The Muncie 18T42644 is a thrust washer designed for Muncie power takeoff units. Thrust washers in PTO assemblies control axial load and limit end-play between rotating components, making correct part selection critical to proper PTO operation. Part number 18T42644 identifies this as a direct Muncie replacement component. No additional dimensional or material data is available in our current product file for this part. If you need to verify fitment against your specific Muncie PTO model, call Pro Gear and Transmission and we can help track down the right part for your unit.FeaturesGenuine Muncie replacement thrust washerPart number 18T42644Designed for use in Muncie power takeoff assembliesControls axial load and end-play between rotating PTO componentsCall Pro Gear and Transmission to confirm fitment for your specific PTO modelUsed in these Muncie PTO modelsCS40 SeriesCS41 Series