Blog - Kustom Truck Parts

Paccar MX-13 vs. Cummins ISX

Posted by Kustom Truck Parts on 10th Dec 2025

Which Engine Is Easier To Swap? At Kustom Truck Parts, we support a lot of engine conversions in Peterbilt and Kenworth trucks. Since 2010 Paccar has offered essentially two different brands of engine … read more

So You Have A "Donor Truck"

Posted by Kustom Truck Parts on 20th Nov 2025

The Truth About Using a Donor Truck for an Engine Swap in a Peterbilt or Kenworth There’s one misconception we hear every single day:“I bought a complete donor truck with the exact engine … read more

Engine Conversion Basics: The 4 Pillars of a Flawless HD Truck Swap

Posted by Kustom Truck Parts on 30th Oct 2025

What's it take to complete an Engine Conversion Engine swaps in heavy-duty trucks are the ultimate power move—whether you're repowering a fleet rig, restoring a legacy hauler, or upgrading for b … read more