The Chelsea 5P1311 is a genuine Chelsea input gear designed for Chelsea power takeoff (PTO) applications. The input gear is a critical drivetrain component that transfers engine torque from the transmission into the PTO unit. Chelsea PTOs are widely used in vocational truck applications where auxiliary power is required. If you are sourcing this part for a specific transmission or PTO series, call us and we can help confirm that 5P1311 is the correct input gear for your setup. Pro Gear and Transmission stocks a broad range of Chelsea PTO components to support the commercial truck market.FeaturesGenuine Chelsea part number 5P1311Input gear for Chelsea power takeoff (PTO) unitsCritical component transferring torque from transmission into the PTO assemblyDirect-fit Chelsea replacement partCall us to confirm compatibility with your specific PTO model and transmissionUsed in these Chelsea PTO models442 Series447 Series