# Diode Dynamics 921 XPR LED Bulb - Red (Pair) 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. - Sixteen high-power LEDs arranged on all four sides. - Molded construction with sturdy double terminals - Direct replacement for your factory bulb - Plug and play no modification needed. - Increased output with LED appearance. - Increased output with LED Appearance - Plug and play simple installation This Part Fits: Year Make Model Submodel 2015-2016 Audi A3 Premium 2015-2016 Audi A3 Premium Plus 2015-2016 Audi A3 Prestige 2015-2016 Audi A3 TDI Premium 2015-2016 Audi A3 TDI Premium Plus 2015-2016 Audi A3 TDI Prestige 2009-2012 Audi A4 Base 2009 Audi A4 Cabriolet 2024-2026 Buick Encore GX Avenir 2020-2023 Buick Encore GX Essence 2020-2026 Buick Encore GX Preferred 2020-2023 Buick Encore GX Select 2024-2026 Buick Encore GX Sport Touring 2003-2014 Ford E-150 Base 2006-2007 Ford E-150 Chateau 2006-2014 Ford E-150 XL 2006-2014 Ford E-150 XLT 2003-2005 Ford E-150 Club Wagon Chateau 2003-2005 Ford E-150 Club Wagon XL 2003-2005 Ford E-150 Club Wagon XLT 2000-2002 Ford E-150 Econoline Base 2000 Ford E-150 Econoline XL 2000-2002 Ford E-150 Econoline Club Wagon Chateau 2000 Ford E-150 Econoline Club Wagon Custom 2001-2002 Ford E-150 Econoline Club Wagon XL 2000-2002 Ford E-150 Econoline Club Wagon XLT 2003-2014 Ford E-250 Base 2000-2002 Ford E-250 Econoline Base 2000 Ford E-250 Econoline XL 2003-2005 Ford E-350 Club Wagon Chateau 2003-2005 Ford E-350 Club Wagon XL 2003-2005 Ford E-350 Club Wagon XLT 2000-2002 Ford E-350 Econoline Club Wagon Chateau 2000 Ford E-350 Econoline Club Wagon Custom 2001-2002 Ford E-350 Econoline Club Wagon XL 2000-2002 Ford E-350 Econoline Club Wagon XLT 2000-2019,2021-2026 Ford E-350 Super Duty Base 2006 Ford E-350 Super Duty Chateau 2000,2006-2014 Ford E-350 Super Duty XL 2006-2014 Ford E-350 Super Duty XLT 1993-2002 Pontiac Firebird Base 1993-2002 Pontiac Firebird Formula 1993-2002 Pontiac Firebird Trans Am 1994 Pontiac Firebird Trans Am GT 2018-2023 Subaru Crosstrek Base 2019-2023 Subaru Crosstrek Hybrid 2018-2023 Subaru Crosstrek Limited 2018-2023 Subaru Crosstrek Premium 2021-2023 Subaru Crosstrek Sport 2014-2021 Toyota Tundra 1794 Edition 2014-2021 Toyota Tundra Limited 2021 Toyota Tundra Nightshade 2014-2021 Toyota Tundra Platinum 2014-2021 Toyota Tundra SR 2014-2021 Toyota Tundra SR5 2021 Toyota Tundra Trail 2015-2017,2019-2021 Toyota Tundra TRD Pro ## Details - **Price:** 158.88 CAD - **Vendor:** Diode Dynamics - **Type:** Bulbs ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 158.88 CAD | In stock | ## Images - Photo - Primary - User 1 - Logo Image - Logo Image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/diode-dynamics-921-xpr-led-bulb-red-pair) > Updated: 2026-07-05