The Muncie 18T38733 is a bearing spacer used in the FA6B Series Power Take-Off, manufactured to a 0.1315″/0.1295″ dimension tolerance as specified in Muncie’s FA6B PTO service parts documentation. The FA6B Series is designed for use with Allison and Aisin 6-bolt transmissions, featuring an angular housing that routes the clutch-shifted output below chassis obstructions. This spacer is a genuine Muncie service part from the SP11-03 FA6B PTO Service Parts list. Call us to confirm this is the correct part for your application before ordering.FeaturesGenuine Muncie service part for the FA6B Series Power Take-OffDimension: 0.1315″/0.1295″ bearing spacerListed in Muncie SP11-03 FA6B PTO Service Parts documentationFA6B Series fits Allison and Aisin 6-bolt transmissionsAngular housing design routes output below chassis obstructionsTech SpecsBearing Spacer Dimension: 0.1315″ / 0.1295″Application: Muncie FA6B Series Power Take-OffTransmission Compatibility (series-level): Allison and Aisin 6-boltUsed in this Muncie PTO modelFA6B Series