• THE HUMVEE/HUMMER DURAMAX DIESEL CONVERSION KIT
  • THE CUMMINS 4BT/6BT DIESEL CONVERSION KIT
  • THE POWERSTROKE DIESEL CONVERSION KIT
  • THE LS CONVERSION KIT
  • THE HUMVEE/HUMMER ELECTRIC CONVERSION KIT

Finally, you can now order components and part kits for the legendary Humvee or Hummer Duramax Diesel Conversion, Cummins 4BT/6BT Diesel Conversion, Powerstroke Diesel Conversion, LS Conversion, and Electric Conversion directly from us. Browse our selection below for detailed descriptions and photographs. With over 15 years of conversion engineering you can be assured of an easy to install, quality package.

BROWSE OUR SELECTION NOW

The Revolutionary Hummer Conversion Kit!

You can order parts and kits at any time by calling or emailing us directly.

Get Started

Hummer Conversion Kit is the hub for “The Conversion” (Hummer Duramax Diesel Conversions) of the H1 and H2 Hummers from gasoline, 325 hp, and 8-12 mpg to eco-friendly biodiesel 650+ horsepower and around 25 miles per gallon - pioneered by Johnathan Goodwin and his company H-Line Conversions. We also offer kits and parts for the Humvee or Hummer Cummings 4BT/6BT Diesel Conversion, Powerstroke Diesel Conversion, LS Conversion, and Electric Conversion. Browse our selection of components and parts below. A staff member will be available if you have any questions about your Hummer or Humvee Diesel/Biodiesel Conversion so feel free to contact us with any questions you may have.

Kit Parts

Below you will find the parts and components for our Humvee, H1, and H2 Diesel/Biodiesel Conversion kits. Click on the image for a detailed description, photos, and kit number. If you have any questions please give us a call or send us an email.

Guided Installation Videos

COMING SOON you will be able to purchase full guided installation video tutorials for all parts & components of the Humvee, H1, and H2 Diesel/Biodiesel Conversion kits so that you can convert your Hummer to the legendary Duramax Diesel (or other kit that we offer) on your own! More information about our guided installation videos will be coming shortly so check back soon.

Support

We are here to answer any questions you may have about our Humvee, H1, and H2 Conversion part kits and installation. Don’t hesitate to contact us by sending an email to hline@sbcglobal.net or by calling 316-650-8516.

IN THE MEDIA

Our Hummer Conversion Kits have received praise from publications and media outlets around the world!