New Carburetor Replacement for Tecumseh Engine. Fitment: (They are for). Tecumseh 8HP 9HP And some 10HP Horizontal Snowblower Engines. Engine Types As: HMSK80, HMSK90, LH318SA, LH358SA. Please Match OEM Replacement Part #: 640349, 640052, 640054. The item “Carburetor for Tecumseh LH318SA LH358SA HMSK90 8HP 9HP 10HP Engine snow blower” is in sale since Saturday, December 28, 2013. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories”. The seller is “x-motors” and is located in CA. This item can be shipped worldwide.