Mack 2519119644RU2221P2 Spindle Spacer is a mechanical spacer component used in spindle assemblies within compatible Mack equipment. It is identified by part number 2519119644RU2221P2, and is also listed in some records as 25191196 and 44RU2221P2. This spacer helps establish the correct axial spacing on a spindle assembly, contributing to proper alignment and operation of the connected components.
