# Injection pump Cummins 3939851 – used

> Cummins fuel injection pump 3939851 - a key component of the fuel system in diesel engines. Used, available.

- Category: [fuel system](https://wibako.com/shop/diesel-engines-parts/fuel-system.md)
- Manufacturer: Cummins
- Part number: 3939851
- Stock number: 74007
- Condition: used
- Price: on request
- Availability: in stock

Injection pump Cummins – used. Fits: Engine Komatsu SAA6D114E-2, Engine Komatsu SA6D114E-2, Engine Cummins 6CT8.3 and others.

## Specification

- name: Injection pump
- mark: Cummins
- part number: 3939851
- condition: used
- brand: Cummins
- availability: Available

## Description

Injection pump 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 Komatsu SAA6D114E-2, Engine Komatsu SA6D114E-2, Engine Cummins 6CT8.3, Crawler excavator Komatsu PC340LC-7K.

Part number: 3939851. Reference and alternative numbers: 0402066729, PES6P110A120RS3336-1, 3991492. 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: 18.3 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 Komatsu SAA6D114E-2 CPL8145
- Engine Komatsu SA6D114E-2
- Engine Cummins 6CT8.3
- Crawler excavator Komatsu PC340LC-7K

## Reference numbers

3939851, 0402066729, PES6P110A120RS3336-1, 3991492

## Other items

- [Injection pump Bosch PES6P110A120RS3336-1 0402066729 – used](https://wibako.com/shop/diesel-engines-parts/fuel-system/28650X55573-injection-pump-bosch-pes6p110a120rs3336-1-0402066729.md) – 637.57 EUR

## Guides and case studies

- [Komatsu SAA6D114E-1 Engine Overhaul](https://wibako.com/about-us/news/186-komatsu-saa6d114e-1-engine-overhaul.md)
- [Komatsu PC350LC With a Dead Engine. End of the Machine or a Major Repair?](https://wibako.com/about-us/video/840-komatsu-pc350lc-with-a-dead-engine-end-of-the-machine-or-a-major-repair.md)
- [Komatsu PC350LC with a dead engine. Replacement with a re-equipped Cummins QSC8.3](https://wibako.com/about-us/news/841-komatsu-pc350lc-with-a-dead-engine-replacement-with-a-re-equipped-cummins-qsc8-3.md)
- [Repair and Service of the Cummins 6CT8.3 Engine](https://wibako.com/about-us/service/479-repair-and-service-of-the-cummins-6ct8-3-engine.md)

![Photo: Injection pump Cummins 3939851](https://wibako.com/images/2130377_1752652152555_1000x1000.webp)

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Source: https://wibako.com/shop/diesel-engines-parts/fuel-system/41537X74007-injection-pump-cummins-3939851
Contact: +48338704200, biuro@wibako.pl