YSK — Premium seal kits, honestly priced.
High-performance hydraulic seal kits assembled in-house from imported seal grades. Trusted by workshops in India and available for worldwide export.

Engineered where OEM prices sting the most.
Hydraulic seal kits are the highest-frequency wear item on any excavator. YSK exists so workshops and fleet operators — in India and abroad — no longer choose between OEM sticker shock and unreliable bazaar kits. We hold the middle line: premium build, honest price, export-ready packing.
- Boom cylinder kits
- Arm cylinder kits
- Bucket cylinder kits
- Swing motor kits
- Travel motor kits
- Main pump kits
Built to the specification, not to the price.
Imported Seal Grades
Manufactured from imported NBR, FKM and PU compounds for extended fatigue life.
Heat & Pressure Rated
Tested for continuous 350-bar service and 120°C sustained operating temperatures.
Model-Specific Assembly
Each kit assembled by trained technicians to exact OEM part configurations.
Batch-Tracked Quality
Every kit carries a batch code for traceability and warranty coverage.
200+ Models Covered
Boom, arm, bucket, swing and travel motor kits for major excavator lines.
Direct OEM Drop-In
Identical fitment — no machining, no shimming, no downtime penalty.