If you're swapping new LED bulbs into your 2009-2014 F-150's headlights, then you don't want to forget about the side marker lights. While they may be small and subtle, updating your side markers with bright LED bulbs is an important detail in modernizing the look of your truck. Make sure to check out our F150 turn signal bulbs and F150 LED headlight bulbs as well. 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.