NIMTEK New Carburetor Carb for Tecumseh 640025 640025A 640025B 640025C / OHH55 OHH60 OHH65 NIMTEK High Quality Aftermarket Carburetor. Fits Tecumseh engine model OHH55,OHH60,OHH65. Replace Tecumseh 640025,640025A,640025B,640025C,640004,640014 This carburetor comes with gasket.