Used on watchkeeper. 12301 10 micron filter replacement element part number:OR001-2031:2-031 nitrile o-ring, part number:F1001-0301 10micron AN6235-3a, part number:126-0101-0 box label (upc bar code)
used on engine model 6-285, 10-346, 10-360, TS10-360, LTSI0-360, 0-470, 10-470, L10-470, TS10-470, 10-520, tsio-520, GTS10-520, LTS10-520, 10-550 series/ also use manf part number 649922