803303446 o-ring 56.74×3.53-S XCMG XE2000 excavator spare parts

XCMG XE2000 excavator-specific O-ring (56.74×3.53-S) – Leak-proof! Product Name: XCMG XE2000 Excavator O-ring Seal (Original Part Number: 803303446)

Specifications: 56.74×3.53-S (Outer Diameter × Wire Diameter)

Key Selling Points

Military-Grade Sealing Standard: Uses imported hydrogenated nitrile butadiene rubber (HNBR)
Temperature Range: -40℃ to +150℃
Compressive Strength: 35MPa

Extra-Long Service Life: 300% Improved Wear Resistance
200% Improved Aging Resistance
Average Service Life: 5000 Working Hours

Perfect Fit: Designed specifically for XE2000 hydraulic systems
Precise Dimensions: 56.74×3.53mm
Tolerance Controlled within ±0.02mm

Technical Parameter Comparison

Parameters: Original Part/Standard Part
Material: Hydrogenated Nitrile Butadiene Rubber/Standard Nitrile Butadiene Rubber
Temperature Resistance: -40~150℃/-20~100℃
Pressure Resistance: 35MPa/15MPa
Lifespan: 5000h/1500h

Applicable Parts:

✔ Hydraulic Cylinder Piston Seals

✔ Pump and Valve Connection Seals

✔ Pipeline Joint Leak Prevention

✔ Rotary Joint Seals

Customer Testimonials:

“After replacing the O-rings with genuine ones, the hydraulic system has no more leaks!” — Equipment Supervisor of a road and bridge company in Shaanxi

“One sealing ring solved a big problem, saving tens of thousands of yuan in repair costs!” — Inner Mongolia Mining Group

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*For other spare parts procurement needs, please contact us!

318307584 steel pipe assembly

1 318307586 1 WELDED STEEL PIPE
2 803303446 1 ORING 56.74×3.53-S AS568
3 805139879 4 SCREW M12×45 GB/T70.1-2008

#XCMG XE2000 Seals, Excavator O-rings 803303446, 56.74×3.53-S Seals, Hydraulic System Leak Prevention Accessories, Genuine Rubber Seals#