Engine Piston 6151‑31‑2511 For Komatsu 6D125 S6D125‑1

Keywords: 6151‑31‑2511 engine piston, Komatsu 6D125 S6D125‑1 piston, diesel engine iron piston, excavator engine spare parts, aftermarket construction machinery engine components

Product Overview

This engine piston part number 6151‑31‑2511 fits Komatsu 6D125, S6D125‑1 diesel engines. It is a core moving part inside engine cylinder, working together with piston rings to complete gas compression, combustion power output, transferring explosive force to crankshaft. Produced to OEM dimensional standards, it serves as high‑quality replacement for cracked, worn, burnt original piston during engine repair and overhaul.

Detailed Specifications

Key Features & Advantages

• OEM precise dimension, direct install without modification Matches original bore size, pin hole dimension and overall height perfectly, direct fit without extra machining.
• High‑strength cast iron material Excellent high‑temperature resistance, impact resistance, anti‑deformation performance under heavy‑load working conditions.
• Fine surface treatment & extended service life Optimized surface processing, reduce cylinder liner abrasion, decrease blow‑by gas and engine oil consumption.
• Strict factory inspection & performance test Every piston passes dimension measurement and appearance inspection before leaving factory.
• Perfect interchangeability & easy maintenance Ready‑to‑use replacement spare part, ideal for engine overhaul and field repair jobs.

Application Scope

• Fit Equipment: Excavators, bulldozers and construction machinery powered by Komatsu 6D125, S6D125‑1 engine
• Widely used for machinery repair workshops, equipment fleet maintenance and engine overhaul projects.

Our Company Advantage

• We are professional supplier of full‑range construction machinery spare parts, supplying hydraulic parts, engine parts, electrical parts, seal kits and complete overhaul kits.
• Large ready stock for various machinery spare parts
• Factory‑direct wholesale competitive price
• Mixed‑order & one‑stop spare‑parts procurement supported
• Professional part‑number matching technical support service

Packaging & Shipping

• Anti‑collision inner package, protect parts during transportation
• Export‑grade outer carton for safe sea and land transportation
• Multiple shipping options: sea freight, air freight, international express for small trial orders
• Export documents such as Commercial Invoice, Packing List can be provided.

Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.