2004 Buick Lesabre 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

21 Alternator / Generator parts for the 2004 Buick Lesabre come from 8 brands — ACDELCO, REMY, TERREPOWER and 5 other brands. The "Popular" part is ACDELCO 3351084.

The New section lists 10 options from ACDELCO, WAI GLOBAL, REMY and 3 other brands — brand-new units rather than rebuilt ones. ACDELCO 3351084 is listed in this group.

The Remanufactured section lists 11 options from ACDELCO, FVP, PURE ENERGY and 3 other brands — factory-rebuilt units with new wear components. ACDELCO 3342859 is listed in this group.

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

One part is listed for the 2004 Buick Lesabre — GM GENUINE 10355946.

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

3 Automatic Headlamp Sensor parts are listed for the 2004 Buick Lesabre, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include GM GENUINE 13498958, STANDARD MOTOR PRODUCTS EFL172 and WELLS 5S7218.

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

2 Battery parts are listed for the 2004 Buick Lesabre, from DEKA and FULLRIVER.

The AGM (Extended Life) section lists 1 option from DEKA — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A78 is listed in this group.

The Performance AGM (Extended Life + Increased Power) section lists 1 option from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT82578 is listed in this group.

This group includes DEKA 9A78 and FULLRIVER FT82578.

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 2004 Buick Lesabre come from STANDARD MOTOR PRODUCTS.

Listed part numbers: STANDARD MOTOR PRODUCTS A202D, STANDARD MOTOR PRODUCTS A332L and STANDARD MOTOR PRODUCTS A522LTF, plus the other parts above.

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

One part is listed for the 2004 Buick Lesabre — DEKA 00351.

This table covers the covers that protect battery terminals. Read more

3 Battery Terminal Protector parts are listed for the 2004 Buick Lesabre, from GM GENUINE and DORMAN.

Listed part numbers: DORMAN 60300, GM GENUINE 12010050 and GM GENUINE 19119011.

This table covers the Battery Vent tubes. Read more

3 Battery Vent Tube parts for the 2004 Buick Lesabre come from 3 brands — DORMAN, GM GENUINE and SKP.

Part numbers include DORMAN 924252, GM GENUINE 25720112 and SKP SK924252.

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

2 Circuit Breaker parts are listed for the 2004 Buick Lesabre, from BUSSMANN and LITTELFUSE.

Listed part numbers: BUSSMANN CB21230 and LITTELFUSE MIB30.

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

This group shows a single part: GM GENUINE 12583827.

This table covers the flasher units that blink the turn signals and hazards. Read more

One part is listed for the 2004 Buick Lesabre — TRIDON / NOVITA LM442.

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 2004 Buick Lesabre, from BUSSMANN and LITTELFUSE. BUSSMANN ATM10 carries the "Popular" badge. Grades run from 10 Amp through 50 Amp; 20 Amp is the most populated section, led by BUSSMANN and LITTELFUSE.

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

13 Horn parts are listed for the 2004 Buick Lesabre, from FIAMM 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 7 options from FIAMM and GM GENUINE — built to original-equipment specification. FIAMM 7200223 is listed in this group.

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

This group shows a single part: DORMAN 13638.

This table covers the powertrain-control modules that run engine and transmission. Read more

2 Powertrain Control Module (PCM) parts are listed for the 2004 Buick Lesabre, from ACDELCO and CARDONE.

This group includes ACDELCO 21812378 and CARDONE 773827F.

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 2004 Buick Lesabre, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, DORMAN and 10 other brands. SKP SK917644 carries the "Popular" badge.

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 2004 Buick Lesabre — 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

2 Starter Bolt parts for the 2004 Buick Lesabre come from 2 brands — DORMAN and GM GENUINE.

This group includes DORMAN 72004 and GM GENUINE 11610633.

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

13 Starter Motor parts for the 2004 Buick Lesabre come from 8 brands — PURE ENERGY, REMY, ACDELCO and 5 other brands. The "Popular" part is PURE ENERGY 6484MSN.

The New section: 6 options from PURE ENERGY, REMY, ACDELCO and 3 other brands. PURE ENERGY 6484MSN is listed in this group.

The Remanufactured section: 7 options from GM GENUINE, ACDELCO, BOSCH and 4 other brands. GM GENUINE 3231627 is listed in this group.