Frequently Asked Questions

Q. How do I register?

A. Click on the Login link at the top of the screen, register by providing us your email address and other important information.  You will be receive an e-mail confirming your successful registration.

Q. Why can't I find what I am looking for on the website?

A. If the search does not locate your item we recommend you initiate an online chat session with us or send us an email. We have hundreds of new products that are not yet on the website. We are happy to assist you with any "product locator".

Q. Can I order a product and have it shipped outside of the United States?

A. Yes we can ship anywhere in the world. However international orders must be pre-paid via wire transfer, we do not accept credit cards from countries other than Canada and the United States. Email us at [email protected] to request our wiring instructions.

Q. Can I purchase products using a company purchase order?

A. If you are a School, Municipality, Military or Utility you are pre-approved for "open account".  If you are a private fleet and would like to apply for credit we have an application for you to complete so we can do a credit check.  In the mean time we accept all major credit cards.

Q. How do I return a product or cancel my order?

A.See our Return Policy.

Q: I am having trouble placing my order. What did I do wrong?

A. In order to process your order please provide the following information:

  • Contact information including valid email address and phone number
  • Complete shipping address & mailing address (if different)
  • Shipping Method
  • Payment Method.

If one of these required fields is left blank it will continue to prompt you until all the necessary items are provided.

Q: Why do I get an error when entering my email address on the Secure Checkout page?

A:Make sure you are entering a valid email address such as [email protected]. If you are still having problems you may click on the "Login" button above the red "begin checkout" box. Here you should be able to login. Once you have logged in you can return to your cart and finish the checkout process. If you continue to have problems you may contact Diagnostic Superstore at [email protected] or conduct an online chat with one of our support staff.

Q: How do I include a Purchase Order number and pay with a Credit Card?

A: You must enter your Purchase Order number into the "Order Notes" section of the shopping cart before continuing to the checkout page. Then you can select "Credit Card" as your payment method. If you select "Purchase Order" as the payment method your credit card information will be erased.