The Muncie Air Cover, part number 11720010000, is a genuine Muncie PTO replacement component designed for use with Muncie power takeoff units. The air cover serves as the pneumatic shift interface on air-actuated Muncie PTOs, sealing and directing air pressure to engage the unit. If you are sourcing this part for a specific truck or PTO configuration, give us a call and we can help confirm proper fitment before you order.FeaturesGenuine Muncie replacement partPart number 11720010000Designed for air-shift Muncie PTO applicationsFunctions as the pneumatic shift cover on Muncie PTO unitsSold by Pro Gear and Transmission