The Dana Spicer 1200517 is a carrier assembly for heavy-duty driveline applications, cataloged under Dana DDL drive shaft components. This carrier serves as a critical support point within the driveline system, maintaining proper alignment and load handling along the drive shaft. Cross-reference SI1200517 is the Spicer/DDL vendor designation for this same unit. Pro Gear and Transmission carries genuine Dana DDL parts, and our team is available to help confirm this carrier is the correct fit for your specific driveline configuration. Call us to verify application before ordering.FeaturesGenuine Dana DDL carrier for heavy-duty drive shaft systemsCatalogued under Dana DDL driveline and axle drive shaft categoryVendor part number SI1200517 cross-references to OEM part number 1200517Sold individually as a single unitAvailable from Pro Gear and Transmission – call to confirm fitment for your application