1OE Number: The referencing OE number of this snowblower carburetor are 640086, 640086A, 632641, 632552, which is molded and designed depend on the original data. 2Fitment: The snow blower carburetor is a replacement for Tecumseh 3HP 2 Cycle Engine, please check the model of your snowblower before ordering. 3Function: Used to replace the old carburetor, save fuel consumption, enhance power, so that you get an excellent trimming experience. 4High Performance: This snowblower carburetor is ideal for mixing fuel and air, brings rapid acceleration to the engine to make your mowing work easier. 5Easy Installation: Directly remove the old carburetor, and then replace it with this carburetor, no need to adjust, install it and use it, then your engine will run as new.