The Muncie Piston, part number 1210300400, is a genuine Muncie replacement component for PTO units. Muncie PTOs are widely used in vocational truck applications, and using the correct OEM-spec piston helps maintain proper engagement and operation within the PTO assembly. Pro Gear and Transmission carries genuine Muncie parts for buyers who need the right component the first time. Not sure this is the correct piston for your unit? Give us a call and we can help you confirm the right fit before you order.FeaturesGenuine Muncie PTO replacement pistonPart number: 1210300400Designed for use in Muncie PTO assembliesOEM-spec component for proper PTO engagement and operationSold by Pro Gear and Transmission