2021 Toyota Avalon 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

14 Alternator / Generator parts for the 2021 Toyota Avalon come from 7 brands — PURE ENERGY, REMY, TERREPOWER and 4 other brands. The "Popular" part is TYC 211977.

The New section lists 3 options from TYC and WAI GLOBAL — brand-new units rather than rebuilt ones. TYC 211977 is listed in this group.

The Remanufactured section lists 11 options from PURE ENERGY, REMY, TERREPOWER and 2 other brands — factory-rebuilt units with new wear components. BOSCH AL3404X is listed in this group.

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

3 Alternator / Generator Pulley parts are listed for the 2021 Toyota Avalon, from ACKOJA, CONTINENTAL and LITENS.

This group includes ACKOJA A70230008, CONTINENTAL 49998 and LITENS 920085A.

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

13 Battery parts are listed for the 2021 Toyota Avalon, from DEKA, FVP, LUCAS and 4 other brands. DEKA 9A47 carries the "Popular" badge.

The AGM (Extended Life) section lists 11 options from DEKA, FVP, LUCAS and 3 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A47 is listed in this group.

The Performance AGM (Extended Life + Increased Power) section lists 2 options from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT61047 is listed in this group.

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

One part is listed for the 2021 Toyota Avalon — WIX WP11026.

This table covers the Battery Current 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: STANDARD MOTOR PRODUCTS BSC124.

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

One part is listed for the 2021 Toyota Avalon — BECK/ARNLEY 2060001.

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

BUSSMANN supplies the 3 Fuse parts for the 2021 Toyota Avalon. All of them fit every engine offered in the 2021 Avalon.

This group includes BUSSMANN MPF2534X, BUSSMANN MPF2555X and BUSSMANN MPF2444X.

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

One part is listed for the 2021 Toyota Avalon — HELLA 012010901.

This table covers the ultrasonic park-aid sensors in the bumper. 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 Parking Aid Sensor parts for the 2021 Toyota Avalon come from 2 brands — VEMO and TECHPRO. Every part fits all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6).

Part numbers include TECHPRO TO1075110, VEMO V70720453 and VEMO V70720464.

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

One part is listed for the 2021 Toyota Avalon — STANDARD MOTOR PRODUCTS SC758.

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

15 Starter Motor parts for the 2021 Toyota Avalon come from 8 brands — BOSCH, REMY, TERREPOWER and 5 other brands. The "Popular" part is TYC 116368.

The New section: 4 options from TYC, BOSCH, SKP and 1 other brand. TYC 116368 is listed in this group.

The Remanufactured section: 9 options from PURE ENERGY, BOSCH, REMY and 2 other brands. PURE ENERGY 18271 is listed in this group.

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