The Muncie 21T63591 is a genuine thrust washer designed for Muncie lowbox PTO units. Thrust washers in lowbox PTO assemblies manage axial load and control end-play between rotating components, making correct part identification critical before ordering. Pro Gear and Transmission carries this part directly. If you are cross-referencing against a rebuild kit or matching this to a specific Muncie lowbox model, call us to confirm the application before ordering.
Features
Muncie part number 21T63591
Designed for Muncie lowbox PTO assemblies
Functions as a thrust washer to manage axial load and end-play control
Genuine Muncie replacement part
Call Pro Gear and Transmission to confirm fitment for your specific lowbox model
