A genuine John Deere #AM102924 Fuel Tank Cap. 108 After serial number 190,001 (Rear tank); 111 After serial number 190,001 (Rear tank); 111H; 112L; 116; 208; 312; 314. F910 Serial number range 420,196 - 750,000 & 010,001 - 100,000; F911 Before serial number 120,000; F912; F930 After serial number 420,378; F932 serial number ranges 475,001 thru 750,000 and 010,001 thru 120,000.