# Injector fuel line CYL. 1, 3 Cummins 3971129 – used

> Cummins fuel injector tube 3971129, used, for Euro 3 4.5L engines. High quality and durability.

- Category: [fuel system](https://wibako.com/shop/diesel-engines-parts/fuel-system.md)
- Manufacturer: Cummins
- Part number: 3971129
- Stock number: 77891
- Condition: used
- Price: on request
- Availability: in stock

Injector fuel line CYL. 1, 3 Cummins – used. Fits: Engine Cummins 4BTAA3.9.

## Specification

- name: Injector fuel line CYL. 1, 3
- mark: Cummins
- part number: 3971129
- condition: used
- brand: Cummins
- weight: 0.07 kg
- width: 203.20 mm
- height: 228.60 mm
- length: 203.20 mm

## Description

Injector fuel line CYL. 1, 3 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 4BTAA3.9.

Part number: 3971129. 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: 0.13 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 4BTAA3.9 CPL2926

## Reference numbers

3971129

## Guides and case studies

- [Service and Repair of Cummins 4BT3.9 Engine](https://wibako.com/about-us/service/451-service-and-repair-of-cummins-4bt3-9-engine.md)
- [Cummins 4BT3.9 Engine Overhaul](https://wibako.com/about-us/news/146-cummins-4bt3-9-engine-overhaul.md)
- [Overhaul of the Cummins 4BT3.9 Engine](https://wibako.com/about-us/news/316-overhaul-of-the-cummins-4bt3-9-engine.md)

![Photo: Injector fuel line CYL. 1, 3 Cummins 3971129](https://wibako.com/images/2167589_1771567658719_1000x1000.webp)

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Source: https://wibako.com/shop/diesel-engines-parts/fuel-system/66397X77891-injector-fuel-line-cyl-1-3-cummins-3971129
Contact: +48338704200, biuro@wibako.pl