Economy Carburetor Kit: JD 3010, 3020, 4000, 4010, 4020 JD Ignition Compatible Cast-Iron Marvel Schebler Carburetors:

Compatible Cast-Iron Marvel Schebler Carburetors:

you could instead purchase part number GR2352 for new metal rings

WF and WC tractors

this kit provides all the essential components needed to maintain reliable starting power

designed for Farmall Cub

Economy Carburetor Kit: JD 3010, 3020, 4000, 4010, 4020 JD Ignition Compatible Cast-Iron Marvel Schebler Carburetors:Economy carburetor repair kit for Zenith carburetors: 12510, 12879, 13023, 13209, 13320, 13326, 13429, 13430, 13450, 13638, 13750, 14990, 15099, 15107, 15108. These carburetors are often found on JD 3010, 3020, 4000, 4010 and 4020 tractors as well as the MM G940; Oliver 1800, 1850 and 1855 and Massey Ferguson 1100 tractors. This kit includes gaskets, needle and seat.