OE Solutions™ Passenger Side Center Sliding Door Roller (924-911) by Dorman®. Quantity: 1 Piece. Packaging Type: Box. Material: Steel. A poorly functioning side door can be a hassle at best–and a safety hazard at worst. Now you can easily restore the side door to proper, smooth operation with Dorman’s Side Sliding Door Roller Assembly. The assemblies are constructed from high-quality materials to resist wear and tear, ensuring a long service life.