MAIN REAR SEAL (JLG JL91404251)

A worn main rear seal can allow fluid leakage, leading to reduced system pressure and potential component damage. This aftermarket replacement part references the JLG catalog number JL91404251. The seal functions as a barrier between rotating and stationary surfaces, preventing fluid escape. A common failure consequence is gradual loss of lubricant, which may cause overheating or accelerated wear. During routine service, a technician might notice residue or wetness around the seal area. Keeping the seal in sound condition helps maintain consistent system performance. Verify the serial number or application, then call (562) 693-7748.

Part number variants: JL91404251, jl91404251