2003 Hyundai Sonata 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

27 Alternator / Generator parts are listed for the 2003 Hyundai Sonata, from REMY, TERREPOWER, PURE ENERGY and 7 other brands. HL MANDO 11A1064 carries the "Popular" badge. They are grouped as New and Remanufactured, with Remanufactured the largest group at 16 parts from REMY, FVP, PURE ENERGY and 3 other brands.

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

This group shows a single part: VEMO V52230002.

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

This group shows a single part: FULLRIVER FT75035.

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

One part is listed for the 2003 Hyundai Sonata — STANDARD MOTOR PRODUCTS A334TLA.

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

2 Battery Terminal parts for the 2003 Hyundai Sonata come from DEKA. Every part fits both the 2.4L L4 and the 2.7L V6.

This group includes DEKA 00350 and DEKA 01056.

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

3 Flasher parts for the 2003 Hyundai Sonata come from 3 brands — STANDARD MOTOR PRODUCTS, TRIDON / NOVITA and WELLS. Every part fits both the 2.4L L4 and the 2.7L V6.

Part numbers include STANDARD MOTOR PRODUCTS RY751, TRIDON / NOVITA EP34 and WELLS 1R2256.

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

25 Fuse parts for the 2003 Hyundai Sonata come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is BUSSMANN ATM10. Every part fits both the 2.4L L4 and the 2.7L V6.

In the 10 Amp grade, LITTELFUSE and BUSSMANN supply 5 parts: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM10.

In the 120 Amp grade, BUSSMANN and LITTELFUSE supply 2 parts: grouped under the catalog's "120 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FLM120.

The 15 Amp section lists 4 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM15 is listed in this group.

The 20 Amp section lists 4 options from BUSSMANN and LITTELFUSE — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM20 is listed in this group.

In the 25 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM25.

In the 30 Amp grade, BUSSMANN and LITTELFUSE supply 5 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM30.

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 FLS40 is listed in this group.

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

49 Speed Sensor parts for the 2003 Hyundai Sonata come from 18 brands — HOLSTEIN, AUTOTECNICA, BECK/ARNLEY and 15 other brands. The "Popular" part is HOLSTEIN 2VSS0006. Economy and Standard Replacement are all represented, and Economy alone accounts for 29 parts.

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

26 Starter Motor parts are listed for the 2003 Hyundai Sonata, from PURE ENERGY, REMY, TERREPOWER and 10 other brands. HL MANDO 12A1382 carries the "Popular" badge. Grades run from New through Remanufactured; New is the most populated section, led by ULTRA-POWER, DENSO, WAI GLOBAL and 10 other brands.

This table covers the Starter solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

2 Starter Solenoid parts are listed for the 2003 Hyundai Sonata, from STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS SS795 and WELLS 1M1433.

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

2 Voltage Regulator parts for the 2003 Hyundai Sonata come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

This group includes STANDARD MOTOR PRODUCTS VR779 and WELLS 1V1404.