Premium Hitachi Excavator O-Ring Kits - Reliable Hydraulic Seal Repair Solutions
Prevent leaks and minimize downtime with our comprehensive Hitachi O-Ring Repair Kits. In the world of heavy machinery, a tiny seal can make a huge difference. Hydraulic leaks not only lead to expensive oil loss but can also cause system pressure drops and equipment failure.
Our Hitachi O-Ring Repair Kits are specifically designed to provide a comprehensive, one-stop sealing solution for repair shops, dealers, and machine owners.
Compatible Excavator Models
| ZAXIS (ZX) Series |
Models |
| Mini/Small |
ZX55UR, ZX60, ZX70, ZX75US, ZX120, ZX130 |
| Medium |
ZX200, ZX200-3, ZX200-5G, ZX210, ZX240, ZX250, ZX270 |
| Large |
ZX330, ZX330-3, ZX350, ZX360, ZX450, ZX470, ZX690, ZX870 |
| EX Series (Classic Models) |
| EX60, EX100, EX120-1/2/3/5, EX200-1/2/3/5, EX220, EX300, EX400 |
Product Overview & Variety
As shown in our warehouse stock photos, we offer multiple configurations to meet different repair needs:
- Standard Hitachi O-Ring Kit: A portable, essential kit for mobile service and quick fixes
- Multi-Layer Professional Kits (Kit 2 & 3): Deep-grid boxes containing a wider variety of sizes and higher quantities, perfect for large-scale workshops

Key Features & Benefits
- Superior Material Quality: Manufactured from high-grade Nitrile Rubber (NBR) or Viton (FKM). These seals offer excellent resistance to oil, wear, high temperatures, and aging—perfect for harsh hydraulic system environments
- OEM Precision Fit: Every O-ring is produced strictly according to Hitachi OEM standards. Precise inner diameters and cross-sections ensure a 100% tight fit, preventing any fluid seepage
- Organized for Efficiency: Each kit comes in a durable, partitioned plastic case with a detailed size chart, allowing mechanics to find the exact part in seconds and significantly reducing machine downtime
- Global Shipping & Ready to Ship: With our large-scale inventory, we guarantee fast processing and worldwide shipping to keep your projects on schedule

Why Buy From Us?
- Factory Direct Pricing: Get the best margins by skipping the middleman
- Reliable Quality: Tested for high-pressure durability
- Wholesale & Retail: We support both individual kit sales and bulk container orders
Contact Us for a Quote