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10W40 Engine Oil

10W40 Engine Oil

Keep your engine in top condition with high-quality engine oil from Euro Car Parts. We offer unbeatable prices on 10W40 oil from Shell, Mobil, Gulf and other reliable, well-known brands.

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  • Castrol Power1 10W-40 4T Motorcycle 4 Stroke - 1LtrProduct Code: 521773612
    (2)
    In StockFree delivery for orders above £25*
    £13.49
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    Castrol Power1 10W-40 4T Motorcycle 4 Stroke - 1Ltr
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    Free delivery for orders above £25*
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    10W40 Engine Oil fitting available, select nearest workshop at checkout
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    Castrol
  • Castrol GTX Ultraclean A3/B4 Engine Oil- 10W-40 - 1ltrProduct Code: 521771942
    (4)
    In StockFree delivery for orders above £25*
    £13.99
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    Castrol GTX Ultraclean A3/B4 Engine Oil- 10W-40 - 1ltr
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    Free delivery for orders above £25*
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    10W40 Engine Oil fitting available, select nearest workshop at checkout
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    Castrol
  • Castrol Garden 2T - 1LtrProduct Code: 521776602
    In StockFree delivery for orders above £25*
    £14.49
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    Castrol Garden 2T - 1Ltr
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    Free delivery for orders above £25*
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    Castrol
  • Castrol Magnatec (A3/B4) Engine Oil - 10W-40 - 1ltrProduct Code: 521771952
    (4)
    In StockFree delivery for orders above £25*
    £14.49
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    Castrol Magnatec (A3/B4) Engine Oil - 10W-40 - 1ltr
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    Free delivery for orders above £25*
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    10W40 Engine Oil fitting available, select nearest workshop at checkout
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    Castrol
  • Castrol Power1 10W-40 Racing 4T Motorcycle 4 Stroke - 1LtrProduct Code: 521772882
    In StockFree delivery for orders above £25*
    £20.99
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    Castrol Power1 10W-40 Racing 4T Motorcycle 4 Stroke - 1Ltr
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    Free delivery for orders above £25*
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    10W40 Engine Oil fitting available, select nearest workshop at checkout
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    Castrol
  • Castrol Chain Lube Racing - 0.4LtrProduct Code: 521774750
    In StockOrders placed before 15:00 Mon-Fri. Specialist delivery charges apply to this item*
    £22.49
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    Castrol Chain Lube Racing - 0.4Ltr
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    Orders placed before 15:00 Mon-Fri. Specialist delivery charges apply to this item*
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    10W40 Engine Oil fitting available, select nearest workshop at checkout
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    Castrol
  • Castrol Power1 2T Motorcycle 2 Stroke - 1LtrProduct Code: 521772382
    In StockFree delivery for orders above £25*
    £29.99
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    Castrol Power1 2T Motorcycle 2 Stroke - 1Ltr
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    Fit It For Me
    10W40 Engine Oil fitting available, select nearest workshop at checkout
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    International Delivery
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    Castrol
  • Castrol Power1 10W-50 Racing 4T Motorcycle 4 Stroke - 1LtrProduct Code: 521772182
    In StockFree delivery for orders above £25*
    £33.49
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    Castrol Power1 10W-50 Racing 4T Motorcycle 4 Stroke - 1Ltr
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    Fit It For Me
    10W40 Engine Oil fitting available, select nearest workshop at checkout
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    Castrol
  • Castrol GTX Ultraclean A3/B4 Engine Oil - 10W-40 - 4ltrProduct Code: 521771941
    (11)
    In StockFree delivery for orders above £25*
    £36.99
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    Castrol GTX Ultraclean A3/B4 Engine Oil - 10W-40 - 4ltr
