# Injector fuel line Cyl. 3, Cyl. 4,5 Cummins 3978034 – used

> Cummins Injector Fuel Supply Tube 3978034, a key component of the fuel system for diesel engines.

- Category: [fuel system](https://wibako.com/shop/diesel-engines-parts/fuel-system.md)
- Manufacturer: Cummins
- Part number: 3978034
- Stock number: 71050
- Condition: used
- Price: 33.48 EUR gross (27.22 EUR net)
- Availability: in stock

Injector fuel line Cyl. 3, Cyl. 4,5 Cummins – used. Fits: Engine Cummins QSB6.7, Engine Cummins QSB4.5, Engine Komatsu SAA6D107E-1 and others.

## Specification

- name: Injector fuel line Cyl. 3, Cyl. 4,5
- mark: Cummins
- part number: 3978034
- condition: used
- brand: Cummins
- weight: 0.18 kg
- dimensions: 101.60 mm x 44.45 mm x 101.60 mm

## Description

Injector fuel line Cyl. 3, Cyl. 4,5 Cummins – used part offered by WIBAKO. Used part. Its actual condition is shown in the photos; on request we will send more photos or details.

Fits: Engine Cummins QSB6.7, Engine Cummins QSB4.5, Engine Komatsu SAA6D107E-1, Engine Cummins ISB4.5, Engine Cummins ISBE4(4.5).

Part number: 3978034. To be sure the part fits, compare the number on the nameplate or in the catalogue – or send us an enquiry with the part number or the machine (engine) serial number and we will confirm the fit.

Weight: 0.16 kg. Shipping: dispatched no later than the next working day after the order.

We also carry out [diesel engine overhauls](https://wibako.com/services/overhauls-of-combustion-engines).

## Fits (machines and engines)

- Engine Cummins QSB6.7
- Engine Cummins QSB4.5
- Engine Cummins QSB4.5
- Engine Cummins QSB6.7
- Engine Cummins QSB4.5 CPL8755
- Engine Komatsu SAA6D107E-1
- Engine Cummins ISB4.5
- Engine Cummins ISBE4(4.5) CPL8781
- Engine Cummins ISBE4(4.5) CPL8529

## Reference numbers

3978034

## Guides and case studies

- [Renovation of the Cummins QSB 4.5 Engine in the Atlas Copco FlexiROC T35 Drill Rig](https://wibako.com/about-us/news/686-renovation-of-the-cummins-qsb-4-5-engine-in-the-atlas-copco-flexiroc-t35-drill-rig.md)
- [Engine Overhaul of Cummins QSB 4.5 in Case 1150K Bulldozer](https://wibako.com/about-us/news/688-engine-overhaul-of-cummins-qsb-4-5-in-case-1150k-bulldozer.md)
- [Comprehensive Repair of Cummins QSB6.7 Engine in Terex TC 240LC Excavator](https://wibako.com/about-us/news/540-comprehensive-repair-of-cummins-qsb6-7-engine-in-terex-tc-240lc-excavator.md)
- [Rebuilding the Cummins QSB4.5 Engine in the JLG G12-55A Loader](https://wibako.com/about-us/news/537-rebuilding-the-cummins-qsb4-5-engine-in-the-jlg-g12-55a-loader.md)

![Photo: Injector fuel line Cyl. 3, Cyl. 4,5 Cummins 3978034](https://wibako.com/images/2104727_1736779881106_1000x1000.webp)

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Source: https://wibako.com/shop/diesel-engines-parts/fuel-system/40877X71050-injector-fuel-line-cyl-3-cyl-4-5-cummins-3978034
Contact: +48338704200, biuro@wibako.pl