The Muncie K-20-S4 or K20S4 is a genuine Muncie solenoid valve fitting designed for PTO applications. This fitting serves as a connection point within the solenoid valve assembly, making it a direct-replacement service part when the original fitting is damaged or worn. Muncie Power Products has long supplied hydraulic and pneumatic PTO control components for the vocational truck market, and this fitting is sourced and sold by Pro Gear and Transmission. Not sure this is your part? Give us a call to confirm proper fit for your application.FeaturesGenuine Muncie part number K-20-S4 or K20S4Solenoid valve fitting for PTO applicationsDirect-replacement service fitting for Muncie PTO solenoid valve assembliesSold by Pro Gear and Transmission