If you buy 2+ items, Domestic US Shipping is Free. Use Code: FREEShipping2x


Below you will find frequently asked questions that we compiled together for you to provide optimal customer service.


What payments do you accept?
We accept ALL major credit card payments- AMEX, Dinners, Discovery, MasterCard, Visa - and you may pay through PayPal.

How long until I receive my item?
We will process your purchase and ship within the next 24-48 hours of your purchase. On your purchase process, after all your information is inserted at checkout, it will give you shipping options with estimated delivery date.

How much will shipping be?
Please be advised that the shipping estimators at checkout might be slightly different from reality.

  • Shipping within US: Please keep in mind that all orders with injectors ships through UPS only in United States.
  • Shipping internationally: Please keep in mind that we can't guarantee shipping times due to customs processes.

Will you ship to my PO Box?
If the shipping method is UPS, unfortunately PO Box can't be used as a delivery address.

Do you offer a shipping discount if I buy more than one item from you?
We offer free shipping if you buy more than one item with us. Please use the Discount Code FREEShipping2x at check-out.

Do you offer a Tracking Number?

Yes. We offer tracking number to all of the products shipped by UPS.

What should I do if the package hasn't arrived during the expected time?
If your package is shipped through UPS, please go to https://www.ups.com/track and insert your tracking number for shipping updates.  For international shipping, the custom process might take more time than expected resulting in delivery delays. We ask you to be patient!

In any case, you need further information you can contact us directly to dieselinjectionzone@gmail.com .

Do you accept returns?
Please review our page for Returns and Warranty for more information.