Genuine replacement cylinder bushing designed specifically for Komatsu excavators and dozers. Manufactured from high-performance PTFE composite material with metal reinforcement, this bushing provides superior guidance and protection for hydraulic cylinders, significantly extending the service life of sealing systems.

• Excellent Wear Resistance: Extended service life under high-load conditions
• Superior Oil Resistance: Compatible with all hydraulic fluids
• Corrosion Protection: Resists chemical degradation in harsh environments
• Low Friction Coefficient: PTFE material ensures smooth operation
• Precision Engineering: Exact OEM dimensions for perfect fit
• Heat Resistance: Stable performance in variable temperatures

• Provides precise piston rod guidance and alignment
• Protects cylinder inner walls from wear and damage
• Extends overall seal and cylinder service life
• Reduces maintenance frequency and equipment downtime

This bushing is typically used with:

• Piston U-Seal
• Piston Buffer Ring
• Wear Ring
• Dust Ring
• O-Ring
• Backup Ring
• U-Seal Backup

Contact us for complete part number listing and custom size requirements.

Packaging: Inner PP bag + Outer carton box (export-ready)

Manufactured to meet or exceed original Komatsu specifications. Each bushing undergoes rigorous quality control to ensure perfect dimensional accuracy and material performance.

• Komatsu excavator hydraulic cylinder repair
• Dozer cylinder maintenance
• Hydraulic system overhaul
• Preventive maintenance programs

Mido Oil Seal was founded in 2007 and specializes in construction machinery oil seals. With over 1,000 varieties in stock and a professional team for purchasing, selling, packing, shipping and after-sale service.