JOLAU 5pc PU Hydraulic Seal Kit 30x42x7mm

JOLAU PU Hydraulic Seal Kit – Engineered for optimal performance in hydraulic systems. This premium 5-piece set features single-lip U-cup oil seals with a 30mm inside diameter, 42mm outside diameter, and 7mm thickness. Constructed from durable polyurethane (PU) with high-quality steel reinforcement, these seals deliver superior resistance to wear, rust, and corrosion while maintaining reliable sealing under pressures up to 35 MPa and speeds below 0.5 m/s.

Designed for easy installation—typically completed in under an hour using basic tools like a vice or wrench—this rebuild kit is ideal for restoring hydraulic cylinders, pistons, and glands. Backed by a 100% satisfaction guarantee, each kit includes bubble-packaged seals for protection. Perfect for industrial, automotive, or machinery applications where reliability and longevity are critical.