Nationalfleetparts.com and Bestbrakes.com merged into Dieselfiltersonline.com

We’ve Upgraded & Merged!

Welcome to the new, consolidated home of your fleet and performance parts.

To better serve you, Nationalfleetparts, Inc. has officially consolidated three of our online storefronts into a single, comprehensive shopping experience.

Moving forward, nationalfleetparts.com and bestbrakes.com have fully merged into our flagship brand: dieselfiltersonline.com.

You can still reach us at the same phone numbers:  

Nationalfleetparts.com    888-241-1683

Bestbrakes.com                800-733-8380

Why We Made the Move (Magento to Shopify)

We have migrated our entire catalog from our old Magento infrastructure over to a modern Shopify platform. This switch ensures lightning-fast loading speeds, a seamless mobile shopping experience, and rock-solid transaction security so you can find and purchase your parts without the friction.

What This Means for You:

  • ✓ Everything in One Place: You can now purchase your OEM diesel filters, fleet inventory, and high-performance brake components together in a single checkout.
  • ✓ Same Legal Ownership: Our legal business identity remains exactly the same. You are still doing business with the trusted team at Nationalfleetparts, Inc.
  • ✓ Customer Accounts & Data: Because we respect your data and system privacy, old account passwords from Magento will need to be securely updated. Keep an eye out for a customer account activation email, or simply create a fresh account using your existing email address during checkout.

Need assistance finding a part or looking up an old order?

Our real, US-based customer service team is standing by to help you cross-reference parts or clear up any questions.

📞 Call Us Toll-Free: (866) 574-1119
✉️ Email: orders@dieselfiltersonline.com

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