The 2021 Lexus ES250 has 14 electrical bulb & socket parts with verified fitment on this page — 7 part types and 3 brands, covering the 2.5L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2021 Lexus ES250, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Most of the listed parts are Turn Signal Lamp Bulb (5 parts), Back Up / Reverse Lamp Bulb (4 parts) and Dome Light Bulb (1 part). The other 4 part types cover the remaining 4 parts.
Every part on this page is matched to the 2.5L L4 — the only engine offered in the 2021 Lexus ES250.
The most listed brands for 2021 Lexus ES250 electrical bulb & socket parts are HELLA (12 parts), PHILIPS (1 part) and SYLVANIA (1 part). Quality grades include Extended Life and Standard Replacement.
1 part on this 2021 Lexus ES250 page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — PHILIPS 7444NALL (Turn Signal Lamp Bulb). Click any part number to see every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 921LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| HELLA | DE3175LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 921 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 921NA | 🇺🇸 US 🇨🇦 CA | IncandescentNatural Amber | 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.
HELLA supplies the 4 Back Up / Reverse Lamp Bulb parts for the 2021 Lexus ES250.
The Extended Life section lists 2 options from HELLA — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. HELLA 921LL is listed in this group.
The Standard Replacement section lists 2 options from HELLA — built to original-equipment specification. HELLA 921 is listed in this group.
Part numbers include HELLA 921LL, HELLA DE3175LL and HELLA 921, among others listed above.
Dome Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 912 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the bulbs in the dome 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.
One part is listed for the 2021 Lexus ES250 — HELLA 912.
Headlamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 9005 | 🇺🇸 US 🇨🇦 CA | HalogenSocket Type Bulb: P20D | 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.
This group shows a single part: HELLA 9005.
License Plate Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 2825 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the bulbs that light the license plate. 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.
One part is listed for the 2021 Lexus ES250 — HELLA 2825.
Map / Reading Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 912 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the bulbs in the map / reading 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.
One part is listed for the 2021 Lexus ES250 — HELLA 912.
Tail Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 2825 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | 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.
This group shows a single part: HELLA 2825.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 7444NALL | 🇺🇸 US 🇨🇦 CA | Longer LifeNatural Amber | View on Amazon |
| HELLA | 1156LL | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| SYLVANIA | 7444NALL | 🇺🇸 US 🇨🇦 CA | Long LifeAmber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 1156NA | 🇺🇸 US 🇨🇦 CA | IncandescentBrightness: 24.0 CP | View on Amazon |
| HELLA | 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.
5 Turn Signal Lamp Bulb parts are listed for the 2021 Lexus ES250, from HELLA, PHILIPS and SYLVANIA. PHILIPS 7444NALL carries the "Popular" badge.
The Extended Life section: 3 options from PHILIPS, HELLA and SYLVANIA. PHILIPS 7444NALL is listed in this group.
The Standard Replacement section: 2 options from HELLA. HELLA 1156NA is listed in this group.
Part numbers include PHILIPS 7444NALL and HELLA 1156LL, among others listed above.
Buying Electrical Bulb & Socket Parts for a 2021 Lexus ES250
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Confirm you have the 2.5L L4 engine — every part on this page is matched to it.
- 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: Turn Signal Lamp Bulb and Back Up / Reverse Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Lexus ES250?
Our catalog currently lists 14 electrical bulb & socket parts for the 2021 Lexus ES250 across 7 subcategories and 3 brands, covering the 2.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2021 Lexus ES250?
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 Lexus ES250 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 Lexus ES250?
Every part on this page is matched to the 2.5L L4 engine. 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 Lexus ES250
Electrical Bulb & Socket Parts for Other Lexus ES250 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.