XCMG Spare Parts SUPPORT RING 75X70X9.7 803488014

XCMG Genuine Support Ring 803488014 – precision-engineered for hydraulic cylinder sealing systems. Sized at 75×70×9.7mm, this backup ring is a direct OEM replacement, built to stabilize seals and withstand heavy pressure in XCMG loaders, graders, and excavators.

Crafted from high-performance PTFE-based composite, it resists extrusion, abrasion, and deformation under extreme hydraulic loads. Its rigid yet flexible structure prevents seal failure, extends service life, and maintains consistent performance in harsh construction environments.

Precision-machined to strict factory tolerances, the support ring ensures a flawless fit into standard seal grooves. The smooth outer surface and exact dimensions eliminate installation gaps, reduce friction, and keep hydraulic systems leak-free during dynamic operation.

Designed for reliable performance in high-pressure cycles, it reinforces primary seals to prevent blowouts under sudden pressure spikes. Ideal for boom, bucket, and steering cylinders, it minimizes downtime and lowers maintenance costs for heavy-duty machinery.

Genuine XCMG quality assurance – part number 803488014 matches original equipment specifications. This support ring delivers dependable stability, superior durability, and perfect compatibility for maintaining your XCMG equipment at peak efficiency.