4F-8420 4F8420 82.55mm Diameter U-Shaped Cup Sealing Gasket Replacement Part of 660B 633C 651
1. Quick Details of seal 4F-8420:
| Part NO. | 4F-8420 |
| Machine | Wheeled bulldozer |
| Size | 82.55mm |
| Material | Cast Iron |
| Type | PACKING SEAL |
2. 4F-8420 picture:
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 6J9733 | 5J8150 | 7F8268 |
| 4F7387 | 1J9671 | 8325525 |
| 8E5742 | 4J8997 | 1237272 |
| 5F8000 | 1H1023 | 9M2092 |
| 7F8268 | 4J5351 | 4J5267 |
| 7G4822 | 5D4311 | 6V5049 |
4. FAQ
Q: What machine does part number 4F-8420 fit for?
A: Part number 4F-8420 piston seal ring is used for bulldozer hydraulic cylinder.
Q: What is the part name of 4F-8420?
A: The part name of 4F-8420 is piston seal ring, belonging to piston seal category.
Q: What material is this piston seal ring made of?
A: It is made of high strength cast iron with good wear resistance.
Q: What is the main function of this piston seal ring?
A: It prevents hydraulic oil leakage between piston and cylinder barrel.
Q: Where will this 4F-8420 seal ring be installed?
A: It is mounted on the piston inside the hydraulic cylinder of bulldozer.
Q: What pressure condition can this seal ring withstand?
A: It can work steadily under high hydraulic pressure in cylinder system.
Q: Does this seal ring need to be replaced together with other seals?
A: It is recommended to replace with the whole seal kit for better sealing effect.
5. Exhibition and Wearhous
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More
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