Shell Helix Ult Ect C3 5W30 1L Shell Helix Ultra ECT C3 features its most advanced emissions-compatible technology that helps to keep diesel particulate filters clean to help maintain engine performance. It helps to reduce engine friction to provide enhanced fuel economy. As the number one global lubricant supplier, Shell knows what goes into quality engine oils, transmission fluid, greases and other lubricants. With a whole range of products catering to a plethora of unique vehicle and machinery requirements including fully synthetic, semi-synthetic and mineral engine oils, Shell have you covered when it comes time to change the fluids in your car. Formulated on the back of real-world product testing in high-performance, high-stress motorsport applications and demanding stop-start traffic and street driving scenarios, Shell have come to offer a range of reliable oils and fluids which will stand up to the task of keeping your car running smoothly and reliably after each service. Shell's range doesn't just stop at engine oil, they also offer a range of gear oils, transmission fluid, motorcycle oil, 2-stroke oil, compressor oil and so much more. Next time you're servicing your car, bike, boat or other machinery, browse the Repco website with the REGO search function or head into your local Repco store and speak with one of our friendly staff about all things fluids and filters to give your car the attention it deserves.