Kustom Truck

08/07/2026

Just a few of the Detroit harnesses soon to be installed.

We want to say thank you to everyone who continues to support us and make it possible for us to keep building and supplying these products. We truly appreciate every customer and every opportunity to be a part of your projects!

08/05/2026

That finishing touch.

08/04/2026

Engine sensor harness giving you trouble?

We're known for our engine swap harnesses, but we also stock a large selection of genuine OEM Caterpillar engine sensor harnesses.

If you're replacing a damaged harness or tracking down an electrical issue, give us a call. We'll help you find the correct harness for your engine.

08/03/2026

Old engines. New trucks. The right parts make it happen.

Our stainless steel fan shroud extension ring has become a staple in engine swaps across North America, helping builders properly fit and finish Caterpillar, Cummins, and Detroit conversions.

Kustom Truck. Engine swap solutions built right.

07/23/2026

Built for the swap. 💪

Our Cummins CM570 to Peterbilt NAMUX3 harness is designed to simplify your engine conversion while maintaining factory functionality. Every harness is built, inspected, and backed by detailed installation instructions and technical support from people who know these swaps.

Peterbilt models including 389, 388, 386, and 367

Questions about your truck? Give us a call—we're happy to help.

07/16/2026

⚙️If you're planning a Cummins N14 or Cummins M11 Celect Plus swap into a 2011 or newer Peterbilt equipped with NAMUX3 chassis electronics, this harness is designed specifically for that application.

07/15/2026

07/13/2026

Harnesses • Piping • Brackets • Technical Support

07/02/2026

🚨 Important Notice

We've recently become aware of a fake page impersonating Kustom Truck and reposting our original videos and content.
This page is not affiliated with Kustom Truck in any way.
Please do not respond to messages from this account, send payments, or share any personal information with them.
If you come across the fake page, we'd greatly appreciate your help by:
• Reporting it for Pretending to be a business
• Sharing this post so others are aware
Our only official page is this one.
Thank you to everyone who has already reached out and reported the impersonating page. We truly appreciate your support as we work to have it removed.
— Kustom Truck

06/24/2026

The polished parts get the likes.

The wiring is the backbone of every swap.

Engine conversion harnesses are the heart of what we do.

Not an afterthought. Not a side product. Our specialty.