Engine Cylinder Liner, cylinder sleeve, 4309476, 5290937, 6LT9.3 L9.3 engine parts, excavator diesel engine cylinder liner, engine overhaul spare parts

Product Overview

Engine Cylinder Liner Part No.4309476 / 5290937 is high-performance cylinder sleeve compatible with 6LT9.3 and L9.3 diesel engines. It is installed inside the engine cylinder block, forming the combustion chamber together with piston and piston rings. It bears high temperature, high pressure and friction during engine operation. It is an essential wearable replacement part for excavator and heavy construction machinery engine overhaul and maintenance.

Detailed Specifications

Key Features & Advantages

• High-grade cast iron material, excellent wear resistance and heat resistance.
• Precision honing inner surface, good lubrication performance, reduce piston ring abrasion.
• Strict dimensional tolerance control, perfect fit with cylinder block.
• Stable mechanical performance, resist high temperature and pressure under heavy-duty operation.
• Strict quality inspection before shipment, long service life.

Application Scope

Fit Equipment: Heavy machinery equipped with 6LT9.3, L9.3 diesel engine. Widely used for machinery repair shops, engine rebuilding factories and heavy‑duty equipment overhaul services.

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 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

• 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.