The Chelsea 43P134 is a genuine Chelsea gear, also referenced as 328554X, designed for Chelsea power takeoff applications. Chelsea PTOs are a trusted standard in heavy-duty truck drivetrain systems, and this gear is a direct OEM-specification component for those assemblies. Pro Gear and Transmission carries genuine Chelsea PTO parts for fleet maintenance teams and shop mechanics who need the right part the first time. Call us to confirm this gear fits your specific PTO model and truck configuration before ordering.FeaturesGenuine Chelsea OEM gear componentPart number 43P134, also referenced as Chelsea 328554XDesigned for Chelsea power takeoff (PTO) assembliesDirect-replacement OEM-specification partSold by Pro Gear and Transmission