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Supported Vehicles

VDJ70 Series Land Cruiser
GDJ70 Series Land Cruiser
200 Series Land Cruiser
300 Series Land Cruiser
Toyota Hilux
Toyota Prado
Toyota Tundra

Hardware Upgrades

Software Upgrades

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Downloads

Guides and resources to help you understand our tools and services.

Warranty Info

Warranty details for our upgrades and services

FAQs

Questions about upgrades, tuning, and modifications

Blog

Insights, tips, and stories about enhancing Toyota performance

CHOOSE YOUR VEHICLE

Find the full FAQ’s for your specific vehicle upgrade from the list below!

Toyota VDJ70 diesel engine cutaway diagram

Diesel Performance Experts Who Care

At Just Autos, diesel performance isn’t just what we do—it’s what we know, and what we care about. With years of hands-on experience specialising in Toyota diesel platforms, our team combines expert technical knowledge with a customer-first approach that sets us apart. Every vehicle we tune is treated like our own, with tailored solutions, transparent advice, and a commitment to reliability and safety. From your first enquiry through to workshop handover, we prioritise your goals—whether that’s improving towing performance, enhancing drivability, or getting more from your engine setup. We’re not here for shortcuts—we’re here for results that last.

See your vehicle’s potential

2-mins. Commitment free. Boost power, efficiency & reliability

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Diesel Performance Upgrade Specialists. Unlock the power of your vehicle today.

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What we Do

Package Builder New
Hardware Upgrades
Software Upgrades

Vehicle Models

VDJ70 Series Land Cruiser
GDJ70 Series Land Cruiser
200 Series Land Cruiser
300 Series Land Cruiser
Toyota Hilux
Toyota Prado
Toyota Prado 250
Toyota Tundra

Diesel Performance

ECU Remapping
Diesel Tuning
ECU Multi Mapping

Performance Upgrades

Airbox
Exhaust Systems
Clutches
Heat Exchanger
Turbo & Injectors
Transmission Lock Up
Intake Pipe
Intercooler/Fan Upgrade

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Privacy Policy

By using our websites, applications and services, or otherwise providing us with your information, you consent to us collecting, holding, using and disclosing your personal information as described in our Privacy Policy linked below. If we are not able to collect, handle, use and disclose personal information about you as set out in our Privacy Policy, we may not be able to provide you with our services or with access to our websites or applications.

We are committed to protecting the confidentiality of your information and delivering high quality products and services. Any information you provide via this website will be used to identify your commercial needs and enable us to properly serve you. We will store the information you provide on secure servers, and access to it will be restricted to Just Autos employees and agents. We will not rent, sell or trade your personal or organisational information to others. If you would like to view our Privacy Policy in full, please click here. Terms and Conditions click here.

Updates this Policy

This Policy will be reviewed from time to time to take account of new laws and technology, changes to our operations and practices and the changing business environment. The most current version of this Policy is located at click here and can also be obtained by contacting our Privacy Officer warranty@justautosmechanical.com.au.

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Just Autos and this website are not affiliated with, endorsed by, or associated with Toyota. All trademarks, service marks, and logos used on this website are the property of their respective owners. The mention of Toyota on this website is solely for informational purposes and does not imply any partnership, sponsorship, or affiliation.