7507 LED Bulbs With Built-In Resistors, No Hyperflash (Pair), PY21 White CANbus Light
7507 LED Bulbs With Built-In Resistors, No Hyperflash (Pair), PY21 White CANbus Light - White is backordered and will ship as soon as it is back in stock.
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7507 PY21 White LED Light Bulbs With Built-In Resistors
Underground Lighting 7507 LED light bulbs provide a direct replacement for compatible 7507, PY21, BAU15S, and T20 applications. Each bulb produces 1200 lumens through 54 white SMD LEDs with 360° coverage, giving compatible lighting housings a brighter output than the factory incandescent bulb.
Built-In Resistor Helps Prevent Hyperflash
The CANbus electrical design includes a built-in resistor on the turn-signal filament only. Because the resistor is not continuously active across both filaments, the design also limits unnecessary heat exposure inside the bulb housing.
Cooling Fan and Full-Metal Heatsinking
Heat management is built into the bulb rather than relying only on the vehicle housing. Full-metal heatsinking works with the built-in silent fan to help control heat when the resistor is engaged.
The fan activates when the high filament is engaged, reducing heat around the resistor and protecting the LED from continuous thermal exposure.
Plug-and-Play Installation
Installation in the 7507 LED is straightforward and beginner-friendly. It replaces the factory incandescent bulb in 10 minutes without cutting, complicated wiring, external resistors, or additional parts.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Do you have questions about the application, installation, shipping, warranty, or more? Do not hesitate to reach out to Underground Lighting and talk to a specialist. Chat with us online by hitting the chat button or call us at (561) 918-5225. We are here to help!



