MTD 951-12136 Lawn & Garden Equipment Engine Air Filter Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 952Z270-V0,170-L0-11,952Z170-T0B,170-V0B,270-V0,752Z170-L0,170-T0B,170-AU,952Z170-V0B,170-DU Air filter 951-12136 cleans the air entering the carburetor Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Mtd This air filter (part number 951-12136) is for lawn and garden equipment engines Replace the air filter periodically, following the guidelines in the owner's manual