803308807 o-ring 69×3.55 XCMG XE2000 excavator spare parts

XCMG XE2000 dedicated O-ring (803308807 69×3.55) – Protecting the hydraulic system to zero leakage in the smallest details!

In the complex and precise hydraulic system of the XCMG XE2000 large hydraulic excavator, the integrity of every seal is crucial. The small 69×3.55 O-ring (part number: 803308807) is a key component ensuring the sealing of hydraulic circuits, maintaining stable system pressure, and preventing internal and external leaks. Choosing genuine O-rings means choosing reliable sealing and low maintenance costs for your equipment!

Original factory precision ensures perfect sealing performance.

XCMG genuine O-rings (803308807) are manufactured strictly according to the dimensional tolerances and material requirements of hydraulic system interfaces, with a precise specification of 69mm inner diameter and 3.55mm wire diameter. Made of high-quality hydrogenated nitrile butadiene rubber (HNBR), they possess extremely high dimensional stability and resilience, perfectly filling sealing gaps, effectively resisting hydraulic oil impacts and pressure surges, and completely eliminating leakage.

▌Superior materials, resistant to high pressure and harsh environments

The materials, specifically designed for hydraulic systems in construction machinery, possess outstanding properties: high pressure resistance (≥30MPa), high temperature resistance (-35℃ to +150℃), resistance to hydraulic oil and lubricant corrosion, wear resistance, and aging resistance. Even under the harsh operating conditions of the XE2000 excavator—high load, high vibration, and high temperature—it can maintain its sealing performance for a long time, preventing system pressure drop, weak operation, or oil contamination caused by seal failure.

▌Preventive replacement, low-cost avoidance of major losses

O-rings are critical, periodically replaceable parts in hydraulic systems. Preventative replacement using genuine part number 803308807 during maintenance effectively prevents system performance degradation, oil waste, and environmental pollution caused by hydraulic leaks at a very low cost. This avoids greater maintenance losses and equipment downtime, making it a wise move to ensure equipment uptime and economic efficiency.

If your XE2000 is undergoing hydraulic system repair or maintenance, please be sure to use XCMG O-rings (part number 803308807)!

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318302400 steelpipe assembly XCMG XE2000 excavator spare parts

1 318302409 FLANGEASSEMBLY
2 318302405 RETURNWATERHOSEA
3 318302404 STEELPIPE ASSEMBLYA
4 318302408 RETURNWATERHOSEB
5 318302407 STEELPIPE ASSEMBLYB
6 318302406 RETURNWATERHOSEC
7 800163886 HOOP
8 329900303 THICKENED FLAT WASHER
9 805139877 SCREWM12×40
10 329900601 U-SHAPEDPIPE CLAMP
11 318800764 STEELPIPE CLAMP
12 805006287 BOLTM12×40
13 805238372 NUTM12
14 803308807 ORING69×3.55

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