The Chelsea 34P278 is a valve cap designed for Chelsea power takeoff (PTO) systems. Valve caps serve as protective closures on PTO hydraulic or pneumatic valve ports, maintaining system integrity at the valve interface. This is a genuine Chelsea part, sourced and sold by Pro Gear and Transmission. If you need help identifying whether 34P278 is the correct cap for your specific PTO unit or installation, give us a call and we can help you confirm the right fit.FeaturesGenuine Chelsea replacement valve capPart number 34P278Designed for Chelsea power takeoff (PTO) applicationsFunctions as a protective closure on PTO valve portsSold by Pro Gear and TransmissionUsed in this Chelsea PTO model278 Series