Manifold Fuel Return Pipe 3920595 for 6CT8.3 6B5.9 6C8.3 ISBE4 ISC8.3 ISL9 L9.3 QSB6.7 QSC8.3 Engine

Keywords: 3920595 manifold fuel return pipe, engine fuel return line, excavator fuel return tube, construction machinery spare parts

🔹Product Overview

Manifold Fuel Return Pipe Part No.3920595 is the fuel return pipeline assembly compatible with 6CT8.3, 6B5.9, 6C8.3, ISBE4, ISC8.3, ISL9, L9.3, QSB6.7, QSC8.3 diesel engines. It collects excess return fuel from injectors and sends fuel back to the fuel tank, maintaining stable fuel pressure in the fuel injection system. Widely fitted on excavators and heavy-duty construction machinery. It is the perfect replacement for rusted, cracked or leaking return pipes during engine overhaul and repair.

🔹Detailed Specifications

🔹Key Features & Advantages

• High strength metal pipe body, good anti-corrosion and anti-rust performance.
• Precision bending forming, fully consistent with original routing.
• Reliable joint sealing, effectively prevent fuel leakage.
• Resist vibration under long-time heavy load working environment.
• Exact port and thread size for direct fit and quick installation.
• Strict pressure leakage test before shipment to ensure safety.

🔹Application Scope

Fit Equipment: Excavators and heavy‑duty construction machinery equipped with 6CT8.3, 6B5.9, 6C8.3, ISBE4, ISC8.3, ISL9, L9.3, QSB6.7, QSC8.3 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.