High‑Quality Replacement Piston with Pin for Yanmar 4TNE98

Keywords: 4TNE98 Engine Piston, Yanmar 4TNE98 Piston With Piston Pin, Diesel Engine Piston Assembly, 4TNE98 Excavator Piston, Forklift Engine Replacement Piston, Construction Machinery Engine Spare Part, Aftermarket Overhaul Piston Kit

🔹Product Overview

4TNE98 piston complete with piston pin and circlips is a core power component for Yanmar 4TNE98 diesel engine, widely applied on excavators, forklifts and other compact construction machinery. The piston bears high‑temperature combustion pressure, converts gas expansion power into mechanical power, and cooperates with piston rings to realize gas sealing and oil scraping. Our aftermarket piston adopts high‑strength aluminum alloy material, strictly cast, machined and heat‑treated according to OEM specification. It features good thermal conductivity, high temperature resistance and deformation resistance, stable performance under heavy‑load cyclic working conditions. It is reliable replacement spare part for engine overhaul to solve piston ablation, crack, wear and engine oil burning failure.

🔹Detailed Specifications

🔹Key Features & Advantages

• ✅ Precise OEM Dimension Standard Outer diameter, pin bore, combustion chamber and ring groove size fully comply with OEM drawing, perfect match cylinder liner and piston rings for direct installation.
• ✅ Premium High‑Strength Aluminum Alloy Material Adopt special engine piston aluminum alloy, excellent high‑temperature resistance, not easy to soften or crack under long‑time high‑temperature combustion environment.
• ✅ Professional Heat‑Treatment Process Stable internal material structure, low thermal expansion coefficient, effectively prevent piston seizure and deformation under engine temperature change.
• ✅ Fine Surface Machining Smooth skirt surface reduces friction loss, good guiding performance inside cylinder liner, lower abnormal wear risk.
• ✅ Complete Assembly Accessories Comes with matched piston pin and circlips, convenient for engine overhaul assembly, save matching work for repair shops.

🔹Application Scope

Compatible Equipment List: ‑ Excavators, forklifts and compact construction machinery equipped with Yanmar 4TNE98 diesel engine ‑ Suitable for construction machinery and material‑handling equipment engine repair & overhaul projects

🔹Our Company Advantage

We are professional supplier of full‑range Yanmar diesel engine & excavator replacement spare parts. Our product portfolio includes pistons, cylinder liners, piston rings, bearing sets, oil pumps, full gasket kits and other engine rebuild components. ‑ Large ready stock for various Yanmar engine piston assemblies ‑ Factory direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping ‑

Inner thick foam protective package to avoid collision and scratch during transit ‑ Outer reinforced export carton for long‑distance sea and land transportation ‑ Multiple shipping selections: sea freight, air freight, international express for small trial orders ‑ Export documents including Commercial Invoice, Packing List can be provided

🔹Contact Us

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