Kitchenaid Part Number W10447372. KITCHENAID 6.9L 7QT INTERFERENCE FILTER (RFI). The RFI Filter may be suitable for other models. 5KSM7581ACA0, 5KSM7581AFP0, 5KSM7581AMS0, 5KSM7581AOB0. 5KSM6521XEAC0, 5KSM6521XEAC0, 5KSM6521XEER0, 5KSM6521X EFP0.