Wholesale O Ring Kit NBR Oring Box O-Ring Kit Set for Doosan Excavator
Our Doosan Excavator O-Ring Kit is designed to deliver reliable sealing performance for hydraulic and pneumatic systems across a wide range of Doosan machines. This comprehensive set includes a full selection of metric and standard O-rings, helping you quickly replace worn seals and minimize downtime during repairs or maintenance.
| Material | NBR/ PTFE/ Acm/ Vmq/ FKM/ HNBR/ EPDM/ Silicone etc |
|---|
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
This O-ring kit is suitable for use in hydraulic cylinders, control valves, pumps, filters, and multiple sealing points on Doosan excavators. Whether you're servicing arm cylinders or replacing seal points in valves, this kit provides the correct sizes and materials to restore pressure integrity and prevent leaks.
Key Features:
- Complete kit includes a wide range of O-ring sizes
- Clear compartmentalized box with size markings
- Compatible with a wide range of Doosan excavators
- Ideal for hydraulic system maintenance, repair, and rebuild
Material Options & Properties
Each O-ring in this kit is made from high-performance sealing materials to ensure durability and chemical resistance:
🔹 Nitrile Rubber (NBR/Buna-N)
Temp Range: -30°C to 125°C
Features: Excellent oil resistance, affordable, ideal for general use in oil/water systems.
🔹 Fluororubber (FKM/FPM)
Temp Range: -20°C to 250°C
Features: Outstanding chemical, fuel, and high-temperature resistance.
🔹 Silicone (VMQ)
Temp Range: -60°C to 225°C
Features: FDA & RoHS compliant, great for heat and food-grade environments.
🔹 EPDM (Ethylene Propylene Diene Rubber)
Temp Range: -50°C to 150°C
Features: Excellent ozone, steam, and weather resistance, ideal for outdoor systems.
🔹 Neoprene (CR)
Temp Range: -44°C to 120°C
Features: High mechanical strength and fatigue resistance.
🔹 FFKM/FFPM (Perfluoroelastomer) (optional or available by request)
Temp Range: -42°C to 327°C
Features: Premium sealing for extreme chemicals and temperatures; long service life.
Doosan Compatibility
This O-ring kit is specifically assembled to match the seal requirements of multiple Doosan excavator models, such as:
- Doosan DH220, DH225, DH280, DX300, DX340, DX420, and more
- Suitable for booms, arms, buckets, main control valves, pumps, and cylinders
Note: For custom kit configurations based on specific Doosan models, please contact our sales team.
Quality & Inspection
All O-rings are manufactured under strict ISO 9001 quality standards. Each kit undergoes:
- Dimensional verification
- Material batch testing
- Pressure seal simulation for random sampling
- Oil resistance and heat aging tests for long-term reliability
Packaging Details
The kit comes in a durable, transparent plastic box with individual compartments and clear size labeling. Each O-ring is grouped by size and part number to simplify use during field servicing.
- Material: NBR / FKM / EPDM / Silicone / Custom
- Sizes: Standard metric/inch range (Custom available)
- Box Type: Hard plastic case with individual labeled slots
- Quantity: Varies by kit (e.g., red--382pcs o ring kit, blue--382pcs o ring kit, yellow-386pcs o ring kit)
Maintenance & Replacement Tips
- Replace O-rings regularly during scheduled hydraulic cylinder rebuilds or oil leakage events.
- Always match O-ring size and material to the original Doosan specifications.
- Store kits in a cool, dry place to preserve rubber properties and avoid premature aging.
Customization & Bulk Orders
We support custom O-ring kit assembly for specific models or maintenance needs. Logos, part numbers, and private-label packaging are also available upon request for distributors and OEM clients.
SHIPPING & DELIVERY
At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.
All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.
Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.
We offer flexible global shipping options, including:
- International sea freight for cost-effective bulk transport
- Air freight for urgent orders
- Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments
Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.
Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.
FAQ
Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.
Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.
Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.
Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.
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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
