# Valve seal IN/EX wbk 3955393 – new

> Valve stem seal WBK 3955393 – durable, high-temperature resistant component ensuring engine sealing and reduced emissions.

- Category: [Gaskets](https://wibako.com/shop/diesel-engines-parts/gaskets.md)
- Manufacturer: wbk
- Part number: 3955393
- Stock number: 72703
- Condition: new
- Price: 2.51 EUR gross (2.04 EUR net)
- Availability: in stock

Valve seal IN/EX wbk – new. Fits: Engine Cummins QSB6.7, Cylinder head for engine Cummins QSB6.7, Engine Cummins QSB5.9 and others.

## Specification

- name: Valve seal IN/EX
- mark: wbk
- part number: 3955393
- condition: new
- inner diameter: 8 mm
- outer diameter: 12 mm
- height: 10 mm
- operating temperature range: -40°C to +200°C

## Description

Valve seal IN/EX wbk – new part offered by WIBAKO.

Fits: Engine Cummins QSB6.7, Cylinder head for engine Cummins QSB6.7, Engine Cummins QSB5.9, Engine Cummins QSB4.5, Engine Cummins ISBE5.9, Engine Cummins ISBE3.9, Cylinder head for engine Cummins QSB5.9, Engine Cummins QSB3.9 and others. Full list in the “Applications” tab.

Part number: 3955393. 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: 0.01 kg. Shipping: new parts ordered by 10:00 (CET) are dispatched the same working day, other orders the next working day.

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

## Fits (machines and engines)

- Engine Cummins QSB6.7
- Cylinder head for engine Cummins QSB6.7 5361605
- Engine Cummins QSB5.9
- Engine Cummins QSB4.5
- Engine Cummins ISBE5.9
- Engine Cummins ISBE3.9
- Cylinder head for engine Cummins QSB5.9 3991771
- Engine Cummins QSB3.9
- Engine Cummins ISB4.5
- Engine Cummins ISB6.7
- Cylinder head Cummins 5311251
- Cylinder head for engine Cummins 3.9 3965769

## Reference numbers

3955393

## Guides and case studies

- [Repair of the Cummins QSB6.7 Engine in the Terex TL310 Loader](https://wibako.com/about-us/news/515-repair-of-the-cummins-qsb6-7-engine-in-the-terex-tl310-loader.md)
- [Cummins QSB6.7 Engine Overhaul in SANY SY265C Excavator](https://wibako.com/about-us/news/634-cummins-qsb6-7-engine-overhaul-in-sany-sy265c-excavator.md)
- [Engine Overhaul of Cummins QSB6.7 in Hyundai HL960 HD Loader](https://wibako.com/about-us/news/627-engine-overhaul-of-cummins-qsb6-7-in-hyundai-hl960-hd-loader.md)
- [Repair of the Cummins QSB6.7 Engine in the Dressta TD-14R Bulldozer](https://wibako.com/about-us/news/591-repair-of-the-cummins-qsb6-7-engine-in-the-dressta-td-14r-bulldozer.md)

![Photo: Valve seal IN/EX wbk 3955393](https://wibako.com/images/2143327_1758294969454_1000x1000.webp)

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Source: https://wibako.com/shop/diesel-engines-parts/gaskets/59386X72703-valve-seal-in-ex-wbk-3955393
Contact: +48338704200, biuro@wibako.pl