4 Electrical bulb & socket parts are listed for the 2021 Acura TLX, in 1 part type, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Acura TLX, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Every listed part is Back Up / Reverse Lamp Bulb.
The 2021 Acura TLX was sold with both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. All 4 parts on this page fit every engine.
Every electrical bulb & socket part listed for the 2021 Acura TLX comes from WAGNER. Quality grades include LED, Extended Life and Standard Replacement.
Each part number listed for the 2021 Acura TLX opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 TLX engines | 7443LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeDouble Contact Wedge Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 TLX engines | 7443LEDW | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| WAGNER Fits: all 2021 TLX engines | 7443WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 TLX engines | 7443 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Double Contact Wedge Base21.000 Watt | 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.
WAGNER supplies the 4 Back Up / Reverse Lamp Bulb parts for the 2021 Acura TLX. All of them fit every engine offered in the 2021 TLX.
The Extended Life section lists 1 option from WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. WAGNER 7443LL is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, WAGNER supplies 2 parts: 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 WAGNER 7443LEDW.
The Standard Replacement section lists 1 option from WAGNER — built to original-equipment specification. WAGNER 7443 is listed in this group.
Listed part numbers: WAGNER 7443LL, WAGNER 7443LEDW and WAGNER 7443WLED, plus the other parts above.
Buying Electrical Bulb & Socket Parts for a 2021 Acura TLX
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 both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.
- 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: Back Up / Reverse Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Acura TLX?
Our catalog currently lists 4 electrical bulb & socket parts for the 2021 Acura TLX across 1 subcategory and 1 brand, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2021 Acura TLX engines?
No. On this page every electrical bulb & socket part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. 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 Acura TLX?
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 Acura TLX 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 Acura TLX?
Every part on this page already fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. 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 Acura TLX
Electrical Bulb & Socket Parts for Other Acura TLX 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.