Economy Carburetor Kit for Marvel Schebler Aluminum Carburetors

Specifications: Final Application: Fits: 3010, 3020, 4000, 4010, 4020 (All w/ USX 20, 21, 29, 30, 31, 32, 32-1, 33, 35, 36, 37, 40, 43, 44, 45SL, 47SL, 48SL, 49SL) Replacement Number: Notes: Includes diaphragm and idle adjustment screw.