Genuine Ford F-150 Front Seat Belt Buckle Assembly Left Driver OE 6L3Z1861203AB. The side of any vehicle is the same side as if you where sitting in the driver or passenger seat. Driver side is left passenger side is right. The left and right is determined from the viewpoint if you are sitting in the drivers seat. Read all notes and compare with your vehicle information. Established in 2011, The Parts Department LLC is an e-commerce auto parts retailer that specializes in Genuine OEM accessories, collision, repair, and maintenance parts. With million of parts delivered, we’ve helped millions of drivers across the world find the right parts at the right price to fix their cars and keep their vehicles on the road. To see our Feedback.