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: 8M-4992
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.:: |
8M-4992 |
Part Name:: |
O RING |
Machine: |
Tractor |
Material: |
NBR |
Color: |
BLACK |
Model: |
C7.1 C9.3B 3412 |
Part No.:: |
8M-4992 |
Part Name:: |
O RING |
Machine: |
Tractor |
Material: |
NBR |
Color: |
BLACK |
Model: |
C7.1 C9.3B 3412 |
1. Quick Details of seal 8M-4992:
| Part NO. | 8M-4992 |
| Machine | tractor |
| Size | 3.5 X 41 mm |
| Material | NBR |
| Oil seal type | O RING |
2. 8M-4992 picture:
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3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 519-7656 | 2353546 | 7F8268 |
| 7M8485 | 1075769 | 1790464 |
| 2287089 | 3J1907 | 277-9940 |
| 617540 | 4420366 | 152-3968 |
| 335879 | 1011983 | 326-7289 |
4. FAQ
Q: What is part number 8M-4992?
A: Part number 8M-4992 is an O-ring applied for bulldozer main pump suction port sealing.
Q: What hydraulic component does part 8M-4992 match on bulldozers?
A: This 8M-4992 O-ring is designed for the suction inlet joint of bulldozer main hydraulic pump.
Q: What raw material is used to manufacture this o-ring?
A: It is made of nitrile rubber, which has good compression resistance and stable oil resistance.
Q: What is the core function of this sealing ring?
A: It stops outside air from entering the suction circuit to avoid pump cavitation.
Q: Where is this O-ring usually placed?
A: It is installed in the groove between the pump suction flange and pipeline adapter.
Q: What performance feature matters most for this suction side seal?
A: It keeps reliable sealing under negative pressure condition at the pump inlet.
Q: What problem will occur once air leaks into the suction line?
A: The pump will produce abnormal noise and the whole hydraulic system will vibrate.
Q: What inspection work should we do before installation?
A: Check the sealing surface for pits and remove old rubber residue completely.
5. Exhibition and Wearhous
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