2015 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

29 Alternator / Generator parts are listed for the 2015 Buick Regal, from PURE ENERGY, GM GENUINE, WAI GLOBAL and 7 other brands. GM GENUINE 13592810 carries the "Popular" badge. Grades run from New through Remanufactured; Remanufactured is the most populated section, led by BOSCH, PURE ENERGY, REMY and 3 other brands.

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

3 Alternator / Generator Pulley parts for the 2015 Buick Regal come from 3 brands — DORMAN, GM GENUINE and LITENS.

Listed part numbers: DORMAN 300422, GM GENUINE 12660100 and LITENS 920034A.

This table covers the Anti-Theft control modules. Read more

2 Anti-Theft Control Module parts for the 2015 Buick Regal come from GM GENUINE.

This group includes GM GENUINE 13523276 and GM GENUINE 13523275.

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

12 Battery parts for the 2015 Buick Regal come from 7 brands — DEKA, LUCAS, EXIDE and 4 other brands. The "Popular" part is DEKA 9A48.

In the AGM (Extended Life) grade, DEKA, LUCAS, EXIDE and 3 other brands supply 10 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A48.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 2 parts: 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 FT68048.

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

6 Battery Cable parts are listed for the 2015 Buick Regal, from STANDARD MOTOR PRODUCTS, GM GENUINE and ACDELCO. ACDELCO 2BC5 carries the "Popular" badge.

Listed part numbers: ACDELCO 2BC5, GM GENUINE 23133669 and GM GENUINE 20781417, plus the other parts above.

This table covers the Battery Cooling fans. Typical signs include overheating at idle, a fan that never comes on, or a blade that hits the shroud. Confirm the fan command and the relay before replacing the assembly. Read more

2 Battery Cooling Fan parts for the 2015 Buick Regal come from 2 brands — FOUR SEASONS and GPD.

Listed part numbers: FOUR SEASONS 76802 and GPD 2312074.

This table covers the Battery Current sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

3 Battery Current Sensor parts are listed for the 2015 Buick Regal, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: GM GENUINE 13505369, STANDARD MOTOR PRODUCTS SBC111 and WELLS 5S6706.

This table covers the trays the battery sits in. Read more

This group shows a single part: TECHPRO GM2995119.

This table covers the Battery Vent tubes. Read more

One part is listed for the 2015 Buick Regal — GM GENUINE 22868234.

This table covers the Blind Spot Detection sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

WELLS supplies both parts for the 2015 Buick Regal.

This group includes WELLS 5S16714 and WELLS 5S16716.

This table covers the body-control modules that run lighting, locks and wipers. Read more

One part is listed for the 2015 Buick Regal — GM GENUINE 13534184.

This table covers the brackets that mount the Body Control Module (BCM). Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2015 Buick Regal — GM GENUINE 22818730.

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

This group shows a single part: GM GENUINE 19116527.

This table covers the Cruise Control Distance sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Cruise Control Distance Sensor parts for the 2015 Buick Regal come from 2 brands — DORMAN and GM GENUINE.

Listed part numbers: DORMAN 601760 and GM GENUINE 13442495.

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

One part is listed for the 2015 Buick Regal — GM GENUINE 12653998.

This table covers the brackets that mount the Engine Control Module (ECM Computer). Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2015 Buick Regal — GM GENUINE 22859944.

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

2 Fuse parts for the 2015 Buick Regal come from 2 brands — BUSSMANN and GM GENUINE.

The 2 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "2 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM2 is listed in this group.

In the 300 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "300 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 13289598.

Part numbers include BUSSMANN ATM2 and GM GENUINE 13289598.

This table covers the fuse blocks that hold this vehicle's fuses. Read more

3 Fuse Block parts are listed for the 2015 Buick Regal, from DORMAN and GM GENUINE.

Part numbers include DORMAN 956555, DORMAN 956430 and GM GENUINE 20815889.

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

11 Horn parts for the 2015 Buick Regal come from 3 brands — FIAMM, DORMAN and GM GENUINE. The "Popular" part is FIAMM 72112. 9 parts fit every engine; the other 2 are engine-specific.

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.

In the Standard Replacement grade, FIAMM, DORMAN and GM GENUINE supply 5 parts: built to original-equipment specification. A representative part number is FIAMM 7200223.

This table covers the receivers that pick up the key-fob unlock signal. Read more

GM GENUINE supplies both parts for the 2015 Buick Regal.

Listed part numbers: GM GENUINE 13597910 and GM GENUINE 13523343.

This table covers the key fobs that lock, unlock and start the vehicle. Read more

9 Keyless Entry Remote parts are listed for the 2015 Buick Regal, from GM GENUINE and DORMAN. GM GENUINE 13585206 carries the "Popular" badge.

This group includes GM GENUINE 13585206, GM GENUINE 13504205 and DORMAN 99121 and the remaining parts above.

This table covers the Lane Departure Camera modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

One part is listed for the 2015 Buick Regal — VEMO V40670002.

This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

10 Parking Aid Sensor parts are listed for the 2015 Buick Regal, from SKP, WELLS, BOSCH and 5 other brands. BOSCH 0263043552 carries the "Popular" badge.

This table covers the totally-integrated power modules that distribute body electrical power. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

This group shows a single part: GM GENUINE 13599326.

This table covers the Side Object Sensor modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

3 Side Object Sensor Module parts are listed for the 2015 Buick Regal, from GM GENUINE and DORMAN.

Part numbers include DORMAN 601472, GM GENUINE 84007647 and GM GENUINE 42450157.

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

29 Speed Sensor parts for the 2015 Buick Regal come from 10 brands — DELPHI, GM GENUINE, NTK and 7 other brands. The "Popular" part is DELPHI SS12244. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by DELPHI, GM GENUINE, NTK and 3 other brands.

This table covers the Speed Sensor Reluctor rings. Read more

4 Speed Sensor Reluctor Ring parts for the 2015 Buick Regal come from GM GENUINE.

Part numbers include GM GENUINE 24230744, GM GENUINE 24232557 and GM GENUINE 24223802, among others listed above.

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 2015 Buick Regal — GM GENUINE 24234865.

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

31 Starter Motor parts are listed for the 2015 Buick Regal, from REMY, TERREPOWER, WAI GLOBAL and 9 other brands. ACDELCO 3371134 carries the "Popular" badge. They are grouped as New and Remanufactured, with New the largest group at 15 parts from WAI GLOBAL, GM GENUINE, TYC and 6 other brands.