Hilitchi New Carburetor for Tecumseh 640260 640260B 640260A 632689 Fits LH318xa-156023M HM80 HM90 HM100 100% Brand New and High Quality! Replaces Tecumseh: 640260 640260B 640260A. Fits: HM80 HM90 HM100 LH318XA-156023M Engine. Package Include: Carburetor x 1, gasket x 1. Note: Please check your model and compare with the item picture before purchasing.