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🛢️ Drive smarter, not harder — protect your engine with Castrol MAGNATEC!
Castrol MAGNATEC 10W-40 A/B is a part-synthetic engine oil engineered with patented molecules that cling to engine parts, reducing wear by up to 50% during warm-up and stop-start driving. Suitable for gasoline and diesel engines meeting ACEA A3/B4 and API SP standards, it offers high thermal stability with a 203°C flash point. Trusted by professionals and rated 4.8 stars from over 260 reviews, this 4L bottle delivers reliable, long-lasting engine protection for modern vehicles.





| ASIN | B0C814YKCS |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | 5,075 in Automotive ( See Top 100 in Automotive ) 116 in Car Engine Oils |
| Brand | Castrol |
| Brand Name | Castrol |
| Compatible with Vehicle Type | Car |
| Container Type | Bottle |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.8 out of 5 stars 261 Reviews |
| Flash Point | 203 Degrees Celsius |
| Flash point | 203 Degrees Celsius |
| Included Components | Car Engine Oils |
| Item Type Name | Car Engine Oils |
| Liquid Volume | 4 Litres |
| Liquid volume | 4 Litres |
| Manufacturer | Castrol |
| Manufacturer Part Number | 15F7CE |
| Manufacturer Warranty Description | refer to Castrol website |
| Model Number | 15F7CE |
| Number of Packs | 1 |
| Package information | Bottle |
| SAE J300 Viscosity Grade | 10W-40 |
| Size | 4L |
| Unit Count | 4000.0 millilitre |
| Vehicle service type | Car |
| Viscosity Level | Medium |
T**R
Good protection
Brilliant oil. Noticed the difference in my Isuzu truck when I changed the oil
N**G
Worth every penny
Great price, great value.
P**R
Oil choose
Good oil for the older vehicle.
M**L
Oil
Perfect cheers guys
N**L
Love it
Got this on sale but it's absolutely brilliant, I'm pretty sure my engine doesn't burn through this as quickly as it did with other oils, so a big thumbs up.
D**N
Simply great
Oil is oil, right? I don't believe so. How can I tell what's really happening in the engine? Well, I suppose I can't, but the old engine is running well and the fuel economy has jumped too, which surprised me given I've tracked my economy for many years and it's never been this good! Decent value when bought in a large container.
I**N
Superlative quality products.
I have used Castrol oils since the mid 1960's including Castrol R in my performance engine'd vehicles. Castrol was the oil of choice throughout my 50 years in the Motor trade, I used the correct recommended Castrol oil in my Dreaded Eco boost engine with absolutely no problems. I can absolutely recommend Castrol oils .
E**E
Does the job but a little restrictive
A cheaper alternative to the Genuine OEM oil recommended for my 2007 Fiat Panda 1.1 Active (Euro5). I have since replaced this with Mobil super 2000 X1 which I have feel lets the engine rev up easier than the Magnatec does.
F**E
Recomendado para ahorrar
Gama económica, pero funciona muy bien.
E**O
Eccellente lubrificazione all'avvio grazie alle molecole "Intelligenti"
Olio semisintetico di alta qualità, il Castrol Magnatec 10W-40 è un punto di riferimento per motori che richiedono questa specifica viscosità. La tecnologia delle molecole attive che aderiscono alle parti metalliche del motore anche a veicolo spento è percepibile durante gli avviamenti a freddo, che risultano più fluidi e meno rumorosi. Sotto stress termico, l'olio mantiene una stabilità chimica ottimale, riducendo la formazione di depositi e morchie. Il formato da 4 litri è ideale per un cambio d'olio standard sulla maggior parte delle utilitarie e berline medie. Una scelta di sicurezza per chi vuole prolungare la vita utile del propulsore riducendo l'attrito meccanico nelle fasi critiche.
A**R
Castro oil
Value for money. Quality product. Free delivery.
D**E
Super
Sehr zufrieden mit dem Produkt und schnelle Lieferung 😃
F**X
Huile
Article conforme à la description, livraison avant délais huile très bonne qualité. Je recommande.
Trustpilot
3 weeks ago
1 month ago