22/05/2026
Ever looked at an oil bottle and wondered what 5W30, C3, or Longlife actually mean? ๐ค Hereโs a quick guide ๐
๐น 5W30
The 5W shows cold-weather performance (better flow during cold starts).
The 30 shows how the oil performs at high operating temperatures.
๐น Semi-Synthetic
A balance of protection, performance, and value for everyday driving.
๐น Longlife
Designed for extended service intervals when approved by your vehicle manufacturer.
๐น C3 (ACEA Rating)
Low-ash oil designed for modern engines, often required for vehicles with DPF systems.
๐น Pack Size
Choose the right amount for your service needs.
Find OEM-approved oils and genuine car parts for your vehicle at lllparts.co.uk