The Meritor Capscrew, part number S21444A2, is a genuine Meritor differential hardware component sold by Pro Gear and Transmission. Capscrews are critical fasteners in differential assemblies, securing housings, bearing caps, and related components during rebuild and service work. If you are sourcing hardware for a Meritor or Rockwell differential rebuild, this is the manufacturer part number to reference. Not sure this is the correct fastener for your assembly? Give us a call and we can help confirm the right fit before you order.FeaturesGenuine Meritor part number S21444A2Capscrew for Meritor and Rockwell differential assembliesSuitable for differential rebuild and service applicationsSold by Pro Gear and Transmission