Features Direct replacement for factory incandescent 921-size bulb. 16 high-power LEDs arranged on all four sides. Increased output with LED Appearance. Plug and play, simple installation. 60 lumens per bulb. Overview Upgrade. Add a modern appearance to your vehicle with the 921 XPR 3rd brake light bulb. Each of the four sides of this bulb is populated with 4 high power LEDs for maximum brightness. Housed in an aluminum casing for superior heatsinking properties, the XPR will last for years to come. Best of all, installation only takes minutes - simply take out your factory bulb and the XPR will fit snugly in the socket. Quantity. As different trim levels often come equipped with different third brake lights, we have listed bulbs individually here. Please double-check on your vehicle, and select the quantity needed to replace all of your bulbs. Brightness. At 60 lumens, the XPR will provide significantly more output than your factory bulb. All Diode Dynamics LED lighting is rated with accurate, measured lumen figures, not calculations or guesses. We test the true output in-house, and provide you the real numbers to compare. Reliability. This bulb is built with constant-current circuitry, along with transient suppression. That means this bulb will last for years with no flickering or failure. Like every Diode Dynamics product, it's backed by an industry-leading three-year replacement warranty. Experience. After over a decade in business, Diode Dynamics is the most trusted name in automotive LED lighting. We assemble and engineer an increasing number of products ourselves in the United States, for high quality and fast time-to-market of the newest and brightest LED technologies.

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