Hilitchi Replacements Carburetor For TECUMSEH 640349 640052 640054 8hp 9hp 10hp HMSK80 HMSK90 Snowblower Generator Chipper 100% Brand New and High Quality! Fits: TECUMSEH HMSK80, HMSK85, HMSK90, HMSK100, HMSK105, LH318SA. Replacement OEM MPN: 640349 640052 640054. Package Include: Carburetor x 1, gasket x 1. Please check the machine model before buying.