VENT PLUG (JLG JL91144328)

A damaged vent plug can allow contaminants into a sealed housing, leading to premature component wear. During inspection, a vent plug may show cracks or clogging that compromise its pressure-equalizing function. The plug's primary mechanical role is to permit air passage while blocking dirt and moisture. Keeping a vent plug in sound condition helps maintain internal pressure balance and prevents oil leakage. This aftermarket replacement part references the JLG catalog number JL91144328. Verify the serial number or application, then call (562) 693-7748. The part is a vent plug, a type of breather that equalizes pressure in enclosed systems.

Part number variants: JL91144328, jl91144328