The Muncie 21T24420 is a genuine Muncie Power Products washer listed in Muncie’s official service parts documentation (SP86-05). Washers like this are precision-fit internal components used in PTO assembly and rebuild applications. Using the correct OEM washer ensures proper stack tolerances and consistent performance at reassembly. This part is sold by Pro Gear and Transmission. Not certain this is the right washer for your PTO? Give us a call and we’ll help you confirm the correct part for your application.FeaturesGenuine Muncie Power Products OEM washerPart number 21T24420 per Muncie service parts document SP86-05Designed for correct fit within Muncie PTO assembliesSold by Pro Gear and TransmissionUsed in this Muncie PTO modelSG Series