2016 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

11 Alternator / Generator parts for the 2016 Buick Regal come from 9 brands — GM GENUINE, PURE ENERGY, TYC and 6 other brands. The "Popular" part is GM GENUINE 19432303.

The New section lists 5 options from GM GENUINE, TYC, PURE ENERGY and 1 other brand — brand-new units rather than rebuilt ones. GM GENUINE 19432303 is listed in this group.

The Remanufactured section lists 6 options from ACDELCO, BOSCH, FVP and 3 other brands — factory-rebuilt units with new wear components. ACDELCO 3342944A is listed in this group.

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

GM GENUINE supplies both parts for the 2016 Buick Regal.

Listed part numbers: 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

11 Battery parts are listed for the 2016 Buick Regal, from DEKA, LUCAS, EXIDE and 3 other brands. DEKA 9A48 carries the "Popular" badge.

The AGM (Extended Life) section lists 9 options from DEKA, LUCAS, EXIDE and 2 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A48 is listed in this group.

The Performance AGM (Extended Life + Increased Power) section lists 2 options from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT61047 is listed in this group.

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

4 Battery Cable parts for the 2016 Buick Regal come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

Listed part numbers: GM GENUINE 84004725, GM GENUINE 20781417 and STANDARD MOTOR PRODUCTS A172T, 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 are listed for the 2016 Buick Regal, from 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 for the 2016 Buick Regal come from 3 brands — 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

One part is listed for the 2016 Buick Regal — TECHPRO GM2995119.

This table covers the Battery Vent tubes. Read more

This group shows a single part: 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

2 Blind Spot Detection Sensor parts for the 2016 Buick Regal come from WELLS.

This group includes WELLS 5S16714 and WELLS 5S16716.

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

This group shows a single part: 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

This group shows a single part: GM GENUINE 22818730.

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

2 Circuit Breaker parts are listed for the 2016 Buick Regal, from BUSSMANN and GM GENUINE.

This group includes BUSSMANN CB21225 and 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 are listed for the 2016 Buick Regal, from 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

This group shows a single part: 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

This group shows a single part: 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

BUSSMANN supplies both parts for the 2016 Buick Regal.

In the 125 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "125 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN EV25125.

In the 2 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "2 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM2.

This group includes BUSSMANN EV25125 and BUSSMANN ATM2.

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

3 Fuse Block parts for the 2016 Buick Regal come from 2 brands — DORMAN and GM GENUINE.

Listed part numbers: 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 are listed for the 2016 Buick Regal, from FIAMM, DORMAN and GM GENUINE. FIAMM 72112 carries the "Popular" badge.

In the Accessory Replacement grade, FIAMM supplies 6 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 72112.

The Standard Replacement section lists 5 options from FIAMM, DORMAN and GM GENUINE — built to original-equipment specification. FIAMM 7200223 is listed in this group.

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

2 Keyless Entry Module / Receiver parts for the 2016 Buick Regal come from GM GENUINE.

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 for the 2016 Buick Regal come from 2 brands — GM GENUINE and DORMAN. The "Popular" part is GM GENUINE 13585206.

Part numbers include GM GENUINE 13585206, GM GENUINE 13504205 and DORMAN 99121, among others listed 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

This group shows a single part: 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

12 Parking Aid Sensor parts for the 2016 Buick Regal come from 8 brands — STANDARD MOTOR PRODUCTS, GM GENUINE, SKP and 5 other brands. The "Popular" part is BOSCH 0263043552.

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

One part is listed for the 2016 Buick Regal — 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

This group shows a single part: DORMAN 601472.

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

28 Speed Sensor parts are listed for the 2016 Buick Regal, from HOLSTEIN, DELPHI, GM GENUINE and 7 other brands. HOLSTEIN 2VSS0155 carries the "Popular" badge. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 20 parts from DELPHI, GM GENUINE, NTK and 3 other brands.

This table covers the Speed Sensor Reluctor rings. Read more

GM GENUINE supplies the 4 Speed Sensor Reluctor Ring parts for the 2016 Buick Regal.

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

This group shows a single part: 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

16 Starter Motor parts for the 2016 Buick Regal come from 11 brands — ACDELCO, PURE ENERGY, REMY and 8 other brands. The "Popular" part is ACDELCO 3371134.

The New section: 7 options from ACDELCO, GM GENUINE, TYC and 4 other brands. ACDELCO 3371134 is listed in this group.

The Remanufactured section: 8 options from ACDELCO, BOSCH, DENSO and 5 other brands. ACDELCO 3362148A is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.