Posted on 10/09/2026 by Alla Lighting
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Ready to upgrade your old halogen bulbs? Learn how to replace and complete the installation for LED light bulbs. Easy installation and tips!
The halogen exterior bulbs may be too dim in your 2019-2022 Nissan Altima, which can make vision difficult, especially in bad weather or severe driving conditions. Upgrading the old halogen bulbs on your 2019-2022 Nissan Altima with new aftermarket LED bulbs can add a great new look to your vehicle and improve visibility at night for a safer driving experience.
If you choose to upgrade your old halogen bulbs to new LED bulbs, it is best to confirm you have the correct replacement LED bulb by referring to the original bulb or the vehicle’s direct owner’s manual.
We will show you how to install your new ALLA Lighting LED bulbs for your Front Turn Signal Lights Bulbs.
Bulb sizes for the 2019-2022 Nissan Altima Front Turn Signal Lights Bulbs is # 7443
We’ll start on the driver’s side.
Begin by unscrewing the three bolts holding in the plastic liner under the front bumper.
You can now push the soft plastic out of the way to access the turn signal bulbs.
Reach up and turn the turn signal socket counterclockwise and remove it.
Pull the incandescent bulb from the socket.
Replace it with the new LED bulb.
Test it and replace the socket back into the housing.
Turn it clockwise to lock it.
Replace the three bolts along the bottom of the bumper and tighten.
Now we will repeat the same steps for the passenger side.
These new LED bulbs are canvas error-free with no error codes, no flickering, and no hyper flashing.
They’re much brighter than the original bulbs.
Check out our Step by Step installation video!
Congratulations! Your LED Front Turn Signal Lights Bulbs installation is now complete in your 2019-2022 Nissan Altima. If you experienced any issues during your installation and unable to complete installation, please contact us for assistance. If the LED bulbs are experiencing hyper-flashing, flickering, an error code issues, then load resistors for this application will be required to be installed. These issues can occur due to the LEDs low current nature, which draws much less current than original stock halogen bulbs.
Please feel free to contact us at service@allalighting.com for assistance. Our team of highly trained representatives will be available to assist and provide the best solution. May also visit us at www.allalighting.com
Looking for more LED upgrades for your 2019-2022 Nissan Altima. Check out the below bulb guide! For your reference only. All information below is not 100% guaranteed accurate. Please confirm the original bulb part numbers by referring to the original bulb or the vehicle’s direct owner’s manual prior to purchase.
High Beam: Stock Bulb size # 9005 (HB3)
Daytime Running Lightt: Stock Bulb size # 9005 (HB3)
Fog Light: Stock Bulb size # H11
Front Turn Signal Light: Stock Bulb size # 7443
Front Side Marker Light: Stock Bulb size # 2825 (W5W)
Rear Turn Light: Stock Bulb size # 7440, 7443
Brake Light: Stock Bulb size # 7443
Back-Up Reverse Light: Stock Bulb size # 921
Inner Tail Light Bulb: Stock #: 2825 (W5W)
Rear Sidemarker Light Bulb: Stock Bulb size # 2825 (W5W)
Outer Tail Light Bulb: Stock #: 7443
Interior Lights
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