This is a Diesel Engine Filter Kit it is all OEM not aftermarket! Fits Grasshopper Mower 721 and 321 diesel machines.
(1) Saftey air-(inner)
(1) Air element-(Outer)
(2) Fuel Filters
(1) Oil Filter
We are more then happy to confirm that these fit on your machine just give us a call or email, we have other kits available too. Serial number and model required
1-207-875-5085 George O Hayes & Son Inc.