Red or amber LEDs for the matching marker position.
Diode Dynamics · Replacement bulbs
Choose SMD2, HP3 or HP5 and the colour required by your lamp position. Each selection is a pair of 194 bulbs; it is not a full set for every marker on the truck.
Choose the bulb that suits your setup
SMD2
A low-profile design with two surface-mount LEDs.
HP3
A compact diffused LED design.
HP5
A higher-output alternative with a diffusing lens.
Check your fitment
For a matching replaceable 194 marker socket. Diode lists F-150 marker applications from 2011–2026, including 2021–2023. Match the original socket, lens and required colour: amber for the applicable front marker and red for the rear. This listing does not establish every position or aftermarket housing as compatible.
What arrives
One pair of the selected bulbs. Original lamp housings are retained.
Plan the installation
LED replacement bulb installation
Check the socket, fitment notes and testing steps before taking the lamp apart.
Questions before you order
Does this replace the whole lamp?
No. This is a replacement-bulb product. Keep the original compatible lamp housing.
What warranty applies?
Diode lists a three-year limited warranty for these miniature LED bulbs.
Build the rest of your F-150 lighting
Explore the 2021–2023 F-150 lighting hub · Read the upgrade guide
Product facts and original images: Diode Dynamics. BTS application notes checked October 24, 2026. Manufacturer reference.
