The Timken 87013A is a stamped steel hub cap, sold as an individual unit. Timken hub caps are a common replacement item for wheel-end service on heavy-duty trucks and trailers. The stamped steel construction is consistent with standard hub cap applications where a bolt-on cover protects the wheel bearing cavity. If you need help confirming this is the correct hub cap for your axle or wheel end, give us a call at Pro Gear and Transmission.FeaturesTimken part number 87013AStamped steel constructionSold as a single unit (each)Genuine Timken hub capCall Pro Gear and Transmission to confirm proper fitment for your wheel end