Stens 520-902 Carburetor Replaces Tecumseh: 632107, 632107A, 640084, 640084A, 640084B Fits Models Tecumseh HSK40, HSK50, HSSK40, HSSK50, HS50 and LH195SA Not for go-kart applications This is a replacement part Part Number 520-902 This is an aftermarket of generic part