2011 Acura MDX Headlight Bulb Size
The 2011 Acura MDX uses a D2S low-beam and a 9005 high-beam headlight bulb.
Low beamD2S
High beam9005
- Fog light
- H11
- Front turn signal
- 7444NA
- Brake / tail
- 7443
- Rear turn signal
- 7440
- Reverse / backup
- 921
- License plate
- 168
Brake/tail and rear-turn are serviceable bulbs. Bulb sizes can vary by trim and headlight type, so confirm against your existing bulb.
The low and high beams use different bulbs (D2S and 9005), so buy both if you are replacing the pair. Brake/tail and rear-turn are serviceable bulbs.. Factory LED units are sealed and are not a bulb you can swap. Fog lights take a H11 bulb, which is a separate size from the headlights. Note that sizes can vary by trim (Low beam factory HID/Xenon (D2S) standard across Gen2. Front turn code disputed (3457/7440NA/7444NA).), so check your existing bulb if your car is optioned differently.
Where to buy bulbs for the 2011 Acura MDX
Headlight bulbs dim over time, so replace them in pairs even if only one has failed. Most are a 10-minute DIY job. To order the exact sizes online:
Shop D2S headlight bulbs on AmazonHalogen replacements (Sylvania, Philips)Upgrade to D2S LED on AmazonPlug-in LED kits (brighter, whiter)
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Frequently asked
What headlight bulb does a 2011 Acura MDX take?
It uses a D2S low-beam bulb and a 9005 high-beam bulb.
What fog light bulb does the Acura MDX use?
The fog lights take a H11 bulb.
Can I put LED bulbs in a 2011 Acura MDX?
Yes, plug-in LED kits are sold in the D2S size. They are brighter and whiter, though fitment and beam pattern vary by kit, so check reviews for your exact housing.