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The Fratelli Bosio company is a factory established in Turin in 1929. It was the first in Italy to make nozzles, elements and delivery valves for Diesel engines (agricultural applications, cars, trucks, busses, industrial and marine engines)

02/01/2018: We are present to AUTOMECHANIKA FRANKFURT 2014
Frankfurt - Germany 11/09/2018 --> 15/09/2018 STAND " FRATELLI BOSIO SRL" --> Halle 6.0 Stand C44

02/01/2018: New look for Bosio web site
Welcome to our new website, with an enhanced graphics and easier to browse catalogues

01/01/2018: Price List and Catalogue updating
New Price List 01/2018 is now available - The New Catalog will be available from 3 September 2018

Tecnologies and  quality

Our high quality level let us compete to the main manufacturers production and we have thousand of customers all over the world. Our products are sold in Europe, in America, in Africa, in the Middle and in the Far East.


We have a wide range of products ready to delivery and we realize readly custom products on your sketch or project them on your demands.

Nozzles catalogue
Elements catalogue
Delivery valves catalogue


F.lli Bosio srl. Via Torino, 277   - 10090 CASTIGLIONE TORINESE (TO) Italy  
Tel: +39 011 9606222   Fax: +39 011 9609326   Vat Code:   00530040013   I.R.I: