Excavator Boom Arm Bucket Hydraulic Cylinder Seal Kit for Volvo Digger
The Volvo Excavator Hydraulic Seal Kit is designed to provide reliable sealing solutions for boom, arm, and bucket cylinders across multiple Volvo models. Manufactured from premium wear-resistant materials, these seal kits deliver exceptional durability, ensuring leak-free hydraulic performance even under heavy-duty applications. With precise dimensions and OEM compatibility, they help Volvo excavators maintain consistent power, reduce downtime, and extend overall machine service life.
| Material | NBR/ PTFE/ ACM/ VMQ/ FKM/ HNBR/ EPDM/ Silicone and etc |
|---|---|
| MOQ | 5 Pieces |
| Pressure | Up to 690bar(10000psi) |
| Working Temperature | -40–120℃(according to the material) |
| Color | Black/Orange/Brown/White/Brown |
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Kinton Seals is trusted by professionals worldwide for providing high-quality seal kits for excavators, dozers, loaders, and other heavy machinery, ensuring reliable performance and long-lasting durability.
Volvo excavators are widely recognized for their efficiency, fuel economy, and operator-friendly design. To keep their hydraulic systems running at peak performance, using a reliable seal kit is essential. Our Volvo Excavator Hydraulic Seal Kit provides a complete sealing solution that prevents oil leakage, protects against contamination, and maintains consistent hydraulic pressure. Whether your machine operates in construction, mining, or forestry, our seal kits ensure stability and reliability.
Manufacturing Process & Quality Control
Before being packed and delivered, our Volvo hydraulic seal kits go through a strict production workflow:
Precision Material Weighing
Each raw material block is carefully weighed with high-accuracy equipment before processing. This ensures that every seal ring starts with the exact material volume required for its specific size and application, preventing inconsistencies in density or performance.
Mold Preparation & Material Placement
After weighing, the prepared material is positioned onto the appropriate mold. Our workshop is equipped with a wide variety of molds to match different seal ring diameters and cross-sections. The correct mold selection guarantees precise shaping, while careful placement avoids defects such as uneven thickness.
High-Pressure Compression Molding
The molds are then set under specialized compression machines, where controlled pressure and temperature are applied. This process allows the material to be fully formed into a durable seal with consistent hardness and elasticity. Strict monitoring ensures every batch meets dimensional accuracy and structural integrity.
Rigorous Quality Inspection
Each batch of seals undergoes rigorous testing after molding. Technicians check for dimensional accuracy, surface smoothness, hardness, and sealing resilience. Any defective products are filtered out, ensuring that only seals with stable performance and long service life proceed to packaging.
Seal Kit Composition
Our excavator seal kits are composed of multiple sealing elements that work together to ensure performance:
- Piston Seals – Maintain fluid separation between high- and low-pressure zones.
- Rod Seals – Prevent fluid leakage during piston rod movement.
- Dust Seals / Wipers – Protect cylinders from contaminants such as dust, mud, and water.
- O-Rings & Backup Rings – Ensure precise fitting and eliminate micro-leaks under pressure.
- Wear Rings – Reduce metal-to-metal contact and improve cylinder alignment.
This comprehensive structure ensures that Volvo machines maintain peak hydraulic efficiency across diverse working conditions
OEM Fitment & Compatibility
Our hydraulic seal kits are engineered for a wide range of Volvo excavator models, including but not limited to:
- EC210, EC240, EC290 – mid-size excavators for construction and quarrying.
- EC360, EC380, EC480 – heavy-duty excavators for mining and large-scale earthmoving.
- EC55, EC60 – compact excavators designed for urban projects.
| Part Numbers | |||||||
|---|---|---|---|---|---|---|---|
| 11709029 | 11709817 | 11704252 | 11707023 | 11707024 | 11709829 | 11709226 | 11704689 |
| 11999892 | 119999895 | 11988358 | 14512948 | 14512950 | 14512961 | 14512968 | 14513715 |
| 14513726 | 14513727 | 14514454 | 14514455 | 14514457 | 14515051 | 14515052 | 14516932 |
| 14519503 | 14519504 | 14519505 | 14521940 | 14530716 | 14530719 | 14530833 | 14542086 |
| 14589122 | 14589129 | 14589131 | 14589132 | 14589133 | 14589134 | 14589135 | 14589139 |
| 14589141 | 14589143 | 14589144 | 14589145 | 14589156 | 14589157 | 14589158 | 14589336 |
| 14589338 | 14589709 | 14589711 | 14589714 | 14589719 | 14589720 | 14612138 | 14618212 |
| 14618214 | 14618215 | 14542035 | 803800010 | 804800010 | 804800110 | 804800120 | 814810031 |
| 814810071 | 814810101 | 814810121 | 814810141 | 814811011 | 814811021 | 814811031 | 814813021 |
| 814814021 | 814815010 | 814815020 | 814816020 | 814816040 | 814816030 | 813000420 | 813000400 |
| 813000450 | 813000460 | 813000470 | 813000480 | 813000530 | 813000540 | 813000550 | 11999893 |
| 990596 | SA 9511-22100 | 14508911 | 14509280 | 11709832 | 14513714 | 14515053 | 14513718 |
| 14549708 | 14589138 | 14589159 | 14612139 | 804800080 | 814813011 | 813000430 | 804800070 |
| 14519158 | 14589127 | 14589140 | 14589337 | 14618213 | 814810051 | 814813011 | 813000440 |
If you have a specific OEM part number or cylinder code, our team can cross-check and provide the correct replacement kit.
