2023 Toyota Corolla 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

7 Alternator / Generator parts are listed for the 2023 Toyota Corolla, from PURE ENERGY, TERREPOWER, BOSCH and 3 other brands. PURE ENERGY 14084 carries the "Popular" badge.

This group includes PURE ENERGY 14084, TERREPOWER 42283 and BOSCH AL3408X 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

12 Battery parts for the 2023 Toyota Corolla come from 8 brands — FVP, MOTORCRAFT, DEKA and 5 other brands. The "Popular" part is FVP PLN1AGM.

In the AGM (Extended Life) grade, FVP, MOTORCRAFT, DEKA and 3 other brands supply 7 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is FVP PLN1AGM.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: 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 FT61047.

4 further parts sit outside the graded sections, with the same engine-level match.

This table covers the Battery Air filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for. Read more

This group shows a single part: WIX WP11024.

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

3 Battery Terminal parts for the 2023 Toyota Corolla come from 2 brands — DORMAN and AUTOTECNICA. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include AUTOTECNICA TY1318200, DORMAN 926515 and DORMAN 926516.

This table covers the Cruise Control Distance 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

This group shows a single part: VEMO V70720588.

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

4 Fuse parts for the 2023 Toyota Corolla come from BUSSMANN. Every part fits both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4.

This group includes BUSSMANN ATM3LP, BUSSMANN MPF2534X and BUSSMANN MPF2555X and the remaining parts above.

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

One part is listed for the 2023 Toyota Corolla — DORMAN 99710ST.

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

2 Speed Sensor parts for the 2023 Toyota Corolla come from STANDARD MOTOR PRODUCTS.

Listed part numbers: STANDARD MOTOR PRODUCTS SC816 and STANDARD MOTOR PRODUCTS SC819.

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

6 Starter Motor parts are listed for the 2023 Toyota Corolla, from WAI GLOBAL, PURE ENERGY, FVP and 3 other brands. PURE ENERGY 12796 carries the "Popular" badge.

In the New grade, WAI GLOBAL supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 31431N.

In the Remanufactured grade, PURE ENERGY, FVP, REMY and 1 other brand supply 4 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 12796.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This group includes PURE ENERGY 12796 and WAI GLOBAL 31431N and the remaining parts above.