# Injector fuel line Cyl. 1 Cummins 3978031 – used

> Cummins Injector Fuel Supply Tube Cyl. 1 (3978031) - a key component of the fuel system used in EPA13 6.7 engines.

- Category: [fuel system](https://wibako.com/shop/diesel-engines-parts/fuel-system.md)
- Manufacturer: Cummins
- Part number: 3978031
- Stock number: 62230
- Condition: used
- Price: 27.98 EUR gross (22.75 EUR net)
- Availability: in stock

Injector fuel line Cyl. 1 Cummins – used. Fits: Engine Cummins QSB6.7, Engine Komatsu SAA6D107E-1.

## Specification

- name: Injector fuel line Cyl. 1
- mark: Cummins
- part number: 3978031
- condition: used
- weight: 0.17 kg
- length: 198.12 mm
- width: 78.74 mm
- height: 69.85 mm

## Description

Injector fuel line Cyl. 1 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 Komatsu SAA6D107E-1.

Part number: 3978031. 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: 0.17 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 QSB6.7
- Engine Komatsu SAA6D107E-1

## Reference numbers

3978031

## Other items

- [Injector fuel line Cyl. 1 Cummins 3978031 – used](https://wibako.com/shop/diesel-engines-parts/fuel-system/51091X71045-injector-fuel-line-cyl-1-cummins-3978031.md)

## Guides and case studies

- [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)
- [Renovation of the Cummins QSB6.7 Engine in the Keestrack R3 Crusher](https://wibako.com/about-us/news/487-renovation-of-the-cummins-qsb6-7-engine-in-the-keestrack-r3-crusher.md)
- [Komatsu SAA6D114E-1 Engine Overhaul](https://wibako.com/about-us/news/186-komatsu-saa6d114e-1-engine-overhaul.md)
- [Komatsu SAA6D107E-1 Engine Repair](https://wibako.com/about-us/news/147-komatsu-saa6d107e-1-engine-repair.md)

![Photo: Injector fuel line Cyl. 1 Cummins 3978031](https://wibako.com/images/2040739_1708682632316_1000x1000.webp)

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Source: https://wibako.com/shop/diesel-engines-parts/fuel-system/51091X62230-injector-fuel-line-cyl-1-cummins-3978031
Contact: +48338704200, biuro@wibako.pl