This listing is for a rewind starter, Sears part #590420. It was removed from a Sears Craftsman 20 inch 110 volt electric start mower, model #131.903501 with a model #143.284112 Tecumseh engine. It may fit other models as well. Please confirm that this part will fit your mower before purchase. It is in nice working condition. Payment within 2 days of purchase. I will combine shipping on multiple purchases when possible. If you are looking for a part that I don't have listed please ask, I might have one. Thanks for looking!