263G847261 SEAL;DUST HITACHI for ZW220-5A/QSB6.7

Precision-Engineered for Maximum Contaminant Exclusion – The Essential First Line of Defense for Your Critical Components.
The dust seal is your equipment's primary barrier against dirt, mud, water, and abrasive debris. This genuine Hitachi dust seal is precisely engineered to fit mating surfaces—such as piston rods, shafts, and hydraulic cylinder heads—preventing contaminants from reaching critical seals, bearings, and moving components. By keeping harmful particles out, it preserves lubrication integrity, reduces wear, and ensures reliable operation in even the harshest environments, from muddy construction sites to dusty mining operations.

Advanced Material Design for Long-Term Sealing Performance – Durable Elastomers with Optimized Lip Geometry.
Manufactured from high-grade, wear-resistant elastomers such as polyurethane or nitrile rubber (NBR), this genuine dust seal features a precision-molded lip profile that maintains constant, tight contact with the moving surface while allowing smooth reciprocating or rotating motion. The material formulation resists ozone, UV exposure, and temperature extremes, retaining its flexibility and sealing effectiveness over time. A precisely engineered interference fit ensures the seal stays securely in place, providing long-lasting protection without causing excessive friction or heat buildup.