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: 2H-3931
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.:: |
2H-3931 |
Part Name:: |
O RING |
Machine: |
Truck |
Material: |
NBR |
Color: |
BLACK |
Model: |
225D 315C 350-A |
Part No.:: |
2H-3931 |
Part Name:: |
O RING |
Machine: |
Truck |
Material: |
NBR |
Color: |
BLACK |
Model: |
225D 315C 350-A |
1. Quick Details of seal 2H-3931:
| Part NO. | 2H-3931 |
| Machine | Truck |
| Size | 82.14mm |
| Material | NBR |
| Oil seal type | O RING |
2. 2H-3931 picture:
![]()
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 6J9733 | 1654854 | 7F8268 |
| 7M8485 | 3670576 | 1790464 |
| 2287089 | 4M7021 | 277-9940 |
| 617540 | 1121579 | 152-3968 |
| 335879 | 1011983 | 326-7289 |
4. FAQ
Q: What is the part number of this circular sealing ring?
A: The part number is 2H-3931, it is a static O-ring designed for motor grader transmission oil drain plug sealing.
Q: What construction machinery uses the O-ring with part number 2H-3931?
A: Part number 2H-3931 O-ring is matched for the threaded drain plug assembly of motor grader transmission gearbox.
Q: What raw material is adopted to manufacture this O-ring?
A: This O-ring is produced from high quality NBR rubber with excellent gear oil resistance and good anti-aging performance under heat.
Q: What main sealing function does this O-ring provide?
A: It seals the clearance between drain plug and gearbox housing to prevent transmission gear oil leakage and keep dirt out of the gear chamber.
Q: Where is this O-ring installed on the motor grader?
A: It is fitted into the annular groove on the threaded shoulder of the transmission oil drain plug.
Q: What performance feature does NBR have for transmission drain plug sealing?
A: NBR maintains stable elasticity under the working temperature of transmission oil and absorbs vibration generated by gear rotation.
5. Exhibition and Wearhous
![]()
![]()
![]()
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More