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: 4K-1388
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.:: |
4K-1388 |
Part Name:: |
O RING |
Machine: |
Logging Machine |
Material: |
NBR |
Color: |
BLACK |
Model: |
RM500B |
Part No.:: |
4K-1388 |
Part Name:: |
O RING |
Machine: |
Logging Machine |
Material: |
NBR |
Color: |
BLACK |
Model: |
RM500B |
1. Quick Details of seal 4K-1388:
| Part NO. | 4K-1388 |
| Machine | logging machine |
| Size | 2.95 x 26.62mm |
| Material | NBR |
| Oil seal type | O RING |
2. 4K-1388 picture:
![]()
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 1672235 | 0951728 | 8C5176 |
| 7M8485 | 7M8485 | 1790464 |
| 2287089 | 1357935 | 277-9940 |
| 617540 | 4420366 | 152-3968 |
| 335879 | 1011983 | 326-7289 |
4. FAQ
Q: Which engineering machine is the o-ring with part number 4K-1388 applicable to?
A: This 4K-1388 o-ring is designed for the hydraulic manifold block of skid steer loaders.
Q: What spare part category does component 4K-1388 fall under?
A: 4K-1388 is an o-ring, responsible for static sealing on the manifold block threaded ports.
Q: What raw material is used to manufacture this o-ring?
A: It is made of nitrile rubber, showing good aging resistance and stable sealing performance against hydraulic oil.
Q: What main function does this o-ring provide on the manifold block?
A: It seals the threaded connection ports and prevents pressure loss inside the hydraulic manifold.
Q: Where exactly will this o-ring be installed?
A: It sits inside the sealing groove of pipe thread joints connected to the manifold block.
Q: What factors will speed up the aging of this manifold o-ring?
A: Continuous high working temperature and mixed impurity in hydraulic oil will shorten its service life.
Q: Is this o-ring suitable for frequent start-stop working conditions of skid steer loaders?
A: Yes, it can cope well with repeated pressure fluctuations during frequent machine operation.
Q: What problem will arise once this o-ring loses sealing capacity?
A: Slow response of working attachments and oil sweating at the manifold joints will appear.
5. Exhibition and Wearhous
![]()
![]()
![]()
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More