The Muncie part number 49T40023 is a genuine Muncie piston designed for Muncie power takeoff units. Pistons are internal actuating components critical to proper PTO engagement and operation. Sourcing the correct piston by exact part number helps ensure the unit functions as designed. Pro Gear and Transmission carries genuine Muncie parts for professional buyers who need the right component the first time. Not sure this is your part? Give us a call to confirm proper fit for your specific PTO unit.FeaturesGenuine Muncie pistonPart number 49T40023Designed for Muncie PTO unitsSold by Pro Gear and TransmissionUsed in these Muncie PTO modelsSH6 SeriesSH8 Series