JUBU Charge & gear oil cooling hose upgrade kit
Bring your Emira V6 up to the cutting edge of technology – the upgrade that even Lotus Cars UK has been impressed by!
Did you know that the first Lotus Emira V6 models were delivered ex-works with a design flaw in the cooling system? The gearbox oil cooler and the intercooler share the same cooling circuit. The result: under load, both systems heat each other up. The intercooler temperature rises dramatically (which noticeably reduces engine power) and the gearbox becomes overheated.
We analysed and resolved this issue at an early stage. Our system is so effective that Lotus Cars UK has now adopted precisely this principle as standard in the latest Emira models straight from the factory.
With the JUBU Upgrade Kit, you can retrofit this crucial update to your Emira – cost-effectively, efficiently and using the finest materials.
Here’s how the upgrade works:
Instead of cooling the gearbox with the warm charge air, we integrate the gearbox oil cooler into the significantly larger engine cooling circuit using our bespoke moulded hoses. This simple yet highly effective separation of the systems is an absolute game-changer for your car’s thermal management.
Why this kit is an absolute MUST-HAVE for your Emira:
- Officially confirmed necessity: You’re resolving a known thermal bottleneck that the manufacturer has since rectified in new models.
- Consistent engine performance: A significantly lower charge air temperature means that your V6 won’t lose power, even on hot days or when driving sportily.
- Maximum wear protection for the gearbox: The gearbox oil stays significantly cooler under load. Perfect for mountain passes, track days or regions with a warm climate.
- The cold-start advantage: Thanks to its connection to the engine cooling circuit, the gearbox oil warms up much more quickly after a cold start. Your gearbox reaches its protective operating temperature more quickly – which protects the components on every single journey!
- No risk (100% reversible): The system can be fitted almost as a plug-and-play solution with a genuine OEM look and can be completely removed at any time without leaving a trace.
Pro tip: To unlock the full thermal potential of your Emira, we also recommend fitting our JUBU water temperature cooling upgrade (2GR-FE). The cooler the engine coolant, the more effectively your gearbox will be cooled! (Note: A larger gearbox oil heat exchanger is only required for extreme power increases of 600 PS or more).
Product details at a glance
- Proven reduction in gearbox oil and intercooler temperatures
- Significantly reduces wear on the engine and drivetrain
- Highest quality: Manufactured from exclusive Samco silicone hoses (Made in the UK), perfectly adapted to the Emira V6 engine bay
- Developed from motorsport: Designed by JUBU Performance and extensively tested on the road and on the racetrack
- Absolutely suitable for everyday use: Can be used without restriction on any road-going vehicle (Made in Austria)
Suitable for
- Proven reduction in gearbox oil and intercooler temperatures
- Emira V6 up to March 2026
Scope of delivery
- 3 x bespoke JUBU/Samco moulded silicone hoses, black
- 6 x high-quality hose clamps
If you have any questions about the product or your order, please contact us – we’ll be happy to help!





