We are selling a tune up kit for the diesel Toro Dingo 525 narrow track and 525 wide track (the tune up kit does not include any oils or grease). This tune up kit includes one Toro brand oil filter, one Toro brand air filter and safety air filter, one Toro brand fuel filter and one Toro brand hydraulic filter. All these parts are brand new. (Please note: some of the newer 525 models also use a second seperate smaller fuel filter in conjunction with the larger fuel filter in this listing.. We are not selling the smaller fuel filter in this listing)