The Chelsea Adapter Gear, part number 5P1186, is a genuine Chelsea PTO component sold by Pro Gear and Transmission. Adapter gears are critical interface pieces within Chelsea PTO drivelines, bridging the power takeoff unit to mating components in the drivetrain. If you are sourcing this gear as a replacement or for a rebuild, call us to confirm proper fit for your specific Chelsea PTO application before ordering.Interchanges:SP5-P-1186FeaturesGenuine Chelsea PTO adapter gearPart number 5P1186Functions as an interface component within Chelsea PTO driveline assembliesSold by Pro Gear and TransmissionUsed in these Chelsea PTO models236 Series442 Series447 Series