This is a Brand new Kohler Oil Filter for your engine. The part number for this item is KP52-050-02-S1. However, this part has previously gone by part numbers KP25-050-34-S and 5 050 34-S.
This is a genuine item supplied by Kohler.
Fits models: CH11-15 Pro 1, CV13-15/493 Pro, CH/CV18-26/730-745 Pro, LV625-675, LH630-760
For: Command, Command Pro, Aegis, Courage and Twin cylinder magnum engines
It also fits the old Westwood L95 mowers fitted with the 18 and 20 hp Magnums
To Service Kohler Engine Models: Command: CV17-CV26 & CV620-CV745, Magnum: M10-M20 & MV16-MV20 and Series: K341, KT17 and KT19
You will need this Oil Filter and
Air Filter/Pre Filter, part number: KP45-883-02-S1
Fuel Filter, part number: KP25-050-21-S1
2 of Spark Plug, part number: BPR4FS