Caterpillar 1U1770 — Ring Backup
Part number: 1U1770 · Brand: Caterpillar · Condition: New Aftermarket · Category: farm
Cross-references / OEM numbers: 1U-1770
One New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Equipment This backup ring (part number 1U-1770) is a hydraulic sealing component used in Caterpillar construction and industrial equipment. Backup rings are installed alongside primary O-rings to prevent seal extrusion in high-pressure hydraulic systems, protecting the sealing assembly from pressure surges and extending overall service life. This ring measures 256.40mm (approximately 10.09 in.) internal diameter. Specifications I
Price: USD 34.36
In stock — worldwide air & ocean freight.