Tecumseh 640084B Carburetor Original Tecumseh part Fits models HSK50, HSK40, LH1955P Replaces part number TC-632107A, TC-640084A, TC-632107, 640084, 640084A, 632107A, 632107, TC-640084B, TC-640084 Please verify model number prior to ordering to ensure this is the correct part for your engine