Fuel Supply Tube Kit 3944690 for Engine 6C8.3 B5.9 ISL9 QSC8.3 QSB6.7 QSL9

3944690 Fuel Supply Tube Kit for cumm-ins 6C8.3 B5.9 ISL9 QSC8.3 QSB6.7 QSL9 Engine

Search Keywords

3944690, fuel supply tube kit, injector high pressure fuel pipe set, cumm-ins 6C8.3 B5.9 QSB6.7 QSL9 engine spare parts

Product Overview

ARKENOU Fuel Supply Tube Kit 3944690 is a complete high-pressure fuel pipe set designed for cumm-ins 6C8.3, B5.9, ISL9, QSC8.3, QSB6.7 and QSL9 diesel engines. It conveys high-pressure fuel from the fuel pump to injectors to maintain stable fuel injection, ensuring reliable engine power and combustion efficiency for construction machinery.

Detailed Specifications

Key Features & Advantages

✅ Premium seamless steel tubing Withstands high working pressure, burst-resistant and leak-proof.

✅ CNC precision bending & machined end connections Matches OEM dimensions, direct fit for quick replacement.

✅ Anti-fatigue & corrosion-resistant surface treatment Excellent stability under engine vibration and temperature cycling.

✅ Full pressure inspection before shipment Minimize fuel leakage risk for heavy-duty equipment.

✅ Complete tube kit, ideal for engine overhaul and repair jobs

Application Scope

• cumm-ins 6C8.3 / B5.9 / ISL9 / QSC8.3 / QSB6.7 / QSL9 diesel engines
• Widely used on excavators, loaders and other construction machinery equipped with above engines

Our Company Advantage

We are a professional supplier of full range cumm-ins and construction machinery engine spare parts, including fuel supply tubes, camshaft bushings, piston kits and overhaul kits.

• Ready stock for multiple engine series
• Competitive factory direct price
• Fast shipment for in‑stock goods
• Accept mixed container order for one‑stop spare parts purchasing
• Provide professional technical matching service for your part number inquiry

Packaging & Shipping

1. Fuel tube kit packed in branded blue plastic protective bag with ARKENOU label
2. Outer export carton for sea shipment
3. Support sea freight, air freight, express delivery for small trial order
4. Full export documents available: Commercial Invoice, Packing List

Contact Us

If you need fuel supply tube kits or other construction machinery engine spare parts, please send your part list to us. We will offer you our best quotation immediately.