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: VOE14588978
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.:: |
VOE14588978 |
Part Name:: |
SEAL RING |
Model: |
EC750D, EC750E, EC950E |
Machine: |
Excavator |
Material: |
PU |
Color: |
Copper |
Part No.:: |
VOE14588978 |
Part Name:: |
SEAL RING |
Model: |
EC750D, EC750E, EC950E |
Machine: |
Excavator |
Material: |
PU |
Color: |
Copper |
1. Quick Details of seal VOE14588978:
| Part NO. | VOE14588978 |
| Machine | Excavator |
| Size | OEM |
| Material | PU |
| Type | RING SEAL |
2. VOE14588978 parts on group :
![]()
| NO. | PART NO. | PRAT NAME | QTY |
| VOE14713690 | Cylinder | 2 | |
| 1 | VOE14682071 | Tube | 1 |
| 2 | VOE14727030 | Bushing | 1 |
| 3 | VOE14596527 | Seal | 2 |
| 4 | VOE914167 | Lubricating nipple | 1 |
| 5 | VOE14682075 | Rod | 1 |
| 6 | VOE14727030 | Bushing | 1 |
| 7 | VOE14596527 | Seal | 2 |
| 8 | VOE14714217 | Head | 1 |
| 9 | VOE14588978 | Bushing | 1 |
| 10 | VOE14589000 | Ring | 1 |
| 11 | VOE14588979 | Ring | 1 |
| 12 | VOE14596463 | Cushion | 1 |
| 13 | VOE14588670 | Piston | 1 |
| 14 | VOE14883743 | Set screw | 1 |
| 15 | VOE14588456 | Bolt | 12 |
| 16 | VOE14588973 | Seal | 1 |
| 17 | VOE14883644 | Seal | 1 |
| 18 | VOE14692079 | Seal | 1 |
| 19 | VOE14588972 | Ring | 1 |
| 20 | VOE990659 | O-ring | 1 |
| 21 | SA9566-31250 | Back-up ring | 2 |
| 22 | VOE990648 | O-ring | 1 |
| 23 | VOE14692082 | Seal | 1 |
| 24 | VOE14588821 | Ring | 2 |
| 25 | VOE14588970 | Seal | 2 |
| 26 | VOE14880995 | Ball | 1 |
| 27 | SA7281-11070 | Plug | 1 |
| 28 | VOE14883647 | Back-up ring | 1 |
| 29 | VOE14713114 | Sealing kit | 1 |
3. VOE14588978 picture:
![]()
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 6J9733 | 5J8150 | 7F8268 |
| 8175504 | 5J8275 | 1H5728 |
| 5J8175 | 8150500 | 2H3928 |
| 6J9178 | 5J8150 | 4J9220 |
| 158-8979 | 249-6670 | 3P0655 |
| 2701820 | 5K9090 | 8175504 |
| 249-6670 | 6V8400 | 5J8175 |
5. FAQ
Q: What heavy construction machine can use spare part VOE14588978?
A: VOE14588978 piston seal ring is designed for excavator hydraulic cylinder piston assembly.
Q: What is the part category and formal part name of VOE14588978?
A: VOE14588978 falls into piston seal ring category, it is a bidirectional hydraulic sealing spare component.
Q: What materials are adopted for manufacturing this piston seal ring?
A: It uses filled PTFE sealing surface paired with PU elastic back ring for heavy pressure conditions.
Q: What is the primary working function of this piston seal ring?
A: It blocks cross leakage of hydraulic oil on both sides of piston to maintain stable cylinder thrust.
Q: Where is this piston seal ring fitted on the hydraulic cylinder assembly?
A: It is installed inside the piston groove of bucket hydraulic cylinder of excavator.
Q: What key advantages does this PTFE+PU composite piston seal own?
A: It features low friction coefficient, strong extrusion resistance and long service life under continuous heavy load.
Q: What hydraulic pressure level can this piston seal ring withstand steadily?
A: It can sustain high hydraulic pressure commonly seen in heavy-duty excavator hydraulic circuits.
Q: What operational symptom will occur if this piston seal ring wears out?
A: Internal oil leakage inside cylinder will reduce bucket digging force and slow down cylinder response.
6. Exhibition and Wearhous
![]()
![]()
![]()
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More