# Rocker arm for engine Cummins 8.3 3934921 – used

> Rocker arm for engine Cummins 8.3 3934921 – used, in stock, 43.26 EUR net. Fits: Engine Cummins 6CT8.3, Engine Case 6T-830.

- Category: [Cylinderheads](https://wibako.com/shop/diesel-engines-parts/cylinderheads.md)
- Manufacturer: Cummins
- Part number: 3934921
- Stock number: 50403
- Condition: used
- Price: 53.21 EUR gross (43.26 EUR net)
- Availability: in stock

Rocker arm for engine Cummins 8.3 – used. Fits: Engine Cummins 6CT8.3, Engine Case 6T-830, Engine Cummins 8.3 and others.

## Specification

- name: Rocker arm for engine
- mark: Cummins
- type: 8.3
- part number: 3934921
- condition: used

## Description

Rocker arm for engine Cummins 8.3 – 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 6CT8.3, Engine Case 6T-830, Engine Cummins 8.3, Engine Cummins 6CTAA8.3-C, Engine Komatsu SAA6D114E-1.

Part number: 3934921. Reference and alternative numbers: 3926429, 6T-830. 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: 0.79 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 6CT8.3
- Engine Case 6T-830
- Engine Case 6T-830 CPL1943
- Engine Cummins 8.3
- Engine Cummins 6CT8.3
- Engine Cummins 6CTAA8.3-C CPL8307
- Engine Komatsu SAA6D114E-1 CPL2057

## Reference numbers

3934921, 8.3, 3926429, 6T-830

## Other items

- [Rocker arm for engine Cummins 8.3 3934921 – used](https://wibako.com/shop/diesel-engines-parts/cylinderheads/60922X77309-rocker-arm-for-engine-cummins-8-3-3934921.md)
- [Rocker arm for engine Case 6T-830 3926429 – used](https://wibako.com/shop/diesel-engines-parts/cylinderheads/57600X71227-rocker-arm-for-engine-case-6t-830-3926429.md)
- [Rocker arm for engine Cummins 8.3 3926429 – used](https://wibako.com/shop/diesel-engines-parts/cylinderheads/57588X71179-rocker-arm-for-engine-cummins-8-3-3926429.md)
- [Rocker arm Cummins 3926429 – used](https://wibako.com/shop/diesel-engines-parts/cylinderheads/36466X44512-rocker-arm-cummins-3926429.md) – 20.49 EUR

## Guides and case studies

- [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)
- [Komatsu SAA6D114E-1 Engine Overhaul](https://wibako.com/about-us/news/186-komatsu-saa6d114e-1-engine-overhaul.md)

![Photo: Rocker arm for engine Cummins 8.3 3934921](https://wibako.com/images/1951750_1661516279258_1000x1000.webp)

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Source: https://wibako.com/shop/diesel-engines-parts/cylinderheads/41751X50403-rocker-arm-for-engine-cummins-8-3-3934921
Contact: +48338704200, biuro@wibako.pl