2 Air Filters Plus Pre-Filters For Kohler Air Filter 1208310, 12-083-10S 12-083-10-S. Pre-Filter 1208312, 12-083-12S. Same As John Deere GY20661, M145944ncludes Pre-filter For 1208312, 12-083-12S 2 Quality Aftrmarket Air Filter and Pre-Filters. Air Filter Replaces Kohler 12 083 10-S, 1208310S Pre-Filter Replaces Kohler 12 083 12, 12-083-12-S, 128312S Same Filter as John Deere Part Number GY20661 or M145944 3-1/4" OD, 4-1/2" OD, 3-9/32" high.