The Muncie GSK-106F or GSK106F is a genuine Muncie O-ring designed for the Trlf502 power takeoff. Muncie O-rings are sealing components critical to maintaining proper fluid containment within the PTO assembly. Ordering by the correct part number ensures you receive the right seal geometry for the Trlf502 application. Pro Gear and Transmission carries genuine Muncie PTO parts. Call us to confirm this is the correct seal for your specific unit before ordering.FeaturesGenuine Muncie replacement O-ringDesigned for the Trlf502 PTOPart number: GSK-106F or GSK106FCritical sealing component for fluid containment in the PTO assemblySold by Pro Gear and Transmission