The Meritor Washer R3015123 is a genuine Meritor replacement washer for heavy-duty truck applications. Sourced directly through Pro Gear and Transmission, this part carries the full Meritor part number R3015123 for precise identification when ordering. Washers in Meritor brake and drivetrain assemblies serve as load-distributing hardware at fastener points, helping maintain proper clamp force and component alignment. If you need to verify this is the correct washer for your specific axle, brake, or drivetrain assembly, call us and we can help confirm the right fit before you order.FeaturesGenuine Meritor part number R3015123Direct OEM replacement washer for Meritor heavy-duty truck assembliesPrecision part number identification for accurate orderingSold by Pro Gear and Transmission