XCMG Spare Parts KIDNEY WEAR RING 150004425
Description
This genuine XCMG Kidney Wear Ring, part number 150004425, is a factory-spec replacement component engineered for precise fitment within XCMG hydraulic cylinders and heavy machinery assemblies. It serves as a critical wear element, designed to protect the cylinder rod and gland from direct metal-to-metal contact during operation.
Machined from high-strength, wear-resistant cast iron or engineered polymer composite (per original XCMG material specifications), this ring provides a durable bearing surface. Its primary function is to absorb radial loads and maintain proper rod alignment, significantly extending the service life of the cylinder barrel and piston rod seals .
The 150004425 features precision-ground outer and inner diameters, ensuring correct clearance and concentricity within the cylinder head. This tight tolerance reduces internal leakage and maintains consistent hydraulic pressure, which is vital for smooth and predictable implement operation .
Manufactured to XCMG's original equipment quality standards, this wear ring offers excellent resistance to abrasion, extrusion, and the corrosive effects of hydraulic fluid additives. It is a direct replacement for the factory-installed part, guaranteeing compatibility and restoring like-new cylinder performance .
Installation of this genuine XCMG component minimizes piston rod scoring and prevents costly cylinder re-chroming or replacement. For maximum service life, always replace the kidney wear ring as part of a full cylinder seal kit rebuild or whenever cylinder drift or uneven wear is observed .









