5pcs PU Hydraulic Seal 18x30x8mm, Piston Rod Oil Seal

Upgrade your hydraulic system with these high-performance 18x30x8mm polyurethane (PU) hydraulic seals. Designed for piston rods with an internal diameter of 18mm and outer diameter of 30mm, these seals feature a single lip U-cup design for optimal sealing efficiency. Each pack includes five seals, ensuring you have replacements ready for maintenance or repairs.

These PU oil seals are engineered to prevent lubricant leakage while maintaining smooth operation of moving parts. Their durable rubber construction resists wear and tear, providing long-lasting performance even under high-pressure conditions. Easy to install without modification or trimming, these seals are a reliable solution for hydraulic cylinders, pumps, and other industrial applications.