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: 1H-8278
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.:: |
1H-8278 |
Part Name:: |
O RING |
Machine: |
Engine |
Material: |
NBR |
Color: |
BLACK |
Model: |
545C 525C |
Part No.:: |
1H-8278 |
Part Name:: |
O RING |
Machine: |
Engine |
Material: |
NBR |
Color: |
BLACK |
Model: |
545C 525C |
1. Quick Details of seal 1H-8278:
| Part NO. | 1H-8278 |
| Machine | Engine |
| Size | 196.44 mm |
| Material | NBR |
| Oil seal type | O RING |
2. 1H-8278 picture:
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3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 1672235 | 5P2235 | 8C5176 |
| 7M8485 | 1H5728 | 1790464 |
| 2287089 | 2357679 | 277-9940 |
| 617540 | 4420366 | 152-3968 |
| 335879 | 1011983 | 326-7289 |
4. FAQ
Q: Which construction machine does the o-ring with part number 1H-8278 fit for service?
A: This 1H-8278 o-ring is a sealing component matched for hydraulic line adapter fittings on motor graders.
Q: What spare part classification does component 1H-8278 fall into?
A: 1H-8278 belongs to the o-ring category, designed for static face sealing of hydraulic adapter joints.
Q: What raw material is used to manufacture this o-ring?
A: It is made of nitrile rubber, featuring good shape recovery and reliable resistance to hydraulic fluids.
Q: What is the core purpose of this o-ring on the hydraulic adapter?
A: It seals the connection interface to lock hydraulic oil inside and prevent pressure drop in the pipeline.
Q: Where will this o-ring be installed on the grader hydraulic circuit?
A: It sits within the sealing groove on the flat face of straight and angled hydraulic adapters.
Q: What can easily scratch and damage this o-ring during pipe disassembly?
A: Metal chips and rough burrs left on the adapter surface will cut the rubber ring easily.
Q: Can this o-ring withstand the vibration generated by grading and traveling?
A: Yes, its elastic property helps maintain sealing contact under normal working vibration.
Q: What issue will occur if this o-ring loses its sealing capacity?
A: Slow oil leakage at the adapter and insufficient power for grader lifting and tilting functions.
5. Exhibition and Wearhous
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