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Guangzhou Opal Machinery Parts Operation Department

8C5218 Piston Rod Seals 5J4990 Polyurethane Hydraulic Rod Seals

Product Details:
Place of Origin: China
Brand Name: OUB
Certification: ISO9001
Model Number: 5J4990 8C5218
Payment & Shipping Terms:
Minimum Order Quantity: 5 Set/Accept trial order
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, MoneyGram
Supply Ability: 1000Set
  • Detail Information
  • Product Description

Detail Information

Stock: In Stock Speed (m/s): 0.03~1.0
Temperature (DEG): -35~100 Stress (Mpa): 35
Color: Yellow Material: Polyurethane (U801)
Application: Cylinders
High Light:

8C5218 Piston Rod Seals


Piston Rod Seals


Polyurethane Hydraulic Rod Seals

Product Description

5J4990 Polyurethane Hydraulic Rod Seals Piston Rod Seals For 8C5218

Hydraulic Rod Sealing Ring

Working Pressure:≤31.5MPa
Working Speed:≤0.5M/S
Working Temperature:-35~+80℃


Picture Preview:

 8C5218 Piston Rod Seals 5J4990 Polyurethane Hydraulic Rod Seals 0 8C5218 Piston Rod Seals 5J4990 Polyurethane Hydraulic Rod Seals 1

Part No.

5J4988 5J8150 4S7805 5S6296
5J4989 8C9122 3F8638 7B2174
5J4990 7J9885 9M4849 8H9520
8C9134 2S5867 8S8858 9H8839
8C3840 7H2423 5M2667 2F6678
8C5218 4M7022 7S3206 3K9619


Q1: Are you trading company or manufacturer?
A:We are trading company and we also have our own factory to produce seals.With more than 20 years of PU manufacturing experience.
Q2: How to guarantee your after sales service?
A: 1.Strict inspection during production
A: 2.Recheck the products before shipment to ensure our packaging in good condition
A: 3.Track and receive feedback from our customer

Q3:If I only know the excavator model, but can not offer parts No., what should I do ?

A: If possible, you can send us pictures of old products, nameplate or the size for reference.

Q4:What is your main products ?

A:We are specialized in the excavator spare parts, such as travel motor gearbox/ass’y/parts, swing gearbox/ass’y/motor/parts, hydraulic pump assy/parts and gear parts. If you need other excavator parts, we also can supply as your requirements.

Q5: Do you have a tracking number?

A: Yes, we will send you the tracking after we ship the goods.

Q6: How long is your delivery time?

A: Generally it takes 5days if we have stock.

Otherwise it takes about 10-15days depending on the qty.


If you has any questions about the product, In our receiving and knowing the situation, we will help you to solve the problem in the first place.As long as your requirements are reasonable, we will endeavour to make you satisfied.

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