2003 Buick Park Avenue 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

10 Alternator / Generator parts are listed for the 2003 Buick Park Avenue, from TERREPOWER, ACDELCO, REMY and 3 other brands. ACDELCO 3351088 carries the "Popular" badge. All of them fit every engine offered in the 2003 Park Avenue.

In the New grade, ACDELCO, WAI GLOBAL, REMY and 1 other brand supply 4 parts: brand-new units rather than rebuilt ones. A representative part number is ACDELCO 3351088.

In the Remanufactured grade, TERREPOWER, ACDELCO, FVP and 2 other brands supply 6 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3342797A.

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 2003 Buick Park Avenue come from 6 brands — FULLRIVER, ACDELCO, FVP and 3 other brands. The "Popular" part is ACDELCO 34XAGM. 4 parts fit every engine; the other 3 are engine-specific.

In the AGM (Extended Life) grade, ACDELCO, FVP, DEKA and 2 other brands supply 5 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 34XAGM.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 2 parts: 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 FT82534.

This group includes ACDELCO 34XAGM, FVP 34AGMG and DEKA 9A34 and the remaining 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

5 Battery Cable parts are listed for the 2003 Buick Park Avenue, from STANDARD MOTOR PRODUCTS and DEKA. DEKA 00240 carries the "Popular" badge. All of them fit every engine offered in the 2003 Park Avenue.

Listed part numbers: DEKA 00240, DEKA 00307 and STANDARD MOTOR PRODUCTS A364LTF, plus the other parts above.

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

2 Battery Terminal parts for the 2003 Buick Park Avenue come from DEKA. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.

Listed part numbers: DEKA 00350 and DEKA 01056.

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

4 Circuit Breaker parts for the 2003 Buick Park Avenue come from 2 brands — BUSSMANN and LITTELFUSE. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.

In the 25 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN CB21225.

In the 30 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN CB21230.

Listed part numbers: BUSSMANN CB21225, LITTELFUSE MIB25 and BUSSMANN CB21230, plus the other parts above.

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

2 Flasher parts for the 2003 Buick Park Avenue come from 2 brands — FAMOUS BRAND and WELLS. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.

This group includes FAMOUS BRAND FCA1018 and WELLS 1R2262.

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

35 Fuse parts for the 2003 Buick Park Avenue come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is BUSSMANN ATM10. Grades run from 10 Amp through 60 Amp; 30 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

12 Horn parts for the 2003 Buick Park Avenue come from 2 brands — FIAMM and GM GENUINE. The "Popular" part is FIAMM 72112. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.

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 powertrain-control modules that run engine and transmission. Read more

2 Powertrain Control Module (PCM) parts for the 2003 Buick Park Avenue come from 2 brands — ACDELCO and CARDONE. Every part fits both the 3.8L V6 and the 3.8L V6 Supercharged.

This group includes ACDELCO 21812377 and CARDONE 773826F.

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 2003 Buick Park Avenue come from 13 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, DORMAN and 10 other brands. The "Popular" part is SKP SK917644. 21 parts fit every engine; the other 1 is engine-specific.

The Economy section lists 8 options from DORMAN, HOLSTEIN, SKP and 3 other brands — the catalog's value-priced group. SKP SK917644 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 24091045 is listed in this group.

Standard Replacement: 13 parts, from GM GENUINE, DELPHI, STANDARD MOTOR PRODUCTS and 5 other brands. A representative part number is ACDELCO 2134666.

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

This group shows a single part: 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

One part is listed for the 2003 Buick Park Avenue — GM GENUINE 10475299.

This table covers the Starter bolts. Read more

2 Starter Bolt parts are listed for the 2003 Buick Park Avenue, from DORMAN and GM GENUINE. All of them fit every engine offered in the 2003 Park Avenue.

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 are listed for the 2003 Buick Park Avenue, from PURE ENERGY, REMY, ACDELCO and 5 other brands. PURE ENERGY 6484MSN carries the "Popular" badge.

New: 7 parts, from PURE ENERGY, REMY, TYC and 4 other brands. A representative part number is PURE ENERGY 6484MSN.

Remanufactured: 6 parts, from ACDELCO, BOSCH, FVP and 3 other brands. A representative part number is ACDELCO 3361924A.

This table covers the Wiring Harness clips. Read more

DORMAN supplies both parts for the 2003 Buick Park Avenue.

Listed part numbers: DORMAN 700365 and DORMAN 963058.