Delivery info

Free delivery on all our products which will take between 3-5 days. Next day delivery available. UK shipping only.

30 days returns

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12 months warranty

Quality comes first and our products are designed to last which is why we offer 12 months warranty.

Castrol Magnatec (C3) Engine Oil - 5W-30 - 1ltr - HWB Car Parts

Castrol Magnatec (C3) Engine Oil - 5W-30 - 1ltr

We wont be beaten on price! See our price promise here.

Castrol Magnatec 5w30 C3 is a fully synthetic engine oil, which is designed to protect you cars engine during the critical warm up stage, when upto 75% of engine wear and tear occurs.

This product is eligible for free UK delivery. Next day delivery available from £5.99. Same day delivery and click & collect in Swansea. Please select which delivery option is right for you at checkout. Click here for delivery info. 

Not happy with your new item? No problem. Simply send it back to us within 30 days of your purchase for a full refund. Terms & conditions apply. 


  • ACEA C3
  • BMW Longlife 04
  • Dexos 2*
  • MB-Approval 229.31
  • VW 502 00/ 505 00
  • Specifically developed for engines requiring the GM dexos2 engine oil specification



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