AB2578R John Deere PTO Seal For A, AR, AO, B, BR, BO

John Deere PTO Seal. It Goes In Casting Number B1679R Only. It Is Thinner Then The Original And 2 May Be Needed. It Is Part Number AB2578R. For A Up To Serial Number 487999, AR Serial Number 258330-259999, AO Serial Number 258330-259999, B Up To Serial Number 149699, BR Serial Number 331077-333099, BO Serial Number 331077-333099