2010 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 2010 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 Anti-Theft control modules. Read more

2 Anti-Theft Control Module parts for the 2010 Buick Lacrosse come from GM GENUINE.

Part numbers include 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 2010 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

6 Battery Cable parts are listed for the 2010 Buick Lacrosse, from GM GENUINE, STANDARD MOTOR PRODUCTS and ACDELCO. ACDELCO 2BC5 carries the "Popular" badge.

Part numbers include ACDELCO 2BC5, STANDARD MOTOR PRODUCTS A52FD and GM GENUINE 26679375, among others listed 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 2010 Buick Lacrosse, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include 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 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 2010 Buick Lacrosse — 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 engine-control modules that run fuel, spark and emissions. Read more

One part is listed for the 2010 Buick Lacrosse — GM GENUINE 12651993.

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

11 Fuse parts for the 2010 Buick Lacrosse come from 3 brands — LITTELFUSE, BUSSMANN and GM GENUINE. The "Popular" part is LITTELFUSE MIN15.

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.

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.

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 2010 Buick Lacrosse, from DORMAN and GM GENUINE.

This group includes DORMAN 956555, DORMAN 956430 and GM GENUINE 20815889.

This table covers the HID Lighting ballasts. Read more

2 HID Lighting Ballast parts are listed for the 2010 Buick Lacrosse, from AUTOTECNICA and DORMAN.

This group includes AUTOTECNICA GM1320421 and DORMAN 601069.

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

12 Horn parts for the 2010 Buick Lacrosse come from 2 brands — FIAMM and GM GENUINE. 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 GM GENUINE 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 2010 Buick Lacrosse — GM GENUINE 13503205.

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

9 Keyless Entry Remote parts are listed for the 2010 Buick Lacrosse, 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 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 2010 Buick Lacrosse, from GM GENUINE, STANDARD MOTOR PRODUCTS, TECHPRO and 1 other brand.

This group includes GM GENUINE 23202663, STANDARD MOTOR PRODUCTS PPS74 and TECHPRO GM1175109 and the remaining parts above.

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 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

17 Speed Sensor parts for the 2010 Buick Lacrosse come from 7 brands — GM GENUINE, DELPHI, HOLSTEIN and 4 other brands. The "Popular" part is HOLSTEIN 2VSS0155.

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

Standard Replacement: 15 parts, from GM GENUINE, DELPHI, NTK 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 2010 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

2 Speed Sensor Seal parts are listed for the 2010 Buick Lacrosse, from ACDELCO and GM GENUINE.

Part numbers include ACDELCO 24242676 and 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 2010 Buick Lacrosse, from PURE ENERGY, BOSCH, REMY and 7 other brands. PURE ENERGY 17997N carries the "Popular" badge.

New: 7 parts, from PURE ENERGY, TYC, WAI GLOBAL and 4 other brands. A representative part number is PURE ENERGY 17997N.

Remanufactured: 8 parts, from DENSO, ACDELCO, BOSCH 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.

This table covers the Yaw 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

This group shows a single part: GM GENUINE 13514501.