707-44-80070 7074480070 RING,PISTON OF D21A-8E0 D21AG-7
1. Quick Details of seal 707-44-80070:
| Part NO. | 707-44-80070 |
| Machine | Excavator |
| Size | OEM |
| Material | NBR |
| Type | RING SEAL |
2. 707-44-80070 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 101-63-52241 | CYLINDER | 1 |
| 2 | 707-29-80920 | HEAD,CYLINDER | 1 |
| 3 | 07177-04025 | BUSHING | 1 |
| 4 | 707-51-40210 | PACKING,ROD | 1 |
| 5 | 198-63-75190 | SEAL,DUST | 1 |
| 6 | 07179-12052 | RING,SNAP | 1 |
| 7 | 07000-12075 | O-RING | 1 |
| 8 | 07001-02075 | RING,BACK-UP | 1 |
| 9 | 07000-02080 | O-RING | 1 |
| 10 | 101-63-52231 | ROD,PISTON | 1 |
| 11 | 707-36-80910 | PISTON | 1 |
| 12 | 707-44-80070 | RING,PISTON | 1 |
| 13 | 07155-00820 | RING,WEAR | 1 |
| 14 | 01580-02722 | NUT | 1 |
3. 707-44-80070 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 707-51-14110 | 707-98-25870 | 707-98-36630 |
| 707-98-64410 | 707-98-39700 | 707-98-66410 |
| 707-98-64420 | 707-98-37680 | 707-98-56210 |
| 707-98-64450 | 707-98-64450 | 707-98-67110 |
| 707-98-25910 | 707-98-36700 | 707-98-56610 |
| 707-99-64150 | 707-99-77250 | 707-51-95650 |
| 707-99-64152 | 707-99-77300 | 707-98-26441 |
5. FAQ
Q: What type of construction machinery does part number 707-44-80070 suit for?
A: Part number 707-44-80070 piston seal ring is designed for excavator bucket hydraulic cylinder.
Q: Could you confirm the part name and product category of 707-44-80070?
A: The part name of 707-44-80070 is piston seal ring and it is classified as piston seal ring series.
Q: What materials compose this piston seal ring?
A: It is made of PTFE sliding seal paired with FKM rubber energizer for high oil resistance.
Q: What is the main working function of this piston seal ring?
A: It prevents internal hydraulic oil leakage to keep stable output force of bucket cylinder.
Q: Where is this piston seal ring installed on the bucket cylinder?
A: It is installed in the piston groove inside the hydraulic cylinder for excavator bucket.
Q: What kind of working environment can this seal ring adapt to?
A: It fits harsh working conditions with fluctuating pressure and high hydraulic oil temperature.
Q: What tips do you suggest for installing this piston seal ring?
A: Check the piston groove for burrs before installation to avoid scratching the PTFE surface.
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