2016 Buick Lacrosse 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

12 Alternator / Generator parts are listed for the 2016 Buick Lacrosse, from PURE ENERGY, REMY, TERREPOWER and 6 other brands. TYC 211453 carries the "Popular" badge.

In the New grade, TYC, WAI GLOBAL, GM GENUINE and 4 other brands supply 7 parts: brand-new units rather than rebuilt ones. A representative part number is TYC 211453.

In the Remanufactured grade, TERREPOWER, ACDELCO, FVP and 2 other brands supply 5 parts: factory-rebuilt units with new wear components. A representative part number is TERREPOWER 11453.

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

This group shows a single part: CONTINENTAL 49968.

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

2 Anti-Theft Control Module parts for the 2016 Buick Lacrosse 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

7 Battery parts for the 2016 Buick Lacrosse come from 7 brands — DEKA, LUCAS, ACDELCO and 4 other brands. The "Popular" part is DEKA 9A48.

In the AGM (Extended Life) grade, DEKA, LUCAS, ACDELCO and 3 other brands supply 6 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 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 FT68048.

Part numbers include DEKA 9A48, LUCAS LBAGM004A and ACDELCO 48AGM, among others listed above.

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

5 Battery Cable parts are listed for the 2016 Buick Lacrosse, from GM GENUINE and STANDARD MOTOR PRODUCTS. GM GENUINE 26679375 carries the "Popular" badge.

Listed part numbers: GM GENUINE 26679375, GM GENUINE 20781417 and GM GENUINE 26679372, plus the other parts above.

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 2016 Buick Lacrosse, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

This group includes 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 2016 Buick Lacrosse — 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 2016 Buick Lacrosse.

Part numbers include 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 2016 Buick Lacrosse — 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 2016 Buick Lacrosse — GM GENUINE 22818730.

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

2 Circuit Breaker parts for the 2016 Buick Lacrosse come from 2 brands — 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 for the 2016 Buick Lacrosse come from 2 brands — DORMAN and GM GENUINE.

Part numbers include 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 2016 Buick Lacrosse — 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 2016 Buick Lacrosse — 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

10 Fuse parts for the 2016 Buick Lacrosse come from 2 brands — LITTELFUSE and BUSSMANN. The "Popular" part is LITTELFUSE MIN20.

In the 10 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE LMIN10.

The 15 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN15 is listed in this group.

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

The 20 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN20 is listed in this group.

In the 25 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE MIN25.

In the 30 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE JCAS30.

The 40 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE JCAS40 is listed in this group.

In the 5 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE MIN5.

In the 50 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE JCAS50.

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

3 Fuse Block parts are listed for the 2016 Buick Lacrosse, from 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

12 Horn parts for the 2016 Buick Lacrosse come from 2 brands — FIAMM and DORMAN. The "Popular" part is FIAMM 72112.

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 and DORMAN supply 6 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

One part is listed for the 2016 Buick Lacrosse — 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 2016 Buick Lacrosse, from GM GENUINE and DORMAN. GM GENUINE 13585206 carries the "Popular" badge.

Listed part numbers: GM GENUINE 13585206, GM GENUINE 13504205 and DORMAN 99121, plus the other 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 2016 Buick Lacrosse — VEMO V40670002.

This table covers the Park Assist (PAS) 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: ACDELCO 23262121.

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

4 Parking Aid Sensor parts are listed for the 2016 Buick Lacrosse, from GM GENUINE, STANDARD MOTOR PRODUCTS, TECHPRO and 1 other brand.

Part numbers include GM GENUINE 23202663, STANDARD MOTOR PRODUCTS PPS74 and TECHPRO GM1175109, among others listed above.

This table covers the brackets that mount the Parking Aid Sensor. 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 2016 Buick Lacrosse — GM GENUINE 90767667.

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 2016 Buick Lacrosse, 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

22 Speed Sensor parts for the 2016 Buick Lacrosse come from 8 brands — HOLSTEIN, GM GENUINE, NTK and 5 other brands. The "Popular" part is HOLSTEIN 2VSS0155.

The Economy section lists 6 options from HOLSTEIN and GPD — the catalog's value-priced group. HOLSTEIN 2VSS0155 is listed in this group.

Standard Replacement: 16 parts, from GM GENUINE, NTK, WELLS and 3 other brands. A representative part number is GM GENUINE 24060366.

This table covers the Speed Sensor Reluctor rings. Read more

4 Speed Sensor Reluctor Ring parts for the 2016 Buick Lacrosse 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 2016 Buick Lacrosse — 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

15 Starter Motor parts are listed for the 2016 Buick Lacrosse, from ACDELCO, BOSCH, PURE ENERGY and 7 other brands. ACDELCO 3371175 carries the "Popular" badge.

New: 8 parts, from ACDELCO, TYC, WAI GLOBAL and 5 other brands. A representative part number is ACDELCO 3371175.

Remanufactured: 7 parts, from ACDELCO, BOSCH, DENSO and 4 other brands. A representative part number is ACDELCO 3362088A.

This table covers the Starter Motor Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

This group shows a single part: GM GENUINE 12608820.