Replacing your old worn out stock model sidemarkers to replace with new LED version models can help other drivers spot you sooner. These LED models are much brighter and easier to be seen and adds an addition to your rigs appearance. Pair your new sidemarkers with other high-quality light accessories such as the F150 turn signal bulbs or F150 LED headlight bulbs and conversion kits. Ford F-150 Fitments: 2009, 2010, 2011, 2012, 2013, 2014 Ford F150. Submodel Fitments: FX2, FX4, King Ranch, Lariat, Limited, Platinum, STX, XL, XLT. Some Exceptions apply, please see individual product pages for specific fitments.