Any non-GM original part will be clearly marked as "aftermarket", we will never mislead a customer to think a reproduction part is an original GM part. We off a 30 day return guarantee on every part we sell. Guarantee does not apply to any electrical part or any part that has been installed or modified. Please Check With Us For All Your Automotive Needs. The item "03-07 Silverado Sierra Dark Pewter Driver LH Front Door Mount Arm Rest NEW GM" is in sale since Friday, December 20, 2019.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Interior\Interior Door Panels & Parts". The seller is "mdmuscle" and is located in Saint Louis, Missouri. This item can be shipped worldwide.