XCMG Spare Parts O RING 115X2.65 803309577

This is a genuine XCMG O-ring seal, part number 803309577, with standard dimensions 115mm inner diameter × 2.65mm cross-section. It is a precision-engineered sealing component designed exclusively for use in various XCMG construction machinery models.

Manufactured from high-grade nitrile rubber (NBR), it delivers excellent resistance to hydraulic oils, fuels, lubricants, and common industrial chemicals. The material offers stable performance under moderate pressure and temperature conditions typical of heavy equipment hydraulic and fluid systems.

Strictly molded to XCMG’s original specifications, it ensures perfect fit and alignment within designated grooves. Its precise dimensional tolerance eliminates leaks, twists, or pinches during installation and operation.

Primarily used for static sealing in hydraulic pipelines, joints, valves, and connection ports on XCMG excavators, loaders, and other machinery. It prevents fluid leakage, dust ingress, and contamination to protect critical components.

As a genuine XCMG replacement part, it guarantees reliable performance, extended service life, and full compatibility. Ideal for routine maintenance, overhauls, and repair jobs to keep equipment running efficiently with minimal downtime.