24V Fuel Transfer Pump 3990106 for Engine QSB QSB5.9 6B 5.9L

Keywords: 3990106 fuel transfer pump, 24V electric fuel pump, QSB QSB5.9 6B 5.9L fuel supply pump, diesel engine transfer pump, excavator engine fuel spare parts, aftermarket replacement fuel transfer pump

🔹Product Overview

24V Fuel Transfer Pump Part No.3990106 is an electric fuel supply component for QSB, QSB5.9, 6B 5.9L diesel engines. It delivers diesel fuel from fuel tank to fuel injection system, maintains stable fuel pressure for normal engine startup and continuous running. This complete pump assembly comes with installation accessories, works as high‑quality replacement for failed original pump. It effectively repairs troubles such as hard starting, insufficient power, engine stalling caused by pump motor burnout, internal valve damage and fuel delivery shortage. Each fuel transfer pump undergoes pressure test, flow detection and circuit inspection before delivery.

🔹Detailed Specifications

🔹Key Features & Advantages

• OEM‑consistent mounting dimension and plug interface, direct plug‑and‑play installation without wiring modification.
• Stable 24V electric motor, steady fuel flow and working pressure, guarantee reliable fuel supply under heavy‑load operation.
• Good sealing performance for pump body, prevent fuel leakage, adapt to harsh high‑vibration working environment.
• Complete with gaskets, bolts and connecting hose, convenient for one‑step installation during field repair.
• Solve engine hard start, power shortage and sudden shutdown faults, important maintenance spare part for QSB 5.9L series engine.

🔹Application Scope ‑

Fit Equipment: Excavators, trucks, generator sets and heavy‑duty industrial machinery powered by QSB, QSB5.9, 6B 5.9L diesel engine. ‑ Widely applied for machinery repair shops, vehicle service yards and engine 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 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

Neutral export carton with shock‑proof inner packing, 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.