VP44 Fuel Injection Pump 3937690 for QSB5.9 Diesel Engine

Keywords: 3937690 VP44 fuel injection pump, QSB5.9 engine injection pump, excavator VP44 fuel pump, construction machinery spare parts

Product Overview

VP44 Fuel Injection Pump Part No.3937690 is an electronic distributor fuel pump specially designed for QSB5.9 diesel engine. It precisely controls fuel injection timing and injection volume, delivers high-pressure fuel to injectors, optimizes combustion efficiency and guarantees stable engine power output. Widely applied on excavators and heavy-duty construction machinery. It serves as the ideal replacement for failed VP44 injection pump during engine overhaul and maintenance.

Detailed Specifications

Key Features & Advantages

• Precise electronic control, accurate injection timing and fuel metering.
• Premium internal precision components, stable performance and long service life.
• Excellent sealing property, effectively prevent fuel leakage.
• Strong anti-vibration performance, adapt to harsh working conditions of construction sites.
• Original mounting dimension for direct fit and simple installation.
• Strict bench testing before shipment to verify pressure and performance.

Application Scope

Fit Equipment: Excavators and heavy‑duty construction machinery equipped with QSB5.9 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.