The Chelsea 5P1185 is a genuine Chelsea adapter gear designed for use in Chelsea power takeoff assemblies. Adapter gears serve as the interface between the PTO housing and the driven component, making correct part identification critical before installation. Chelsea PTOs are widely specified on medium- and heavy-duty trucks across a broad range of vocational applications. Pro Gear and Transmission carries Chelsea PTO parts including replacement gears and internal components. Call us to confirm this gear matches your specific Chelsea PTO model and application before ordering.FeaturesGenuine Chelsea PTO adapter gearPart number 5P1185Designed for use in Chelsea power takeoff assembliesCall Pro Gear and Transmission to verify compatibility with your specific PTO modelUsed in these Chelsea PTO models442 Series447 Series626 Series628 Series645 Series