A4549R John Deere PTO Clutch Adjusting Cam For 50, 60, 70

John Deere PTO Clutch Adjusting Cam. It Is Not Cracked Or Broken. The Threads Are Not Stripped Out. It Has A Little Bit Of Wear Were The Balls Ride. It Is Part number A4549R. For 50 Up To Serial Number 5017821, 60 Up To Serial Number 6033675, 70 Up To Serial Number 7010775