B1516R John Deere Shutter Control Knob For A, B, D, G

John Deere Shutter Control Knob. It Is Not Cracked, Broken Or Stripped Out. The Handles Are Still Nice And Straight. It Is A Little Bit Rust Pitted Or Else A Poor Casting. It Is Part Number B1516R. For A serial Number 477000-583999, B serial Number 60000-200999, D Serial Number 143800 And Up To The End, G Serial Number 13000-52175