2006 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

16 Alternator / Generator parts for the 2006 Buick Lacrosse come from 8 brands — REMY, ACDELCO, TERREPOWER and 5 other brands. The "Popular" part is ACDELCO 3351274. 1 part fits every engine; the other 15 are engine-specific.

The New section lists 8 options from ACDELCO, REMY, TYC and 3 other brands — brand-new units rather than rebuilt ones. ACDELCO 3351274 is listed in this group.

The Remanufactured section lists 8 options from REMY, TERREPOWER, ACDELCO and 3 other brands — factory-rebuilt units with new wear components. ACDELCO 3342993 is listed in this group.

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

One part is listed for the 2006 Buick Lacrosse — BOSCH 1986AE1308.

This table covers the Automatic Headlamp 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

4 Automatic Headlamp Sensor parts are listed for the 2006 Buick Lacrosse, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS. 3 parts fit every engine; the other 1 is engine-specific.

Part numbers include GM GENUINE 13498958, GM GENUINE 13498957 and STANDARD MOTOR PRODUCTS EFL172, among others listed 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

8 Battery parts are listed for the 2006 Buick Lacrosse, from DEKA, FULLRIVER, FVP and 3 other brands. DEKA 9A78DT carries the "Popular" badge. 6 parts fit every engine; the other 2 are engine-specific.

The AGM (Extended Life) section lists 6 options from DEKA, FVP, ACDELCO and 2 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A78DT 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 FT82534 is listed in this group.

Listed part numbers: DEKA 9A78DT, DEKA 9A34 and FVP 34AGMG, plus the other parts 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 for the 2006 Buick Lacrosse come from 3 brands — ACDELCO, GM GENUINE and STANDARD MOTOR PRODUCTS. The "Popular" part is ACDELCO 4BC55. Every part fits both the 3.6L V6 and the 3.8L V6.

This group includes ACDELCO 4BC55, ACDELCO 4BC49 and GM GENUINE 88987141 and the remaining 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

2 Battery Current Sensor parts for the 2006 Buick Lacrosse come from 2 brands — GM GENUINE and WELLS. Every part fits both the 3.6L V6 and the 3.8L V6.

Listed part numbers: GM GENUINE 13505369 and WELLS 5S6706.

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

DEKA supplies both parts for the 2006 Buick Lacrosse. All of them fit every engine offered in the 2006 Lacrosse.

This group includes DEKA 00350 and DEKA 01056.

This table covers the Battery Terminal Bolt nuts. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS BP119.

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

2 Engine Control Module (ECM Computer) parts for the 2006 Buick Lacrosse come from GM GENUINE.

Listed part numbers: GM GENUINE 19260507 and GM GENUINE 12600930.

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

28 Fuse parts are listed for the 2006 Buick Lacrosse, from BUSSMANN and LITTELFUSE. BUSSMANN ATM10 carries the "Popular" badge. Grades run from 10 Amp through 50 Amp; 10 Amp is the most populated section, led by LITTELFUSE and BUSSMANN.

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

13 Horn parts are listed for the 2006 Buick Lacrosse, from FIAMM and GM GENUINE. FIAMM 72112 carries the "Popular" badge. All of them fit every engine offered in the 2006 Lacrosse.

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 7 options from FIAMM and GM GENUINE — built to original-equipment specification. FIAMM 7200223 is listed in this group.

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

4 Keyless Entry Remote parts for the 2006 Buick Lacrosse come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS. Every part fits both the 3.6L V6 and the 3.8L V6.

Part numbers include GM GENUINE 22733523, GM GENUINE 15252034 and GM GENUINE 22733524, among others listed above.

This table covers the replacement shells for the key fob. Read more

3 Keyless Entry Remote Case parts for the 2006 Buick Lacrosse come from DORMAN. Every part fits both the 3.6L V6 and the 3.8L V6.

This group includes DORMAN 13636, DORMAN 13624 and DORMAN 13636US.

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

This group shows a single part: WELLS 5S7923.

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 are listed for the 2006 Buick Lacrosse, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, DORMAN and 10 other brands. SKP SK917644 carries the "Popular" badge. 20 parts fit every engine; the other 2 are engine-specific.

In the Economy grade, DORMAN, HOLSTEIN, SKP and 3 other brands supply 8 parts: the catalog's value-priced group. A representative part number is SKP SK917644.

In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 24091045.

The Standard Replacement section: 13 options from GM GENUINE, DELPHI, STANDARD MOTOR PRODUCTS and 5 other brands. ACDELCO 2134666 is listed in this group.

This table covers the Speed Sensor Reluctor Thrust washers. Read more

One part is listed for the 2006 Buick Lacrosse — GM GENUINE 24230403.

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 10475299.

This table covers the Starter bolts. Read more

3 Starter Bolt parts for the 2006 Buick Lacrosse come from 2 brands — GM GENUINE and DORMAN.

Listed part numbers: DORMAN 72004, GM GENUINE 11610633 and GM GENUINE 11610786.

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

22 Starter Motor parts for the 2006 Buick Lacrosse come from 10 brands — PURE ENERGY, REMY, ACDELCO and 7 other brands. The "Popular" part is PURE ENERGY 6484MSN.

The New section: 9 options from WAI GLOBAL, PURE ENERGY, REMY and 5 other brands. PURE ENERGY 6484MSN is listed in this group.

The Remanufactured section: 13 options from ACDELCO, FVP, PURE ENERGY and 5 other brands. GM GENUINE 3231627 is listed in this group.