The Chelsea 379633 is a genuine indicator switch designed for Chelsea Power Takeoff (PTO) applications. Indicator switches provide cab-mounted or dash-level feedback to confirm PTO engagement status, making them a critical electrical component in PTO-equipped vehicles. Part number 379633 fits within Chelsea’s family of PTO accessories and replacement components. Pro Gear and Transmission carries genuine Chelsea PTO parts, including hard-to-find electrical items like this switch. Call us to confirm proper fit for your specific PTO model and vehicle application before ordering.FeaturesGenuine Chelsea part number 379633Indicator switch for Chelsea Power Takeoff (PTO) systemsProvides PTO engagement status signalDirect replacement Chelsea electrical componentSold by Pro Gear and TransmissionUsed in this Chelsea PTO model522 Series