AE-Parts 50-659 Carburetor Replacement for Tecumseh 640349 Fits Models: HMSK80 HMSK85 HMSK90 HMSK100 HMSK105 LH318SA LH358SA Replaces Manufacturer #:5313 5002 5036 For: Tecumseh 8hp, 9hp, 10hp Horizontal engines with primer nipple Replaces Part #: 640349 640054 640053 Free Same day shipping on all orders (before 1pm EST)