FS19732 is a Fleetguard spin-on fuel/water separator, and while it is a widely used filter in Cummins applications, available documentation does not confirm it as the standard primary fuel filter for the MacDon M150 windrower. MacDon M150 operator's manual specifies a primary fuel filter equipped with a built-in water separator and a Water-in-Fuel (WIF) sensor connection, with replacement required every 500 hours.
