Front-end Loader Hydraulic Cylinder Kit for Case
Discover premium Case Wheel Loader Seal Kits engineered to restore hydraulic performance and extend machine life. Each kit includes high-quality seals designed for lift, tilt, and steering cylinders, ensuring leak-free operation even under heavy-duty conditions. Compatible with a wide range of Case wheel loader models, these OEM replacement kits provide reliable sealing, reduce downtime, and deliver long-lasting value for construction and earthmoving operations.
| 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.
Case wheel loaders rely heavily on hydraulic power for lifting, tilting, and maneuvering heavy loads. Over time, the seals inside hydraulic cylinders deteriorate, leading to oil leakage, pressure loss, and reduced efficiency. Our Case Wheel Loader Seal Kit provides a complete replacement solution, helping operators restore hydraulic integrity and extend the working life of their machines. By ensuring reliable sealing, this kit helps prevent unplanned downtime and supports optimal machine productivity.
Key Features & Advantages
- Premium Sealing Materials – Manufactured with top-grade rubber, polyurethane, and PTFE, each seal delivers high elasticity, wear resistance, and superior compatibility with hydraulic oil.
- Reliable Hydraulic Protection – Prevents leakage in critical areas such as boom, arm, and bucket cylinders, keeping your backhoe loader operating at peak performance.
- Extended Service Life – With advanced molding and heat-treatment processes, these seals offer long-lasting performance, reducing the need for frequent replacements.
- Cost-Effective Maintenance – Helps minimize downtime and repair costs by ensuring consistent sealing performance over long operating cycles.
- OEM-Compatible Fitment – Developed to meet or exceed Volvo factory standards, ensuring accurate fit and easy installation.
Manufacturing Process of Seal Kits
Our seal kits are manufactured with strict quality controls to guarantee consistency:
Precision Material Weighing
Each raw material, including polyurethane, PTFE, and rubber compounds, is accurately weighed according to strict formulation standards. This ensures consistent chemical properties, balanced elasticity, and reliable performance across every seal.
Mold Preparation & Material Placement
High-precision molds are thoroughly cleaned and preheated before material placement. The prepared compound is carefully filled into the mold cavities to avoid defects such as bubbles or uneven density, ensuring flawless shaping of the seals.
High-Pressure Compression Molding
Using advanced compression molding machines, the materials are subjected to high temperature and pressure. This process guarantees excellent dimensional accuracy, uniform density, and the proper hardness required to withstand hydraulic pressure and harsh jobsite conditions.
Rigorous Quality Inspection
Every finished seal undergoes strict inspection procedures, including dimensional checks, surface finish evaluation, and sealing performance tests. Only seals that meet international OEM standards are packaged and delivered, ensuring reliable operation for your machine.
Material & Manufacturing Quality
The seals included in this kit are made from premium-grade rubber compounds and polyurethane materials, selected for their resistance to high pressure, abrasion, and temperature fluctuations. Each component undergoes precision molding and inspection to ensure tight tolerances and consistent performance. With advanced sealing lip design and wear-resistant properties, these seals deliver superior performance under demanding construction, mining, and loading conditions.
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
Compatible Case Wheel Loader Seal
This seal kit is suitable for a wide range of Case wheel loader models, including but not limited to:
- Case 521 Series, Case 621 Series, Case 721 Series, Case 821 Series, Case 921 Series
Whether for lift cylinders, tilt cylinders, or steering cylinders, our kit is engineered to match OEM specifications, ensuring seamless installation and compatibility.
| Part Numbers | |||||||
|---|---|---|---|---|---|---|---|
| 135352A1 | 1542915C2 | 1542919C1 | 1542919C4 | 1542923C2 | 1543256C1 | 1543260C1 | 1543266C1 |
| 1543267C1 | 1543269C1 | 1543279C1 | 87363451 | 87529743 | 87530718 | 87705824 | 87715786 |
OEM replacement fitment with reference part numbers available upon request
Why Choose Our Seal Kit?
- Leak Prevention: Prevents costly hydraulic oil leaks and maintains cylinder pressure.
- Extended Service Life: Durable materials extend replacement intervals and reduce maintenance costs.
- OEM Replacement Standard: Manufactured to meet or exceed original Case specifications.
- Field-Tested Reliability: Proven performance in construction sites, quarries, and other demanding environments.
Maintenance Recommendations
To maximize the performance of your Case Wheel Loader Seal Kit:
- Regularly check hydraulic cylinders for early signs of wear or leakage.
- Keep hydraulic oil clean and replace it according to Case service intervals.
- Replace seals proactively during major service to avoid sudden machine downtime.
- Ensure proper installation by using clean tools and avoiding contamination during assembly.
Application Scenarios
This seal kit is ideal for Case wheel loaders working in:
- Construction Projects – Efficient material handling and site preparation.
- Quarries & Mines – Enduring harsh conditions with high resistance to dust and debris.
- Agriculture & Forestry – Supporting loaders in versatile tasks like soil movement and material transport.
- Heavy-Duty Loading Operations – Sustaining reliable hydraulic power for long working hours.
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.
