JSPSEAL supplies hydraulic seals, cylinder seal kits and O-rings for construction machinery and industrial hydraulics. Send part numbers or specifications for a quote.
From standard hydraulic seals to complete repair kits, Explore hydraulic seals and repair seal kits for selected construction machinery and industrial hydraulic applications. Confirm size availability with our team.
Rod seals, piston seals, wiper seals, buffer rings, wear rings, and backup rings for all hydraulic cylinder applications.
Complete seal kits for hydraulic breakers, precisely matched to OEM specifications for reliable on-site repair.
OEM-matched kits for CAT, Hitachi, Komatsu, Volvo, JCB, John Deere, Hyundai, Case, and more equipment brands.
High-durability floating seals designed for undercarriage systems in excavators and heavy construction machinery.
NBR and FKM O-rings with complete kits available, suitable for a wide range of sealing applications and environments.
Direct replacement seals matching original equipment manufacturer part numbers with competitive pricing and quality.
From OEM part identification to after-sales technical assistance — we support the full lifecycle of your sealing systems.
We locate and match OEM part numbers precisely, ensuring you get the exact seal components your equipment requires.
International-standard inspections at every stage. Dimensional accuracy, material testing, and performance validation.
Expert guidance on material selection, design optimization, and application-specific sealing solutions.
Comprehensive support and problem-solving for any issues during product use, ensuring optimal performance.
JSPSEAL began serving the earthmoving aftermarket in 1998 and expanded its manufacturing facility in 2005.
Our seal kits match OEM part numbers precisely, ensuring seamless identification and drop-in replacement for your existing equipment.
Cost-effective aftermarket sealing options. Select materials and dimensions to match the requirements of your specific application.
Over a decade of export experience enables us to navigate transportation challenges, ensuring prompt and reliable delivery worldwide.
Our sealing products serve critical roles across the world's most demanding industrial environments.
Excavators, loaders, and heavy equipment
Extreme-condition sealing systems
Manufacturing & processing lines
High-pressure sealing solutions
Submit drawings, seal dimensions, material requirements and operating conditions for evaluation.
Fluororubber, silicone, PTFE and advanced polymers selected for your exact thermal and chemical requirements.
Compression, injection, and CNC turning ensure precise geometries for both mass production and bespoke orders.
Annealing, coating, and polishing enhance wear and corrosion resistance for maximum service life.
Rigorous dimensional, hardness, and sealing performance tests ensure every product meets specification.