Customer Help Center / FAQ

My Order

Finding Your Products

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Enter a part number or keyword by using the search bar in the upper right-hand corner of the page. Products may be shown by clicking the description link for your component.


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With the purchase of Navistar’s subscription service, the subscriber is entitled to EPA 07 and later emissions related service information for the duration of the purchased subscription.

Navistar retains all copyrights for these documents. A subscription entitles the purchaser to use the information for business purposes. The subscription does not authorize the subscribing party or any subsidiaries thereof to resell, copy, distribute, print or share Navistar’s content in whole or in part.

You will receive an email with your credentials within three business days (these don’t include holidays or weekends) following an approved credit card payment.

IMPORTANT: The timing of your subscription starts immediately. If you fail to log in before your subscription duration expires, you will be denied admittance. If you wish to regain access, you are welcome to purchase a new subscription.

Subscription FAQ:

How to I purchase a subscription?

A subscription can be purchased by visiting the ‘Purchase Subscription’ link on the left menu. Subscriptions can be purchased in 3-day, 30-day or 365-day durations.

How do I know when my subscription expires or how long I have left on my subscription?

Your subscription starts immediately and will terminate based on your purchase duration.

What happens after my subscription expires?

After the subscription expires you will no longer have admission. You will need to purchase a new subscription if you wish to regain access.

Where can I get a PDF viewer?

Visit http://get.adobe.com/reader/

Can I receive a refund?

Refunds will NOT be granted for any reason upon purchasing a 3-day, 30-day or 365-day subscription.

Payment Options

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What are my payment options?
We accept Visa, MasterCard, and American Express.

My Account

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Do I have to create an account (user name and password)?
An account is not required to browse Subscription Catalog products. An account is required to purchase a subscription.

How do I create an account?
Click on the “My Account” link at the top of the homepage to create an account and click the "Continue" button under New Customer. To sign into your account, go to the "My Account" link at the top of the homepage and enter your email address and password.

How do I change my account information?
Log in to your account and click on the “Edit” button under any of the account categories.

I forgot my password. What do I do?
Click on the "My Account" link at the top of the homepage and select "Forgot your password" after entering your email address. A link will be emailed to securely reset your password.
A link will be emailed to securely reset your password.

A link will be emailed to securely reset your password.

My Order

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How do I change my order?
Contact our customer service team at 1(866) 962-8427 to request any order changes.

All purchases are intended for the exclusive use of the buyer and are not intended for resale.

The buyer is responsible to pay all taxes associate with the product.

Return Policy

We have a no refund policy. All sales of Navistar service products are final.

My Tools Questions

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Where do I order service tools?
Service Tools can be accessed by clicking on the ‘Tools’ link in the left side menu bar. Then click the Engine Category that you are working with and then the Sub-Category for the type of Tool you are looking for. You can sort by Product Name, Newest Products, Prices, Ratings, and Best Sellers using the box in the upper right. You can also search for a specific tool if you know the tool number by using the ‘Search’ box in the very upper right under the shopping cart icon.

Where do I order Diagnostic Tools and Software?

How do I get my user ID and password for programming?
The password will be sent to your email address shortly after successful registration.

What is the time span between order and receiving my user ID?
Within 48 hours.

Forgot your password/ Login or other login issues?
Please contact electronicservietools@navistar.com and provide the user’s name and company name from the same email address you made the original purchase through.

My Software Questions

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Please visit www.navistarservicesoftware.com


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This document provides a list of abbreviations and acronyms and their related descriptions. Click here to download this Glossary