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Oil Sealing
We specialize in aftermarket seal kits compatible with brands such as Caterpillar, Komatsu, JCB, and John Deere. We offer B2B bulk order consultation and large-scale procurement services. With years of industry experience, we provide wholesale and long-term bulk supply services to our global business partners. Submit your bulk order details, and our professional B2B team will provide you with competitive pricing, fast delivery times, and customized supply solutions within 24 hours.
Repairing an EC360C arm cylinder starts with matching the cylinder, not just the machine model. Ruijueparts supplies an aftermarket seal kit referenced to VOE14589140 / 14589140. Catalogued applications include selected EC360C dipper-arm cylinders; the same reference also appears in other excavator positions. Send the cylinder number and machine serial number for a fitment check before ordering. Our lookup system covers 100,000+ part numbers to support identification when your maintenance records are incomplete.
Part Number / SKU: VOE14589140
Reference Number: 14589140
Supplier: Ruijueparts
Compatible Equipment Make: Volvo
Product Type: Hydraulic Cylinder Seal Kit
Manufacturer Type: Aftermarket
Condition: New
Equipment: Hydraulic excavators.
Selected catalogued applications:
| Models | Cylinder position | Cylinder reference | Equipment function |
|---|---|---|---|
| EC360C L, LD, NL, HR; EC330C L, LD | Dipper arm / stick | 14549597 | Extends and retracts the stick during digging and material handling |
| EC460C HR | Boom | 14574729 | Raises and lowers the boom |
| EC460C HR | Dipper arm / stick | 14549597 | Moves the stick during digging |
| EC460C L, LD | Bucket | 14550077 | Curls and uncurls the bucket |
Fitment depends on the installed cylinder and applicable machine serial range. These references identify selected applications, not every cylinder fitted to each model.
Q1: Is VOE14589140 the correct arm cylinder seal kit for my Volvo EC360C?
It is catalogued for selected EC360C dipper-arm applications using cylinder 14549597. Check your full model designation, cylinder number and machine serial number before ordering. “EC360C” alone does not identify every cylinder configuration.
Q2: Why is 14589140 also listed as a boom or bucket cylinder seal kit?
The reference appears in different cylinder positions on different excavator models. For example, selected EC460C applications include boom and bucket cylinders. This does not make it interchangeable between all cylinders on your machine.
Q3: Can you help if the old seal-kit number is missing?
Yes. Send the machine identification plate, cylinder markings and any available parts-book reference. Ruijueparts provides lookup support using a system covering 100,000+ part numbers. If identification remains uncertain, we may request measurements or samples before recommending a kit.
Q4: Is this a genuine Volvo seal kit?
No. This is an aftermarket replacement supplied by Ruijueparts. Volvo model names and part numbers are used only to identify the intended application.
Our aftermarket seal kits deliver a practical, cost-effective solution without compromising on real-world performance. We offer a lower upfront cost and reliable sealing for your daily maintenance and repair needs.
We stock seal kits across CAT, Komatsu, Volvo, JCB, Hitachi, Doosan, John Deere, Kubota, and 10+ other brands—one supplier for your whole fleet.
Ship under RuijueParts branding, neutral (unbranded) packaging, or your own private label. Suitable for resellers and distributors.
When genuine OEM seals are out of production for your old machinery, we can custom-make oil seals using your dimensions or our engineer-recommended specifications.
Ship under RuijueParts branding, neutral (unbranded) packaging, or your own private label. Suitable for resellers and distributors.
Volume pricing for repair shops, dealers, and fleet operators. Get a quote via our website or WhatsApp: +86 13692100161.
OEM seal kits are the right choice when machinery is under active warranty, operating at peak duty cycles, or when failure risk is unacceptably high. Budget aftermarket—like Ruijue Parts—makes sense in these common scenarios:
When a machine is aging out of your fleet, OEM parts cost more than the job warrants. A budget kit extends service life without over-investing.
For machines used infrequently or on lower-intensity tasks, premium OEM pricing may not be justified.
When OEM stock is out or delivery takes weeks, an available aftermarket kit gets your machine running now.
Repair shops and fleet managers running high volumes of machines often balance OEM and aftermarket across their portfolio based on criticality.
Fully retract the cylinder and relieve system pressure before disassembly. Never work on a pressurized circuit.
Remove from the machine. Unthread the gland nut and withdraw the piston rod carefully to avoid surface damage.
Clean the bore, rod, and all metal parts with a lint-free cloth. Contamination introduced during reassembly accelerates seal wear—this step is especially important for budget-grade seals.
Check for scoring or pitting. Budget seals are more sensitive to surface imperfections—address rod damage before fitting new seals.
Lightly coat each seal with clean hydraulic fluid before installation. Use proper seal drivers — not screwdrivers or sharp tools — to avoid nicking the sealing lip.
Torque the gland nut to spec and cycle the hydraulic system under no-load conditions. Inspect for leaks before returning the machine to service.
Budget-grade seals may have shorter service intervals than OEM. Inspect rod seals for moisture, oil film, or weeping more frequently and replace proactively.
Contaminated fluid degrades seals faster — this applies especially to non-OEM materials. Replace fluid and filters on schedule.
When storing equipment with cylinders extended, protect rod surfaces from corrosion and debris to preserve wiper seal life.
Avoid using sharp tools during assembly to prevent nicks or scores on the seal lips. Pre-lubricating all components with clean hydraulic oil is recommended to ensure a smooth fit into the cylinder grooves.
Click "Add to Cart" for immediate dispatch, or contact our team for bulk pricing and wholesale support.
First order was a pleasant surprise-
great value for money.
Good! The 101529-00005 seal kit
performed exceptionally. No oil leaks,smooth operation.
Fast delivery and exactly as described.Highly recommend!
Seals fit well and arrived on time.
Good quality for the price.
