Briggs & Stratton #497596 Electric Starter (Aftermarket)

Fits Briggs & Stratton models 400417, 400437, 400447, 400707, 400777, 401407, 401411, 401415, 401417, 401431, 401437, 401707, 402415, 402417, 402431, 402435, 402437, 402445, 402447, 402451, 402707, 402777, 404417, 404437, 404447, 404707, 404777, 40A777, 421417, 421431, 421437, 421707, 422431, 422432, 422435, 422436, 422437, 422442, 422445, 422447, 422707, 422777, 42A707, 42A777, 42B707, 42C777, 42D707, 42D777, 42E707, 42E777, 460707, 460777, 461707, 461777, 462707, 463707, most twin cylinder engines. 16 tooth gear.