2003 Acura RL 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

9 Alternator / Generator parts are listed for the 2003 Acura RL, from REMY, TYC, WAI GLOBAL and 5 other brands. TYC 213675 carries the "Popular" badge.

In the New grade, TYC, WAI GLOBAL and REMY supply 3 parts: brand-new units rather than rebuilt ones. A representative part number is TYC 213675.

In the Remanufactured grade, ACDELCO, BOSCH, FVP and 3 other brands supply 6 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3342038.

This group includes TYC 213675, WAI GLOBAL 13675N and REMY 94274 and the remaining parts 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

5 Battery parts for the 2003 Acura RL come from 3 brands — DEKA, FVP and EXIDE. The "Popular" part is DEKA 9A78DT.

Part numbers include DEKA 9A78DT, DEKA 9A34 and EXIDE MX24, among others listed above.

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

2 Battery Terminal parts for the 2003 Acura RL come from DEKA.

Listed part numbers: DEKA 00350 and DEKA 01056.

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

This group shows a single part: TRIDON / NOVITA EP34.

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

22 Fuse parts for the 2003 Acura RL come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is BUSSMANN ATC15.

In the 10 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATC10.

The 15 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC15 is listed in this group.

The 20 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC20 is listed in this group.

In the 30 Amp grade, BUSSMANN and LITTELFUSE supply 6 parts: 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 2 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FLD40 is listed in this group.

In the 50 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FLD50.

The 7.5 Amp section lists 3 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATC712ID is listed in this group.

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

13 Horn parts for the 2003 Acura RL come from FIAMM. The "Popular" part is FIAMM 7210223.

The Accessory Replacement section lists 7 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.

In the Standard Replacement grade, FIAMM supplies 6 parts: built to original-equipment specification. A representative part number is FIAMM 7201223.

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

One part is listed for the 2003 Acura RL — DORMAN 99375.

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

One part is listed for the 2003 Acura RL — DORMAN 13676.

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

4 Speed Sensor parts for the 2003 Acura RL come from 3 brands — WELLS, PIONEER and STANDARD MOTOR PRODUCTS.

Listed part numbers: PIONEER SPS1344, STANDARD MOTOR PRODUCTS SC377 and WELLS 5S4601, plus the other parts above.

This table covers the brushes inside the starter motor. Read more

2 Starter Brush parts for the 2003 Acura RL come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS RX142 and WELLS 5A1216.

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

7 Starter Motor parts are listed for the 2003 Acura RL, from WAI GLOBAL, ACDELCO, PURE ENERGY and 4 other brands. ACDELCO 3361557 carries the "Popular" badge.

New: 1 part, from WAI GLOBAL. A representative part number is WAI GLOBAL 17710N.

Remanufactured: 6 parts, from ACDELCO, PURE ENERGY, DENSO and 3 other brands. A representative part number is ACDELCO 3361557.

Part numbers include ACDELCO 3361557, WAI GLOBAL 17710N and PURE ENERGY 17275, among others listed above.

This table covers the regulators that control alternator output voltage. Read more

This group shows a single part: ACDELCO F655.