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10 Castrol 5w 30 Engine Oil deals are available from: Amazon stores, starting from £13.96. The biggest discount we found is 27% on Castrol EDGE 5W-30 LL Advanced Full Synthetic Engine Oil, 5L at Amazon. The lowest price we found is £13.96 while the highest is £62.39. Prices for the best Castrol 5w 30 Engine Oil deals average at £36.57. Last updated on October 10, 2026. We scanned these quality online stores and more to deliver you with the best offers online available for Castrol 5w 30 Engine Oil.
