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This is Engineered Diesel's Informational Page. We have created some visuals and written a few articles to answer some frequently asked questions. If you have any further questions, please do not hesitate to call us at 616-892-8204 or email us at customerservice@engineered-diesel.com


Engineered Diesel's How To    Engineered Diesel's Torque Specs




SAC Nozzle vs VCO Nozzle

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How a Common Rail Diesel Injector Works and Common Failure Points 

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Engineered Diesel's Cummins injector facts!

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Change feed tubes when you do injectors & use correct feed tubes!

"Should I change my feed tubes when I change my injectors and which feed tubes should I use?"  In this article, we talk about the importance of replacing your feed tubes and which ones to use. Click the link above to read our full response.


Beware, 50hp Injectors for 03-04.5 & 04.5-07 are NOT the same!

- In this article, we wanted to clarify the difference between 50hp injectors for the 04.5-07 (325hp engines) 5.9L Late Pattern and the 03-04 (250hp & 305hp engines) Early Pattern. Click the link above to read the full article.


Beware of Aftermarket Feed Tubes!

- In this article, customers claim that they bought "new" feed tubes. The aftermarket companies are labeling these feed tubes as "Genuine New Feed Tubes." Upon inspection we found that, although they may be new, they are NOT Bosch feed tubes. Here are a few images to show what we found and help you identify them. Click the link above to read the full article.