B3603R, B2443R John Deere Fourth And Sixth Speed Drive Gear For B, 50, 520, 530

John Deere Fourth And Sixth Speed Drive Gear. Most Of The Teeth Are Lightly Chipped. It Does Not Have Any Cracked Or Broken Teeth. It May Have Light Rust Pitting On The Teeth. It Is Part Number B3603R, B2443R. For B Serial Number 201000 And Up To The End, 50, 520, 530