Part Number 3946457-S having (CAGE Code 76700) and FSC 4820 Valves Nonpowered in stock with ready to ship. Get an instant quote for 3946457-S Valve Flapper by Cummins Filtration Inc. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.