Injector Fuel Supply Tube 3978036 for Engine 4B3.9 6C8.3 B3.3 B5.9 ISB ISBE6.7 ISD4.5 ISD6.7 QSB4.5 QSB6.7 QSB7 QSL9

3978036 Injector Fuel Supply Tube for cumm-ins 4B3.9 6C8.3 B3.3 B5.9 ISB ISBE6.7 ISD4.5 ISD6.7 QSB4.5 QSB6.7 QSB7 QSL9 Engine

Search Keywords

3978036, injector fuel supply tube, high pressure fuel pipe, cumm-ins 4B3.9 6C8.3 B3.3 B5.9 ISB ISBE6.7 ISD4.5 ISD6.7 QSB4.5 QSB6.7 QSB7 QSL9, diesel engine spare parts

Product Overview

ARKENOU Injector Fuel Supply Tube 3978036 is a high-pressure fuel line connecting fuel pump and injector. It delivers high-pressure diesel fuel steadily to fuel injectors, ensures precise fuel injection, maintains engine power and reduces fuel consumption. Widely used in cumm-ins multi-series diesel engines for construction machinery and heavy-duty vehicles.

Detailed Specifications

Key Features & Advantages

• ✅ High-quality seamless steel tube Excellent high-pressure resistance, robust and burst-proof.
• ✅ Precision CNC bending & precisely machined end fittings Strictly follows OEM dimensions for easy installation and perfect sealing.
• ✅ Strong anti-vibration and thermal fatigue performance Resists engine vibration and temperature variation to avoid oil leakage.
• ✅ 100% hydraulic pressure tested before shipment Rigorous quality inspection for stable sealing performance.
• ✅ Direct replacement part for engine overhaul & maintenance

Application Scope

• cumm-ins 4B3.9 / 6C8.3 / B3.3 / B5.9 / ISB / ISBE6.7 / ISD4.5 / ISD6.7 / QSB4.5 / QSB6.7 / QSB7 / QSL9 diesel engines
• Suitable for excavators, loaders, heavy trucks and other engineering machinery & commercial vehicles

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. Injector fuel supply tube packed in branded blue plastic protective bag with ARKENOU label
2. Outer reinforced 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 injector fuel supply tubes or other construction machinery engine spare parts, please send your part list to us. We will offer you our best quotation immediately.