Engine Models Compatibility Compatible Kohler Command Engine Series: ECH Series: ECH630, ECH650, ECH680, ECH730, ECH740, ECH749 ECV Series: ECV630, ECV650, ECV680, ECV730, ECV740, ECV749 Due to minor size and fit differences, the original fuel pump module 2539316-S and earlier versions need replacement. Replacement parts vary by model: ECV850 - ECV880: Use 1975524-S. EKT740 - EKT750, EZT715 - EZT750: Use 2575574-S. ECH440, ECH/ECV630 - ECH/ECV749, ECH/ECV940 - ECH/ECV980: Use 2575573-S. Specific Compatible Engine Models 19HP (14.2 kW): ECH630-3001, ECH630-3002, ECH630-3003, ECH630-3004, ECH630-3005 ECH630-3007, ECH630-3008, ECH630-3025, ECH630-3035, ECH630-3036 ECH630-3037, ECH630-3038, ECH630-3039, ECH630-3040, ECH630-3042 ECH630-3043, ECV630-3011, ECV630-3012 21HP (15.7 kW): ECH650-3001, ECH650-3002, ECH650-3003, ECH650-3022, ECH650-3025 ECH650-3028, ECH650-3029, ECH650-3030, ECH650-3031, ECH650-3032 ECH650-3033, ECV650-3011 23HP (18.61 kW): ECH680-3011, ECH680-3012, ECH680-3013, ECH680-3025 ECV680-3001, ECV680-3011, ECV680-3014 25HP (18.61 kW): ECH730-0011, ECH730-0012, ECH730-3001, ECH730-3002, ECH730-3003 ECH730-3004, ECH730-3008, ECH730-3019, ECH730-3031, ECH730-3032 ECH730-3034, ECH730-3036, ECH730-3037, ECH730-3038, ECH730-3039 ECH730-3040, ECH730-3044, ECH730-3045 ECV730-3001, ECV730-3011, ECV730-3012, ECV730-3013, ECV730-3016 ECV730-3017, ECV730-3021 27HP (20.1 kW): ECH740-3001, ECH740-3002, ECH740-3003, ECH740-3011, ECH740-3024 ECH740-3027, ECH740-3028, ECH740-3031 ECV740-3011, ECV740-3012, ECV740-3013, ECV740-3014, ECV740-3019 ECV740-3023, ECV740-3025, ECV740-3026, ECV740-3032 29HP (21.6 kW): ECH749-0011, ECH749-3001, ECH749-3003, ECH749-3004, ECH749-3005 ECH749-3006, ECH749-3012, ECH749-3013, ECH749-3014, ECH749-3015 ECH749-3016, ECH749-3017, ECH749-3018, ECH749-3019, ECH749-3028 ECH749-3031, ECH749-3032, ECH749-3033, ECH749-3039, ECH749-3040, ECH749-3041 ECV749-3001, ECV749-3002, ECV749-3011, ECV749-3012, ECV749-3013 ECV749-3014, ECV749-3015, ECV749-3017, ECV749-3018, ECV749-3020 ECV749-3021, ECV749-3023, ECV749-3025, ECV749-3028, ECV749-3040 33HP (24.6 kW): ECV940-2011, ECV940-2012, ECV940-2013 37HP (27.6 kW): ECV980-2011, ECV980-2012, ECV980-2016 Replaces OE#: 2539316-S / 2539316S / 25 393 16-S 2539314-S / 2539314S / 25 393 14-S 2539311-S / 2539311S / 25 393 11-S 2539310-S / 2539310S / 25 393 10-S 2539309-S / 2539309S / 25 393 09-S At ATRACYPART, we take pride in the quality of our products and in your satisfaction. If you have any problems, do not hesitate to contact us.