Compatible with GMC Sierra 1500 (2014-2018) & 2500/3500 (2015-2018) Mud Flaps Guards Splash Rear Molded 2pc Set, See Description Custom Molded: These mud guards will hug your GMC like a glove; Fits: 2014-2018 GMC Sierra 1500 & 2015-2018 GMC Sierra 2500/3500 without Dual Rear Wheels (GMC ONLY with factory installed fender "trim" as shown in photos, will not fit Compatible with Chevy) Excludes Dually Rear Set: Includes rear mud guards only (for both left and right side) with mounting hardware and mounting instructions Guaranteed fit and easy to install: Our mud guards are custom designed for a beautiful molded factory look (Reference Numbers: 22902406, 22894866) Heavy Duty: No flimsy plastic here; our guards are thick, heavy duty polymer to stand up to whatever the road gives them Quality Tested: our mud guards were put through the wringer; Our high tech factory put the mud guards under many hours of testing to ensure they are the highest quality and will last a lifetime