VOE 11704893 – Back-up ring

The VOE 11704893 Back-up ring is a Volvo construction equipment spare part. A back-up ring is a rigid support ring installed adjacent to an O-ring to prevent extrusion under high hydraulic pressure, extending seal life.

This part is categorized under Working Hydraulics, Serve Hydraulics and Mechanical Equipment, Attachment applications. It is commonly installed on Volvo Excavators to ensure reliable system performance and operational safety.