This is a Brand new Kohler Air Filter and Pre Filter for your engine. The part number for this item is KP45-883-02-S1. However, this part has previously gone by part numbers KP45-083-02-S1 and KH10236.
This is a genuine item supplied by Kohler.
To Service Kohler Engine Models: Command: CV17-CV26 and CV620-CV745, Magnum: M10-M20 and MV16-MV20 and K Series: K341, KT17 and KT19
You will need this Air Filter/Pre Filter and
Oil Filter, part number: KP52-050-02-S1
Fuel Filter, part number: KP25-050-21-S1
2 of Spark Plug, part number: BPR4FS OR 2 of Spark Plug, part number: BCPR5ES - depending on the length of the thread, please check your thread on your old spark plug
Please note: this air filter will not fit, if your engine is a Magnum M18, serial number: 24521, the alternative air filter part number is: KP47-883-01-S1