Part number: 6H3977
Component type: O-ring
Manufacturer: GX-AFTER
Application: excavator, brackhoe loader,loaders, grader
The CAT O-ring with part number 6H3977 is a quality sealing component designed for use in construction machinery, especially brackhoe loader, loader, grader. It is made from durable material resistant to oils, greases, and demanding operating conditions.
This O-ring provides reliable sealing for hydraulic and mechanical connections, helping to prevent leaks and ensuring proper system performance and extended service life. The GX-AFTER replacement part is a dependable aftermarket alternative to OEM components.
Data sheet
Specific References
Manufacturer
Responsible person



The CAT O-ring with part number 6H3977 is a quality sealing component designed for use in construction machinery, especially brackhoe loader, loader, grader.

















