7137770 713-7770 Anti‑Extrusion Hydraulic Seal Repair Kit For Backhoe Loader Hydraulic Cylinder Replacement Parts

1. Quick Details of  seal 7137770 :

2. 7137770 picture:

3. Service part number :

4. FAQ

Q: Does this kit cover all sealing spares needed for cylinder overhaul work?
A: Yes, the full set includes buffer seals, wiper seals, piston seals and auxiliary sealing parts.

Q: Does this kit supply all sealing spare parts needed for cylinder full maintenance?
A: Yes, the complete set includes rod seals, buffer seals, wiper seals and matching auxiliary seals.

Q: How do these seals perform under sudden hydraulic pressure spikes?
A: POM support rings prevent seal extrusion and keep stable sealing under pressure impact.

Q: Are these sealing accessories suitable for muddy construction job‑site conditions?
A: The outer wiper can clear mud and debris to protect the main sealing lip from scratch damage.

Q: Are all sealing parts manufactured strictly for standard cylinder groove sizes?
A: Every accessory is precision sized so that it can fit into the cylinder installation groove smoothly.

Q: Will continuous reciprocating movement cause obvious wear on sealing surfaces?
A: Optimized PU formula improves wear resistance and prolongs the service cycle of whole assembly.

Q: Can I reuse any old seals when rebuilding?

A: No, reusing seals is never recommended. Even if they look undamaged, they lose elasticity and develop hidden wear. Always install all new seals from the kit for a reliable rebuild.

5. Exhibition and Wearhous

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