AA5479R, AA3427R John Deere Engine Oil Pump Drive Gear And Shaft For A, B, G

John Deere Engine Oil Pump Drive Gear And Shaft. It Does Not Have Any Chipped, Cracked Or Broken Teeth. The Square End Is Not Rounded Off. It Is Part Number AA5479R, AA3427R. For A Serial Number 442151 And Up To The End, AR Serial Number 253521 And Up To The End, AO Serial Number 253521 And Up To The End, B Serial Number 40782-200999, BR Serial Number 327460 And Up To The End, BO Serial Number 327460 And Up To The End, G Up To Serial Number 13909, 60, 70, 620, 720, 630, 730