Carburetor part numbers: 42 853 03-S, 12 853 94, 12 853 94-S, 12 853 81, 12 853 56-S, 12 853 26, 12 853 76-S, 12 853 93-S. 42 853 03-S Carburetor for Kohler CV13 CV14 CV15 CV15S CV16 CV16S Engine. Compatible with Kohler CV13, CV14, CV15, CV15S, CV16, CV16S engines.