Original: $17.99
-65%$17.99
$6.30The Story
Magnatec 5W-30 A3/B4 Engine Oil
Non-Stop Protection from Every Start
Experience the innovative power of Castrol Magnatec's unique DUALOCK molecules, designed to cling to critical engine parts like a magnet. This advanced engine oil provides exceptional protection right from the moment you start your engine, significantly reducing wear during warm-up and stop-start driving—an essential feature for modern driving conditions.
Features and Benefits:
- Ground-breaking DUALOCK technology ensures superior wear protection by forming a robust protective layer.
- Reduces warm-up and stop-start wear, helping to extend the life of your engine.
- Engineered specifically for vehicles requiring ACEA A3/B4 and API SL specifications.
- Approved by leading automotive manufacturers, including MB, Renault, and VW, ensuring compatibility with a wide range of vehicles.
- Meets or exceeds various industry standards, including MB-Approval 226.5/229.5, Renault RN0700/RN0710, and VW 502 00/505 00.
- Suitable for use in vehicles where MB 229.3 is specified, making it a versatile choice for many drivers.
Advanced Protection
This advanced formula reduces engine wear by up to 50%*, thanks to its intelligent molecules that lock together to provide continuous protection. Whether you're navigating city traffic or cruising on the highway, you can trust that your engine is safeguarded against the challenges of everyday driving.
*As tested in the CEC OM646LA industry sequence IVA wear test.
Choose Castrol Magnatec 5W-30 A3/B4 Engine Oil for a reliable, high-performance solution that meets the demands of modern engines, ensuring they remain protected and efficient for longer.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Magnatec 5W-30 A3/B4 Engine Oil
Non-Stop Protection from Every Start
Experience the innovative power of Castrol Magnatec's unique DUALOCK molecules, designed to cling to critical engine parts like a magnet. This advanced engine oil provides exceptional protection right from the moment you start your engine, significantly reducing wear during warm-up and stop-start driving—an essential feature for modern driving conditions.
Features and Benefits:
- Ground-breaking DUALOCK technology ensures superior wear protection by forming a robust protective layer.
- Reduces warm-up and stop-start wear, helping to extend the life of your engine.
- Engineered specifically for vehicles requiring ACEA A3/B4 and API SL specifications.
- Approved by leading automotive manufacturers, including MB, Renault, and VW, ensuring compatibility with a wide range of vehicles.
- Meets or exceeds various industry standards, including MB-Approval 226.5/229.5, Renault RN0700/RN0710, and VW 502 00/505 00.
- Suitable for use in vehicles where MB 229.3 is specified, making it a versatile choice for many drivers.
Advanced Protection
This advanced formula reduces engine wear by up to 50%*, thanks to its intelligent molecules that lock together to provide continuous protection. Whether you're navigating city traffic or cruising on the highway, you can trust that your engine is safeguarded against the challenges of everyday driving.
*As tested in the CEC OM646LA industry sequence IVA wear test.
Choose Castrol Magnatec 5W-30 A3/B4 Engine Oil for a reliable, high-performance solution that meets the demands of modern engines, ensuring they remain protected and efficient for longer.
























