

This table covers the seals at the Filter. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

3 Filter Seal parts are listed for the 1991 Buick Regal, from ATP, GM GENUINE and PIONEER.

This group includes ATP JO100, GM GENUINE 8656613 and PIONEER 760008.

This table covers the flexplates that connect the crankshaft to the torque converter. Read more

2 Flexplate parts are listed for the 1991 Buick Regal, from ATP and PIONEER.

This group includes ATP Z214 and PIONEER FRA324.

This table covers the Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

4 Fluid Cooler Line / Hose parts for the 1991 Buick Regal come from 2 brands — DORMAN and SUNSONG.

This group includes DORMAN 624102, DORMAN 624103 and SUNSONG 5801161 and the remaining parts above.

This table covers the harness connectors at the Fluid Cooler Line / Hose. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

8 Fluid Cooler Line / Hose Connector parts are listed for the 1991 Buick Regal, from DORMAN, HAYDEN, FOUR SEASONS and 1 other brand. DORMAN 800755 carries the "Popular" badge.

Part numbers include DORMAN 800755, HAYDEN 397 and DORMAN 800754, among others listed above.

This table covers the Fluid Cooler O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: GM GENUINE 25533913.

This table covers the pans that hold automatic-transmission fluid. Read more

4 Fluid Pan parts are listed for the 1991 Buick Regal, from ATP, DORMAN, SKP and 1 other brand.

This group includes ATP 103012, DORMAN 265808 and SKP SK103012 and the remaining parts above.

This table covers the gaskets that seal the Fluid Pan. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

4 Fluid Pan Gasket parts for the 1991 Buick Regal come from 4 brands — ATP, FEL-PRO, PIONEER and 1 other brand.

Part numbers include ATP JG100, FEL-PRO TOS18668 and PIONEER 749017, among others listed above.

This table covers the Fluid Pan magnets. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 24239049.

This table covers the seals at the Fluid Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 1991 Buick Regal — SKF 17849.

This table covers the slides inside the transmission fluid pump. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 8662901.

This table covers the gasket kits for this job. Typical signs include the leaks that sent this assembly to the bench. Confirm the kit matches the opening you are sealing; unused leftover pieces often belong to another configuration. Read more

2 Gasket Kit parts are listed for the 1991 Buick Regal, from ATP and PIONEER.

Part numbers include ATP JG102 and PIONEER 748024.

This table covers the governors and modulators that control transmission shift pressure. Read more

5 Governor / Modulator parts for the 1991 Buick Regal come from 5 brands — ROSTRA, ATP, PIONEER and 2 other brands. The "Popular" part is ROSTRA 5100690000.

Part numbers include ROSTRA 5100690000, ATP JX70 and PIONEER 747017, among others listed above.

This table covers the seals at the Input Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 8656342.

This table covers the seals at the Manual Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

5 Manual Shaft Seal parts are listed for the 1991 Buick Regal, from NATIONAL, BCA, GM GENUINE and 2 other brands. NATIONAL 8792S carries the "Popular" badge.

Listed part numbers: NATIONAL 8792S, BCA NS8792S and GM GENUINE 8644709, plus the other parts above.

This table covers the wear sleeves used to restore a Output Shaft seal surface. Read more

6 Output Shaft Repair Sleeve parts for the 1991 Buick Regal come from 5 brands — SKF, NATIONAL, BCA and 2 other brands. The "Popular" part is NATIONAL 99139.

Part numbers include NATIONAL 99139 and BCA NS99139, among others listed above.

This table covers the seals at the Output Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

16 Output Shaft Seal parts for the 1991 Buick Regal come from 11 brands — TIMKEN, ATP, BCA and 8 other brands. The "Popular" part is ACDELCO 3543.

This table covers the Plug adapters. Read more

One part is listed for the 1991 Buick Regal — GM GENUINE 8654382.

This table covers the Pressure Switch manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone. Read more

One part is listed for the 1991 Buick Regal — PIONEER 772012.