Quality Control and Reliability
To match Volvo’s strict engineering standards, each hydraulic seal kit undergoes multiple inspections. From hardness testing to oil resistance evaluation, every batch is traceable with full QC records. This ensures consistent quality and long service life, minimizing downtime and repair costs for operators.
Why Choose Our Volvo Excavator Seal Kits?
- OEM-accurate fit – Easy installation without modification.
- Extended durability – Designed for high-pressure, high-cycle hydraulic systems.
- Cost-effective solution – Reduce oil leaks, save maintenance time, and extend component lifespan.
- Wide availability – Support for multiple Volvo models and cylinder types.
Material Overview for Seal Kits
Volvo excavators are known for their precise hydraulic control and efficiency, which requires equally precise sealing solutions. Our seal kits are manufactured using premium materials such as:
Nitrile Rubber Buna(NBR, BUNA-N)
Temperature Range:-30 to 125 ℃
Hardness:60-90 Shore A
Color: Black
Use: Oil & Water Resistance Situation Advantage: Excellent oil resistance, performance and stability, widely used, cheaper
Fluororubber(FKM,FPM)
Temperature Range:-20 to 250℃
Hardness:70-90 Shore A
Color: Black/Brown/Green
Use: Oil & Chemical Resistance Situation
Advantage: Wear resistance, acid and alkali resistance, high temperature resistance situation
Silicone (VMQ )
Temperature Range: -60 to 225 ℃
Hardness: 50-70 Shore A
Color: Red/Black/Blue/White/Transparent, etc
Use: Heat& Food Situation(FDA, RoHS Approved)
Advantage: Good heat resistance, cold resistance, lubrication oil resistance, water resistance safety & reliable to human body
Ethylene Propylene Rubber(EPDM, EPM)
Temperature Range:-50 to 150 ℃
Hardness: 60-90 Shore A
Color: Black
Use: Ozone, water vapor situation
Advantage: Excellent oxidation resistance ozone resistance and erosion resistance
Perfluoroelastomer(FFKM, FFPM)
Temperature Range: -42 to 327 ℃
Hardness:60-95 Shore A
Color: Black / White
Advantage: Long-term, proven performance, can mean less frequent seal changes, repairs and inspections, increasing process and equipment uptime in productivity and yield.
Neoprene Rubber(CR )
Temperature Range:-30 to 125 ℃
Hardness:60-90 Shore A
Color: Black
Use: Oil & Water Resistance Situation Advantage: Excellent oil resistance, performance and stability, widely used, cheaper
By combining these materials with advanced molding and precision cutting technology, every kit achieves OEM-level sealing performance.
Maintenance Recommendations
- Inspect seals during every scheduled cylinder overhaul.
- Replace seals immediately if hydraulic oil leakage, pressure loss, or unusual cylinder noise occurs.
- Use clean hydraulic oil and replace filters regularly to extend seal life.
- Store unused seal kits in a dry, cool place away from direct sunlight.
At Kinton Seals, we understand that reliable delivery is just as important as product quality. Our goal is to ensure that every order of Seal Kits for excavators, bulldozers, wheel loaders, and other heavy machinery reaches our customers safely, on time, and in perfect condition.
Packaging & Protection
- Standard Export Packaging – Each seal kit is carefully packed in moisture-proof and dust-proof bags, ensuring seals remain clean and undamaged during storage and transportation.
- Layered Protection – Kits are placed in sturdy cartons, and for bulk shipments, cartons are further reinforced with pallets and stretch film to minimize impact during handling and transit.
- Customization Options – We provide OEM/ODM packaging services, including branded boxes, barcodes, and special instructions, helping partners strengthen their brand presence in local markets.
- Extra Protection – For bulk shipments, cartons and pallets are reinforced to reduce the risk of damage in transit.
Order Processing & Lead Time
- Standard Seal Kits – For large quantity orders, lead time is usually 7–10 working days, as each kit requires precise matching of every seal, followed by labeling and packaging.
- Custom Seal Kits – For tailored requirements or non-standard models, production and assembly typically take 15–30 days, especially if new tooling or mold development is required.
- Sample Orders – Small batch or sample kits can often be prepared faster, subject to stock availability.
Delivery Options
- Air Freight for urgent orders
- Sea Freight for bulk shipments
- Courier Express (DHL, FedEx, UPS) for small packages and samples
Quick Quote Request
Kinton Seals is trusted by professionals worldwide for providing high-quality seal kits for excavators, dozers, loaders, and other heavy machinery, ensuring reliable performance and long-lasting durability.
