Acura TL Headlight Bulb Size
Find the correct headlight bulb size for your Acura TL. Covers low beam, high beam, fog lights, and turn signals for all years.
Last updated: 2026-05-07 • Reading time: 8 min • By AllOEMManuals Editorial Team
Quick Answer
The Acura TL headlight bulb size depends on the model year and trim. Common sizes include H11 (low beam), 9005/HB3 (high beam), and H16 (fog lights) — see the full breakdown below.
| Generation | Years | Top spec |
|---|---|---|
| 2009-2014 | 2009-2014 | H11 or H7 |
| 2003-2008 | 2003-2008 | 9006/HB4 or H4 |
| 1997-2002 | 1997-2002 | 9006/HB4 or H4 |
Know the exact headlight bulb size job for your Acura TL
The Acura TL headlight bulb size depends on the model year and trim. Common sizes include H11 (low beam), 9005/HB3 (high beam), and H16 (fog lights) — see the full breakdown below.
Bulb size can change between reflector, projector, HID, LED, and market-specific housings. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.
Exact Vehicle Check
Use the archive navigator when you need the exact engine, trim, or production-branch manual instead of a broad year-range summary. That keeps the buying list and repair steps aligned with the real vehicle.
2009-2014
Representative 2009 manual branch for 2009-2014
Advanced Diagnostics
TL AWD V6-3.7L
Advanced Diagnostics — 2009 Acura TL AWD V6-3.7L Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura >> 2009 >> TL AWD V6-3.7L >> Repair and Diagnos...
Open factory section →Advanced Diagnostics
TL AWD V6-3.7L
Advanced Diagnostics — 2009 Acura TL AWD V6-3.7L Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura >> 2009 >> TL AWD V6-3.7L >> Repair and Diagnos...
Open factory section →2003-2008
Representative 2003 manual branch for 2003-2008
Aftermarket Trailer Hitch Wiring Can Cause Electrical Problems (B11080I)
3.2TL Base
Aftermarket Trailer Hitch Wiring Can Cause Electrical Problems (B11080I) — 2003 Acura 3.2TL Base Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura...
Open factory section →Aftermarket Trailer Hitch Wiring Can Cause Electrical Problems (B11080I)
3.2TL Base
Aftermarket Trailer Hitch Wiring Can Cause Electrical Problems (B11080I) — 2003 Acura 3.2TL Base Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura...
Open factory section →1997-2002
Representative 1997 manual branch for 1997-2002
Alternate View
TL L5-2451cc 2.5L SOHC MFI
Alternate View — 1997 Acura TL L5-2451cc 2.5L SOHC MFI Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura >> 1997 >> TL L5-2451cc 2.5L SOHC MFI >>...
Open factory section →Alternate View
TL L5-2451cc 2.5L SOHC MFI
Alternate View — 1997 Acura TL L5-2451cc 2.5L SOHC MFI Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura >> 1997 >> TL L5-2451cc 2.5L SOHC MFI >>...
Open factory section →2009-2014
2009-2014- →Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
- →LED upgrade bulbs are available but may cause CANBUS errors on some models
- →Replace bulbs in pairs — if one side burned out, the other is likely near end of life
2003-2008
2003-2008- →Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
- →Replace bulbs in pairs — if one side burned out, the other is likely near end of life
1997-2002
1997-2002- →Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
- →Replace bulbs in pairs — if one side burned out, the other is likely near end of life
1996-1996
1996-1996- →Never touch halogen bulbs with bare fingers — skin oil causes hot spots and premature failure
- →Replace bulbs in pairs — if one side burned out, the other is likely near end of life
One-Trip Shopping List
Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.
LED Upgrade Bulbs
Brighter, whiter light for better nighttime visibility.
Replacement Halogens
Standard OEM-spec bulbs for reliable replacement.
Dielectric Grease
Protects electrical connectors from moisture.
Latex-Free Gloves
Avoid fingerprints on the bulb and keep glass clean.
Project Essentials
Basic tool sets, gloves, and cleaning supplies for your Acura TL so the job is ready when the parts arrive.
Frequently Asked Questions
- What size headlight bulb does a Acura TL use?
- The Acura TL headlight bulb size varies by year. Newer models often use factory LED units, while older models use H11, H7, or 9006 halogen bulbs. Check the year-specific specs below for your exact fitment.
- Can I put LED bulbs in my Acura TL?
- If your Acura TL has halogen headlights, you can install LED replacement bulbs. Look for bulbs with a proper beam pattern (projector-compatible) to avoid blinding other drivers. Some models may need anti-flicker adapters.
- How do I replace the headlight bulb on a Acura TL?
- On most Acura TL models, you can access the headlight bulb from behind the headlight assembly in the engine bay. Twist the bulb socket counterclockwise, pull out the old bulb, insert the new one (don't touch the glass), and twist back in.
- Why does my Acura TL headlight keep burning out?
- Frequent bulb burnout on the Acura TL is usually caused by a loose connection, moisture in the housing, touching the bulb glass during installation, or a voltage regulator issue. Check the connector and housing seal.
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Author & Review
Written by AllOEMManuals Editorial Team. Reviewed by ASE-certified technicians and updated with factory-reference checks for fitment-sensitive steps.
This guide was drafted with AI assistance and reviewed for accuracy by a human editor.
Last updated: 2026-05-07