FOR SALES AND SERVICE CALL:  603-497-2281   


  Brake Products
  Chips & Performance
  Cooling System
  Diff & Trans Covers
  Electrical / Lighting
  Engine Components
  Exhaust Brakes
  Exhaust Systems
  Fuel Additives
  Fuel System
  Gauges & Related
  Turbo Upgrades
  Clearance Items
  Package Deals
  Install Sheets
  Return Policy
  Service / Support
  Shipping Information
  Order Form
  Company Info:
  About Us
  Contact Us
  Distributor Inquiries
  Legal Notices
  Payment Information
  Pricing Guarantee
  Website Viewing
  Your Privacy



If you've purchased your products from DieselManor and need installation assistance or technical support please don't hesitate to contact us.  Your purchase includes free lifetime support on any product you've purchased from us. Please, no non-DieselManor customers.  We will ask you for your billing name and/or invoice number so we can verify your purchase.

We are the only diesel performance company that offers after-hours technical support. During normal business hours we can be reached at: SPAM Prevention - Please type in this email address 603-497-2281 or for our after hours Technical Support Hotline call: 603-235-2331.  That's right, we're there for you.  Decided to start your install late at night and run into an unexpected snag? Give our Emergency Hotline a call, we'll get you through it.

Our after-hours tech support line is available during non-business hours; Monday - Friday 5:00PM - 9:00PM (EST), Saturday & Sunday 9:00AM - 9:00PM (EST). It will not be monitored during normal business hours.

This tech line is for DieselManor customers only!  We will ask you for your invoice number. You MUST have your current invoice number to receive support!  If the product you are seeking support for was purchased from another diesel performance supplier please contact them directly. We do not support products purchased from another company.

Also be sure to check out our
Installation Sheets page for installation instructions and support bulletins.

For returns click on our
return policy page.



  Copyright 2003-2017    DieselManor, Inc.    All Rights Reserved. is a secure site that respects your privacy.