2014 2015 2016 2017 2018 Mazda 3 OEM Factory Mazda Rear Bumper Guard (4-door). Help protect your rear bumper from chips and scratches. Our durable stainless steel Rear Bumper Guard helps make loading or unloading your gear less perilous. Protects your 2014 Mazda 3 rear bumper from chips and scratches when you're loading or unloading. Looks sharp, too.