1U1770 Ring Backup Fits Caterpillar Models
1U1770 Ring Backup Fits Caterpillar Models
Regular price
$26.43 USD
Regular price
Sale price
$26.43 USD
Unit price
per
Shipping calculated at checkout.
Couldn't load pickup availability
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
- Internal Diameter: 256.40mm (approx. 10.09 in.)
- Type: Backup Ring (anti-extrusion ring)
- Application: Hydraulic sealing systems
Compatible Models
Caterpillar: Verify specific model compatibility using your machine serial number. Contact us with your model and serial number for fitment confirmation.
Replaces Part Number(s):
1U1770, 1U-1770
New aftermarket replacement part - not remanufactured, not used.