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    Fit It For Me
    10W40 Engine Oil fitting available, select nearest workshop at checkout
    International Delivery
    International Delivery
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    Castrol
  • Castrol Magnatec Professional Diesel 0W-20 1LProduct Code: 521770242
    In StockFree delivery for orders above £25*
    £36.99
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    Castrol Magnatec Professional Diesel 0W-20 1L
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    Fit It For Me
    10W40 Engine Oil fitting available, select nearest workshop at checkout
    International Delivery
    International Delivery
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    Castrol
  • Castrol Power1 2T Scooter 2 Stroke Oil - 1LtrProduct Code: 521773832
    In StockFree delivery for orders above £25*
    £36.99
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    Castrol Power1 2T Scooter 2 Stroke Oil - 1Ltr
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    Fit It For Me
    10W40 Engine Oil fitting available, select nearest workshop at checkout
    International Delivery
    International Delivery
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    Castrol
  • Castrol Magnatec (A3/B4) Engine Oil - 10W-40 - 4ltrProduct Code: 521771951
    (33)
    In StockFree delivery for orders above £25*
    £38.49
    View product details
    Castrol Magnatec (A3/B4) Engine Oil - 10W-40 - 4ltr
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    Fit It For Me
    10W40 Engine Oil fitting available, select nearest workshop at checkout
    International Delivery
    International Delivery
    Add to WishlistAdd to Wishlist
    Add to BasketView Detail
    Castrol
  • Castrol Vecton 10W-40 Long Drain Truck E6/E9 - 5LtrProduct Code: 521774781
    In StockFree delivery for orders above £25*
    £53.99
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    Castrol Vecton 10W-40 Long Drain Truck E6/E9 - 5Ltr
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    Fit It For Me
    10W40 Engine Oil fitting available, select nearest workshop at checkout
    International Delivery
    International Delivery
    Add to WishlistAdd to Wishlist
    Add to BasketView Detail
    Castrol
  • Castrol Power1 10W-40 Racing 4T Motorcycle 4 Stroke - 4LtrProduct Code: 521772881
    (2)
    In StockFree delivery for orders above £25*
    £63.99
    View product details
    Castrol Power1 10W-40 Racing 4T Motorcycle 4 Stroke - 4Ltr
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    Fit It For Me
    10W40 Engine Oil fitting available, select nearest workshop at checkout
    International Delivery
    International Delivery
    Add to WishlistAdd to Wishlist
    Add to BasketView Detail
    Castrol
  • Castrol Power1 10W-40 4T Motorcycle 4 Stroke - 4LtrProduct Code: 521773611
    In StockFree delivery for orders above £25*
    £84.99
    View product details
    Castrol Power1 10W-40 4T Motorcycle 4 Stroke - 4Ltr
    Free Click & CollectCheck stock in other stores
    Delivery Available
    Free delivery for orders above £25*
    International Delivery
    International Delivery
    Fit It For Me
    Add to WishlistAdd to Wishlist
    Add to BasketView Detail
    Castrol
  • Castrol Magnatec Professional Diesel 0W-20 5LTProduct Code: 521770241
    Out of Stock
    £62.99
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    Castrol Magnatec Professional Diesel 0W-20 5LT
    Free Click & CollectCheck stock in other stores
    Delivery AvailableOut of Stock
    Out of Stock
    International Delivery
    International Delivery
    Fit It For Me
    Add to WishlistAdd to Wishlist
    Add to BasketView Detail
    Castrol
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What is 10W40 oil used for?


10W40 engine oil is typically added to vehicles during summer months or when the temperature is high. The '10' indicates a higher viscosity index, meaning this oil can withstand hot temperatures before it starts to thin.



Does it matter if I use 10W40 instead of 5W30?


Yes, your choice of engine oil will affect overall performance. 5W30 oil has a lower viscosity index, so it won't be as suitable for warmer temperatures and climates; in this case, you would choose 10W40 engine oil instead.



When should I use 10W40 oil?


You should opt for 10W40 engine oil if you plan on driving in warm temperatures. This oil is thicker and therefore maintains its viscosity for longer, enabling it to keep lubricating the engine's parts.

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