Our 2010 Mercury Mariner Black OE Step Bars 8L8Z-16450-AB ships directly from an authorized Mercury dealer. Since 2000 we have offered secure online ordering and fast affordable shipping. All our genuine Mercury parts and Mercury accessories are backed by Mercury's warranty, which is covered by any Mercury dealer in the US. Exactly like your local dealer only lower prices and shipped directly to your door. If you have questions about Mercury accessories or Mercury performance parts or need assistance, please don't hesitate to contact our friendly Mercury parts and accessories experts online.