5343091 5305190 Piston, L9.3 Diesel Engine Piston Assembly, Construction Machinery Engine Spare Parts, Engine Overhaul Parts

Product Overview

Piston Part No.5343091 / 5305190 is a heavy-duty piston assembly for L9.3 machinery diesel engine. It converts combustion gas pressure into mechanical power, working together with cylinder liner, piston rings and piston pin. This complete set includes piston, piston pin and retaining circlips, widely used for engine overhaul and maintenance of heavy construction equipment.

Detailed Specifications

Key Features & Advantages

• High-strength alloy material, good heat dissipation and anti-fatigue performance.
• Precision CNC machining, stable operation under high temperature and heavy load.
• Matched piston pin and circlips, ready for direct installation.
• Strict quality test before shipment, low thermal deformation, long service life.
• Accurate dimension tolerance, perfect match with cylinder liner.

Application Scope

Fit Equipment: Heavy machinery fitted with L9.3 diesel engine. Suitable for machinery repair shops, engine rebuilding factories and heavy equipment overhaul projects.

Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying engine parts, hydraulic parts, electrical parts, seal kits and complete overhaul kits.

• Large ready stock for various engine pistons & overhaul spare parts
• Factory‑direct wholesale competitive price
• Mixed‑order & one‑stop spare‑parts procurement supported
• Professional part‑number matching technical support service

Packaging & Shipping

• Shock-proof inner packing + export neutral carton, prevent collision damage during long‑distance 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.