Fitment: This rear step bumper bar is compatible with 1999-2006 Chevy Silverado and GMC Sierra 1500. *Only fits fleet side bed (straight bed) models, does not fit step side bed or HD models. Fits 1999 new style to 2007 Classic Style *.OE Replacement: Aftermarket Replacement for 15705674 15738017 15738018 15705673 15082619 12496085 GM1103122 11722355 12473000 GM1191119 GM1191120 GM1191121. Built to strict quality control standards..Superior Quality: ECOTRIC rear step bumper bar adopts sophisticated electroplating, which means it has better wear resistance, reflectivity, aging resistance, and aesthetics..Excellent Performance: Precision and quality assured,combines decorative effects andprotective performance..Package Includes: Includes impact bar, step pad, brackets/braces, license plate lights and hardware. NOTE: Instruction is NOT included.