2007-2013 CHEVY SILVERADO 2500HD 3500HD HEAVY DUTY (SINGLE REAR WHEEL ONLY) / 2007-2013 GMC SIERRA 2500HD 3500HD HEAVY DUTY (SINGLE REAR WHEEL ONLY) REAR STEP BUMPER TOP PAD LH GM1191126 Meets or exceeds Dot and SAE standard OE compareable replacement