Derek's Diesel Service Inc is a local, family owned and operated business that has been serving clients throughout the Barrie area since 1962. We specialize in the sales and service of gas and diesel fuel injectors, turbos and fuel pumps.Derek's Diesel Service Inc in Barrie is your source for fuel injectors and fuel pumps from the brands you know and trust including Detroit, Delphi, Bosch, Denso, Zexell, Cummins, Caterpillar and Stanadyne just to name a few. Plus, with over 50 years of experience in the industry, we are able to repair or remanufacture your equipment quickly and cost-effectively. Please get in touch with us to inquire about our products or services. We look forward to serving you!