A4878R John Deere Speed Control Arm For 50, 60, 70, 520, 620, 720

John Deere Speed Control Arm. It Is Not Cracked, Bent Or Broken. It Is Part Number A4878R. For 50 Serial Number 5016552 And Up To The End, 60 Row Crop Serial Number 6030822 And Up To The End, Standard Serial Number 6043000 And Up To The End, 70 Serial Number 7008779 And Up To The End, 520 Up To Serial Number 5208099, 620 Up To Serial Number 6213099, 720 Up To Serial Number 7214899