Replace OEM Part Number: 753-06220A and 753-06220 Fitment: Troy-Bilt TB575EC TB539ES TB590EC Trimmers TB575EC (41ADT57C766) Gas String Trimmer TB575EC (41EDT57C966) Gas String Trimmer TB539ES (41CDT53C966) 4-Cycle Gas Trimmer TB539ES (41DDT53C966) 4-Cycle Gas Trimmer TB590EC (41ADZ59C766) Trimmer TB590EC (41ADZ59C966) Trimmer TB590EC (41BDT59C966) Trimmer TB590EC (41CDT59C966) Trimmer Package includes: 1x Carburetor with Gasket as the picture