The Muncie 13T21496 is a genuine Muncie Power Products gasket, identified in the Muncie SP94-02 RG PTO Service Parts document as the Old Style gasket (position 17, item 2). It is designed for Muncie power take-off assemblies and is sold individually as a single unit. If you are working through a PTO overhaul or service repair and need to confirm whether this Old Style gasket matches your specific Muncie PTO model, give us a call at Pro Gear and Transmission and we can help you sort it out.FeaturesGenuine Muncie Power Products PTO gasketManufacturer designation: Old Style gasket, per Muncie SP94-02 RG PTO Service Parts documentListed as position 17, item 2 in the Muncie factory service parts breakdownSold as a single unit (each)Fits Muncie PTO assemblies requiring the Old Style gasket replacementUsed in this Muncie PTO modelRG Series