1991 Buick Regal Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

18 Alternator / Generator parts are listed for the 1991 Buick Regal, from REMY, TERREPOWER, ACDELCO and 4 other brands. ACDELCO 3351018 carries the "Popular" badge.

In the New grade, ACDELCO, WAI GLOBAL, REMY and 3 other brands supply 10 parts: brand-new units rather than rebuilt ones. A representative part number is ACDELCO 3351018.

In the Remanufactured grade, PURE ENERGY, REMY, TERREPOWER and 2 other brands supply 8 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3342374A.

This table covers the Alternator / Generator bolts. Read more

This group shows a single part: GM GENUINE 11500921.

This table covers the brushes inside the alternator. Read more

STANDARD MOTOR PRODUCTS supplies the 3 Alternator / Generator Brush parts for the 1991 Buick Regal. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: STANDARD MOTOR PRODUCTS RX145, STANDARD MOTOR PRODUCTS RX144 and STANDARD MOTOR PRODUCTS RX154.

This table covers the holders that carry the alternator brushes. Read more

2 Alternator / Generator Brush Holder parts are listed for the 1991 Buick Regal, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 1991 Regal.

This group includes STANDARD MOTOR PRODUCTS RX131 and WELLS 5A1040.

This table covers the rectifier diode packs in the alternator. Read more

One part is listed for the 1991 Buick Regal — STANDARD MOTOR PRODUCTS D67.

This table covers the bearings in the alternator housing. 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

4 Alternator / Generator End Bearing parts for the 1991 Buick Regal come from 4 brands — WJB / INMOTION PARTS, ACDELCO, BCA and 1 other brand. Every part fits both the 3.1L V6 and the 3.8L V6.

The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB62032RS is listed in this group.

In the Standard Replacement grade, ACDELCO, BCA and NATIONAL supply 3 parts: built to original-equipment specification. A representative part number is ACDELCO 203FF.

Listed part numbers: WJB / INMOTION PARTS RB62032RS, ACDELCO 203FF and BCA NB203FF, plus the other parts above.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

2 Battery parts for the 1991 Buick Regal come from 2 brands — BOSCH and FULLRIVER.

In the AGM (Extended Life) grade, BOSCH supplies 1 part: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is BOSCH S675DT.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT61047.

This group includes BOSCH S675DT and FULLRIVER FT61047.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

11 Battery Cable parts are listed for the 1991 Buick Regal, from DEKA, UNITED MOTOR PRODUCTS and STANDARD MOTOR PRODUCTS. DEKA 00303 carries the "Popular" badge. 3 parts fit every engine; the other 8 are engine-specific.

This table covers the clamps and brackets that secure the battery. Read more

One part is listed for the 1991 Buick Regal — DORMAN 390030.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

This group shows a single part: DEKA 00351.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS BR34.

This table covers the Cruise control modules. Read more

One part is listed for the 1991 Buick Regal — BSE CM4003.

This table covers the servos that hold throttle for cruise control. Read more

This group shows a single part: BSE CS2500.

This table covers the engine-control modules that run fuel, spark and emissions. Read more

5 Engine Control Module (ECM Computer) parts are listed for the 1991 Buick Regal, from BSE, GM GENUINE and CARDONE.

This group includes BSE EM7727, BSE EM2792 and CARDONE 772792 and the remaining parts above.

This table covers the flasher units that blink the turn signals and hazards. Read more

7 Flasher parts for the 1991 Buick Regal come from 4 brands — STANDARD MOTOR PRODUCTS, TRIDON / NOVITA, WELLS and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS EFL552. Every part fits both the 3.1L V6 and the 3.8L V6.

Listed part numbers: STANDARD MOTOR PRODUCTS EFL552, STANDARD MOTOR PRODUCTS EFL1 and BUSSMANN 232, plus the other parts above.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

21 Fuse parts for the 1991 Buick Regal come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is BUSSMANN ATC10. Every part fits both the 3.1L V6 and the 3.8L V6.

In the 10 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC10.

The 15 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC15 is listed in this group.

The 20 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC20 is listed in this group.

In the 25 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC25.

In the 30 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FLF30.

In the 5 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC5.

In the 50 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FLF50.

The 60 Amp section lists 2 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FLF60 is listed in this group.

This table covers the horns mounted in the front of the vehicle. Read more

16 Horn parts for the 1991 Buick Regal come from 5 brands — FIAMM, STANDARD MOTOR PRODUCTS, ACDELCO and 2 other brands. The "Popular" part is FIAMM 72112. Every part fits both the 3.1L V6 and the 3.8L V6.

The Accessory Replacement section lists 6 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 72112 is listed in this group.

Standard Replacement: 10 parts, from FIAMM, STANDARD MOTOR PRODUCTS, ACDELCO and 2 other brands. A representative part number is FIAMM 7200223.

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor. Read more

This group shows a single part: WELLS 5S4621.

This table covers the seals at the Speed Sensor. 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 10475299.

This table covers the Starter bolts. Read more

2 Starter Bolt parts are listed for the 1991 Buick Regal, from DORMAN and GM GENUINE. All of them fit every engine offered in the 1991 Regal.

This group includes DORMAN 72004 and GM GENUINE 11610633.

This table covers the brushes inside the starter motor. Read more

This group shows a single part: WELLS 5A1010.

This table covers the Starter bushings. 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

3 Starter Bushing parts for the 1991 Buick Regal come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: STANDARD MOTOR PRODUCTS X5256, STANDARD MOTOR PRODUCTS X5452 and WELLS 7A1005.

This table covers the starter drives that engage the flywheel ring gear. Read more

5 Starter Drive parts for the 1991 Buick Regal come from 3 brands — STANDARD MOTOR PRODUCTS, FAMOUS BRAND and WELLS.

Part numbers include FAMOUS BRAND SDC1009, STANDARD MOTOR PRODUCTS SDN180 and STANDARD MOTOR PRODUCTS SDN239, among others listed above.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

25 Starter Motor parts are listed for the 1991 Buick Regal, from ACDELCO, PURE ENERGY, FVP and 4 other brands. ACDELCO 3371008 carries the "Popular" badge.

New: 13 parts, from ACDELCO, PURE ENERGY, FVP and 4 other brands. A representative part number is ACDELCO 3371008.

Remanufactured: 12 parts, from ACDELCO, FVP, PURE ENERGY and 3 other brands. A representative part number is ACDELCO 3361138A.

This table covers the Starter solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

6 Starter Solenoid parts are listed for the 1991 Buick Regal, from STANDARD MOTOR PRODUCTS and WELLS. WELLS 1M1028A carries the "Popular" badge. 4 parts fit every engine; the other 2 are engine-specific.

Economy: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS SS251T.

The Standard Replacement section: 5 options from WELLS and STANDARD MOTOR PRODUCTS. WELLS 1M1028A is listed in this group.

Part numbers include WELLS 1M1028A, STANDARD MOTOR PRODUCTS SS251T and WELLS 1M1028, among others listed above.

This table covers the regulators that control alternator output voltage. Read more

4 Voltage Regulator parts for the 1991 Buick Regal come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS VR472, STANDARD MOTOR PRODUCTS VR431 and WELLS 1V1060, among others listed above.