Caterpillar 1052579 — Ring Backup
Part number: 1052579 · Brand: Caterpillar · Condition: New Aftermarket · Category: farm
One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Excavators This backup ring (also listed as BU-Ring or Ring-Backup) is a hydraulic cylinder seal component used in bucket, stick, and hydraulic cylinder assemblies on Caterpillar (Cat) excavators. Backup rings support primary seals under high-pressure hydraulic conditions, preventing seal extrusion and maintaining cylinder integrity during operation. Compatible Models Caterpillar Excavators: 318B, 318B N, 318C, 319D L, 319D LN, 32
Price: USD 46.80
In stock — worldwide air & ocean freight.