921 XP50 LED | 1 Pair

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  • Regular price $90.00

Function: By changing the factory bulb to an LED, you can illuminate the area with a much brighter light, and add a pure white, luxury look. The installation is 100% plug-and-play, just replace your factory bulb.

NOTE: This is a highly-powered bulb, and is designed for intermittent use only (such as in a backup light). We have "juiced up" the power on this one to very high levels, which results in extremely high brightness. However, operation for more than a few minutes at a time will result in flickering. This bulb should not be used in continuous-operation applications.

Design: Each of the four sides of this bulb contains two 5W-rated CREE chips, and the top is fitted with two more under a projector lens. Housed in an aluminum casing with textured finish for maximum heatsinking properties.

Color: These LEDs illuminate in a crisp, cool white hue for maximum output.

Brightness: 410 Lumens: BUYER BEWARE! Most sellers just provide "calculated" lumen numbers, based on the maximum potential brightness of the LED chips on the bulb. For example, if a bulb has five 10-lumen chips, they will rate it at 50 lumens. However, this is not accurate, as the design of an LED bulb does not get rid of heat fast enough to run the LEDs at maximum.

These "calculated" lumen ratings are much, much higher than the true, measured light output, so it will look like competitors' bulbs are brighter than ours. This is because Diode Dynamics does not provide inflated "calculated" numbers; we believe it is misleading.

Confidence: Order with confidence when purchasing through our website. The products offered have been thoroughly tested to make sure they meet our strict quality standards to ensure the best reliability and performance.  We always provide honest feedback on products and helpful tips for any project due to our extensive experience with all makes and models. We offer competitive pricing, fast shipping, and the latest and greatest products from the top manufacturers. Contact us today with any questions; you won’t regret it!



2x 921 LED Bulbs: XP50
Warranty: 3 years
Applications: 917/918/920/921/922/923/579
LEDs: 8 radial 5W Cree LED chips, 2 forward facing 5W Cree chips
LED optic: Projector Lens on front LEDs
Output: 410 Lumens
Heatsink Design: Aluminum Construction