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Komatsu 6D125 Engine Overhaul Cylinder Liner Assembly

Engine Rebuild Kit
January 09, 2026
Category Connection: Engine Rebuild Kit
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Tags:
#Engine Overhaul Kit #Engine Repair Kit #engine repair parts
Brief: We show the practical steps and results so you can judge suitability quickly. This video provides a detailed walkthrough of the Komatsu 6D125 Cylinder Liner Assembly, demonstrating how this complete overhaul kit restores engine performance by addressing wear-related issues like oil consumption and power loss. You'll see the precision components, including the liner, piston, and rings, and learn how their high-quality construction ensures reliable operation in demanding construction machinery applications.
Related Product Features:
  • The cylinder liner is made of high-strength, wear-resistant alloy cast iron for extended service life in heavy-duty engines.
  • Precision-honed inner surface of the liner ensures optimal lubrication retention and long-term operational stability.
  • Matched piston rings provide excellent elasticity and fit, effectively reducing air leakage and oil consumption.
  • Complete assembly includes cylinder liner, piston, piston rings, piston pin, snap ring, and water seal ring for comprehensive overhaul.
  • Strict dimensional accuracy and high machining precision ensure smooth engine operation after installation.
  • Designed specifically for Komatsu 6D125 series diesel engines used in construction machinery under high-load conditions.
  • Solves common engine problems including insufficient compression, power loss, and excessive oil consumption.
  • Enables complete cylinder system repair in one operation, minimizing rework risk and reducing equipment downtime.
FAQs:
  • What engines is the 6D125 Cylinder Liner Assembly compatible with?
    This assembly is specifically designed for Komatsu 6D125 series diesel engines used in construction machinery and heavy equipment applications.
  • What components are included in the cylinder liner assembly?
    The complete assembly includes the cylinder liner, piston, piston rings, piston pin, snap ring, and water seal ring - everything needed for a comprehensive cylinder system overhaul.
  • How does this assembly address engine performance issues?
    It effectively resolves problems like excessive oil consumption, insufficient compression, and power loss by restoring precise cylinder sealing and piston movement through wear-resistant components and precise manufacturing.
  • What materials are used in the construction of these components?
    The cylinder liner is made from high-strength alloy cast iron, the piston from aluminum alloy, and the piston rings from high wear-resistant materials to ensure durability under demanding operating conditions.
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