Guangzhou Opal Machinery Parts Operation Department vivianwenwen8@gmail.com 86-135-33728134
Product Details
Place of Origin: China
Brand Name: OUB
Certification: ISO9001
Model Number: 5H-7704
Payment & Shipping Terms
Minimum Order Quantity: 10
Price: Negotiable
Packaging Details: PP Bag Inside.outer is carton with film wrapped.
Delivery Time: Within 5-15 days after getting your desposit
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 1000Pcs
Part No.:: |
5H-7704 |
Part Name:: |
O RING |
Machine: |
Truck |
Material: |
NBR |
Color: |
BLACK |
Model: |
834 824B 844 814B |
Part No.:: |
5H-7704 |
Part Name:: |
O RING |
Machine: |
Truck |
Material: |
NBR |
Color: |
BLACK |
Model: |
834 824B 844 814B |
1. Quick Details of seal 5H-7704:
| Part NO. | 5H-7704 |
| Machine | truck |
| Size | 94.61mm |
| Material | NBR |
| Oil seal type | O RING |
2. 5H-7704 picture:
![]()
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 1672235 | 8150500 | 8C5176 |
| 7M8485 | 1H5728 | 1790464 |
| 2287089 | 5W4819 | 277-9940 |
| 617540 | 4420366 | 152-3968 |
| 335879 | 1011983 | 326-7289 |
4. FAQ
Q: Which construction machine does the o-ring with part number 5H-7704 suit for installation?
A: This 5H-7704 o-ring is a sealing component specially designed for the hydraulic pump inlet port of wheel excavators.
Q: What spare part category does component 5H-7704 fall into?
A: 5H-7704 belongs to the o-ring category, responsible for static sealing at the pump inlet connection interface.
Q: What raw material is used to manufacture this o-ring?
A: It is made of nitrile rubber, with good low-temperature flexibility and stable tolerance to hydraulic oil.
Q: What main function does this o-ring provide on the pump inlet port?
A: It stops air from being sucked into the hydraulic system and prevents oil leakage at the inlet joint.
Q: Where exactly will this o-ring be mounted?
A: It sits in the annular groove between the hydraulic pump inlet flange and pipeline adapter.
Q: What problem will accelerate aging of this inlet port o-ring?
A: Air bubbles and impurities mixed in hydraulic fluid, plus continuous pump vibration during operation.
Q: Can this o-ring work well under the suction negative pressure of the pump inlet?
A: Yes, its elastic structure can maintain close contact under normal negative suction pressure.
Q: What abnormal performance will occur if this o-ring loses sealing ability?
A: Hydraulic pump cavitation noise and shaky movement of excavator working arms will show up.
5. Exhibition and Wearhous
![]()
![]()
![]()
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More