Off Road

YJ

TDI Torque for the Back Country Adventurer

The exceptional fuel efficiency and impressive power of the little turbo diesel motor will get your YJ there and back with ease and excitement.  The complete TDI conversion package from Coty Built integrates seamlessly with your original Jeep engine peripherals and running gear and includes motor mounts, truss member, transmission adapter, downpipe, air to water intercooler, software, etc.  The lightweight 1.9L German turbo diesel will give your YJ the muscle and balance needed to conquer any obstacle. 

TJ

Fuel Efficient, Clean Diesel, Big Power, and DIY friendly 

The Coty Built TDI conversion package is a fantastic option to replace your TJ’s tired engine.  Maintaining your familiar Jeep engine accessories and drivetrain components, the Coty Built Truss Member straddles the engine bay to position the turbo diesel engine in the perfect spot for the Transmission Adapter to unite with the VW heart to the Jeep AX5 or AX15/NV3550 gearbox. With an Air-to-Water Intercooler and other optional performance upgrades, this conversion makes your Jeep capable of tackling even the most extreme environments.  

XJ

Diesel Power for the Street or Trail

Fuel efficient and powerful, the Coty Built conversion allows you transplant the VW 1.9L PD TDI motor into your XJ for a vibration free, ultra quiet, diesel swap.  The unique Truss Member concept is designed to mount all original Jeep engine accessories to the German motor, and the Transmission Adapter package connects the motor to your robust manual gearbox and driveaxles.  Every aspect of this conversion has been cleverly implemented for comfort and performance; from the Air-to-Water Intercooler for consistent performance, to the CAN interface box to output engine data to the instrument cluster.

JK

Got Torque? Big Diesel Power in a Compact Package

300 lbs lighter than a Cummins, with more refined performance, the VW TDI PD motor is the ideal donor for a fuel efficient and powerful diesel conversion.  The comprehensive TDI package from Coty Built integrates seamlessly with your original Jeep engine accessories and drivetrain and comes complete with motor mounts, truss member, transmission adapter, downpipe, air to water intercooler, software, and a clever CAN interface box to output engine data to the instrument cluster.  The result is a reliable, vibration free, ultra quiet, diesel swap.