The Meritor KIT2789 is a genuine Meritor washer kit used in differential service and rebuild work. Washers are a core component in differential assemblies, providing the correct spacing and load distribution between rotating and stationary parts. This kit carries Meritor part number KIT2789 and UPC 737238985259. Pro Gear and Transmission stocks genuine Meritor differential components for heavy-duty truck applications. Not sure this is the right kit for your diff? Give us a call and we can help confirm proper fit before you order.Non returnable itemFeaturesGenuine Meritor part number KIT2789Washer kit for differential assembly and rebuild serviceUPC: 737238985259Sold by Pro Gear and Transmission