This page lists 13 electrical bulb & socket parts for the 2021 Toyota Avalon, across 6 part types, covering all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6). Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Toyota Avalon, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 8 parts of the 13 listed are Brake Light Bulb (3 parts), Turn Signal Lamp Bulb (3 parts) and Back Up / Reverse Lamp Bulb (2 parts). The other 3 part types cover the remaining 5 parts.
The 2021 Toyota Avalon was sold with 3 engines. All 13 parts on this page fit every engine.
2 brands supply electrical bulb & socket parts for the 2021 Toyota Avalon, led by HELLA (11 parts) and PHILIPS (2 parts). Quality grades include Standard Replacement, Extended Life and LED.
Each part number listed for the 2021 Toyota Avalon opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | 7506LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | 7506 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
This table covers the bulbs in the reverse lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
2 Back Up / Reverse Lamp Bulb parts for the 2021 Toyota Avalon come from HELLA. Every part fits all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6).
In the Extended Life grade, HELLA supplies 1 part: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is HELLA 7506LL.
In the Standard Replacement grade, HELLA supplies 1 part: built to original-equipment specification. A representative part number is HELLA 7506.
Listed part numbers: HELLA 7506LL and HELLA 7506.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | 7506LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | 7506 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA Fits: all 2021 Avalon engines | H21W | 🇺🇸 US 🇨🇦 CA | HalogenSocket Type Bulb: BAY9S | View on Amazon |
This table covers the bulbs in the stop lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
3 Brake Light Bulb parts for the 2021 Toyota Avalon come from HELLA. Every part fits all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6).
Extended Life: 1 part, from HELLA. A representative part number is HELLA 7506LL.
Standard Replacement: 2 parts, from HELLA. A representative part number is HELLA 7506.
Part numbers include HELLA 7506LL, HELLA 7506 and HELLA H21W.
Headlamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | H7 | 🇺🇸 US 🇨🇦 CA | HalogenSocket Type Bulb: PX26D | View on Amazon |
This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb.
One part is listed for the 2021 Toyota Avalon — HELLA H7.
Tail Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | 7506LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | 7506 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
This table covers the bulbs in the tail lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
HELLA supplies both parts for the 2021 Toyota Avalon. All of them fit every engine offered in the 2021 Avalon.
The Extended Life section: 1 option from HELLA. HELLA 7506LL is listed in this group.
The Standard Replacement section: 1 option from HELLA. HELLA 7506 is listed in this group.
This group includes HELLA 7506LL and HELLA 7506.
Trunk / Cargo Area Light Bulb
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2021 Avalon engines | 194RLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDRed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2021 Avalon engines | 12961 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the bulbs in the trunk or cargo-area lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
PHILIPS supplies both parts for the 2021 Toyota Avalon. All of them fit every engine offered in the 2021 Avalon.
In the LED (instant-on, long life, energy-saving) grade, PHILIPS supplies 1 part: grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. A representative part number is PHILIPS 194RLED.
The Standard Replacement section: 1 option from PHILIPS. PHILIPS 12961 is listed in this group.
Part numbers include PHILIPS 194RLED and PHILIPS 12961.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | 7506LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Avalon engines | 7506 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA Fits: all 2021 Avalon engines | 2357NA | 🇺🇸 US 🇨🇦 CA | IncandescentBulb Material Color: Amber | View on Amazon |
This table covers the bulbs in the turn-signal lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
3 Turn Signal Lamp Bulb parts for the 2021 Toyota Avalon come from HELLA. Every part fits all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6).
Extended Life: 1 part, from HELLA. A representative part number is HELLA 7506LL.
Standard Replacement: 2 parts, from HELLA. A representative part number is HELLA 7506.
Part numbers include HELLA 7506LL, HELLA 7506 and HELLA 2357NA.
Buying Electrical Bulb & Socket Parts for a 2021 Toyota Avalon
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- You do not need to pick an engine: every electrical bulb & socket part on this page fits all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6).
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Brake Light Bulb and Turn Signal Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Toyota Avalon?
Our catalog currently lists 13 electrical bulb & socket parts for the 2021 Toyota Avalon across 6 subcategories and 2 brands, covering all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6). Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2021 Toyota Avalon engines?
No. On this page every electrical bulb & socket part fits all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6). You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of electrical bulb & socket problems on a 2021 Toyota Avalon?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Toyota Avalon was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Toyota Avalon?
Every part on this page already fits all 3 engine options (2.5L L4, 2.5L L4 ELECTRIC/GAS and 3.5L V6). Then repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Toyota Avalon
Electrical Bulb & Socket Parts for Other Toyota Avalon Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.