This is a diesel filter kit. Not aftermarket - all OEM filters for MDD Diesel Walker 21Hp 1998 and on only. We have other filters available! Call with your model and serial number 1-800-525-8148 and we will be happy to confirm the correct filter for you. This kit includes:
(1) 5090-1 Outer Air filter (Kohler 25 083 02)
(1) 5090-3 Inner Air filter (Kohler 25 083 03)
(1) Cartridge Fuel filter Kubota 15231-43560
(1) Inline Fuel Filter 7020
(1) Oil Filter Kubota HH150-32430