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Oil

Engine oil is the heartbeat of your engine. Added into your engine system, car engine oil cleans, lubricates, and disperses heat through your engine creating smooth, efficient running...

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  1. Castrol POWER1 4T 10W-40 Engine Oil 1L
    API Gasoline SN, JASO MA-2
    Product Code: CAS15F5A0
    20+ Available
    Add to Wish List
    Next Day Delivery Available Delivery on Thu 9th May
    FREE Standard Delivery When you spend over £25
  2. Castrol POWER1 Racing 2T Engine Oil 1L
    API Other TC, ISO ISO-L-EGD, JASO FD
    Product Code: CAS15F580
    18 Available
    Add to Wish List
    Next Day Delivery Available Delivery on Thu 9th May
    FREE Standard Delivery When you spend over £25
  3. 20+ Available
    Add to Wish List
    Next Day Delivery Available Delivery on Thu 9th May
    FREE Standard Delivery When you spend over £25
  4. 17 Available
    Add to Wish List
    Next Day Delivery Available Delivery on Thu 9th May
    FREE Standard Delivery When you spend over £25
  5. 20+ Available
    Add to Wish List
    Next Day Delivery Available Delivery on Thu 9th May
    FREE Standard Delivery When you spend over £25
  6. Castrol EDGE 5W-30 M Engine Oil 1L
    ACEA Light Duty C3, API Gasoline SN Plus , BMW Longlife-04, MB 229.31, MB 229.51, MB 229.52
    Product Code: CAS15BF68
    Castrol
    Castrol EDGE 5W-30 M Engine Oil 1L
    ACEA Light Duty C3, API Gasoline SN Plus , BMW Longlife-04, MB 229.31, MB 229.51, MB 229.52
    Product Code: CAS15BF68
    Out of stock
    Add to Wish List
    Item currently unavailable Please contact us to discuss alternative options
  7. Castrol MAGNATEC 5W-30 Stop-Start A5 Engine Oil 1L
    ACEA A1/B1, ACEA A5/B5, API Gasoline SN, ILSAC GF-5 , Ford WSS-M2C913-C, Ford WSS-M2C913-D
    Product Code: CAS15CA42
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  8. Castrol EDGE 0W-40 A3/B4 Engine Oil 1L
    ACEA A3/B4, API Gasoline SP , BMW Longlife-01, MB 229.3, MB 229.5, Renault RN 0700, Renault RN 0710, VW 502 00 / 505 00, Ford WSS-M2C937-A
    Product Code: CAS15F6B4
    Castrol
    Castrol EDGE 0W-40 A3/B4 Engine Oil 1L
    ACEA A3/B4, API Gasoline SP , BMW Longlife-01, MB 229.3, MB 229.5, Renault RN 0700, Renault RN 0710, VW 502 00 / 505 00, Ford WSS-M2C937-A
    Product Code: CAS15F6B4
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  9. Castrol EDGE 0W-20 C5 Engine Oil 1L
    ACEA Light Duty C5, ACEA Light Duty C6, API Gasoline SP, ILSAC GF-6 , GM (General Motors), Jaguar Landrover E, MB 229.71, Chrysler MS 6395, FIAT 9.55535-CR1, FIAT 9.55535-GSX, Ford WSS-M2C947-A, Ford WSS-M2C947-B1
    Product Code: CAS15F6E6
    Castrol
    Castrol EDGE 0W-20 C5 Engine Oil 1L
    ACEA Light Duty C5, ACEA Light Duty C6, API Gasoline SP, ILSAC GF-6 , GM (General Motors), Jaguar Landrover E, MB 229.71, Chrysler MS 6395, FIAT 9.55535-CR1, FIAT 9.55535-GSX, Ford WSS-M2C947-A, Ford WSS-M2C947-B1
    Product Code: CAS15F6E6
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  10. Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  11. Castrol EDGE 5W-40 Engine Oil 1L
    ACEA Light Duty C3, API Diesel CF, API Gasoline SN , FIAT 9.55535-S2, Ford WSS-M2C917-A, MB 226.5, MB 229.31, MB 229.51, Renault RN 0700, Renault RN 0710, VW 505 00, VW 505 01
    Product Code: CAS15F7D5
    Castrol
    Castrol EDGE 5W-40 Engine Oil 1L
    ACEA Light Duty C3, API Diesel CF, API Gasoline SN , FIAT 9.55535-S2, Ford WSS-M2C917-A, MB 226.5, MB 229.31, MB 229.51, Renault RN 0700, Renault RN 0710, VW 505 00, VW 505 01
    Product Code: CAS15F7D5
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  12. Castrol MAGNATEC 0W-30 Stop-Start D Engine Oil 1L
    ACEA Light Duty C2 , Ford WSS-M2C950-A
    Product Code: CAS15D607
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  13. Castrol MAGNATEC 5W-30 DX Engine Oil 1L
    API Gasoline SP, ILSAC GF-6 , GM (General Motors)
    Product Code: CAS15F6DD
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  14. Castrol MAGNATEC 10W-40 A/B Engine Oil 1L
    ACEA A3/B4, API Gasoline SP , FIAT 9.55535-D2, MB 229.3, VW 501 01, VW 505 00, MB 226.5, Renault RN 0700, Renault RN 0710
    Product Code: CAS15F7CA
    Castrol
    Castrol MAGNATEC 10W-40 A/B Engine Oil 1L
    ACEA A3/B4, API Gasoline SP , FIAT 9.55535-D2, MB 229.3, VW 501 01, VW 505 00, MB 226.5, Renault RN 0700, Renault RN 0710
    Product Code: CAS15F7CA
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  15. Castrol POWER1 Racing 2-Stroke 2T Motorcycle Oil 1L
    API Other TC, ISO ISO-L-EGD, JASO FD
    Product Code: CAS15B633
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  16. Castrol MAGNATEC 5W-30 Stop-Start C2 Engine Oil 1L
    ACEA Light Duty C2 , PSA B71 2290
    Product Code: CAS15BF77
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  17. Castrol POWER1 4-Stroke 4T 10W-40 Motorcycle Oil 1L
    API Gasoline SN, JASO MA-2
    Product Code: CAS15043E
    Out of stock
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    Item currently unavailable Please contact us to discuss alternative options
  18. Out of stock
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  19. Out of stock
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  20. Out of stock
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  21. Out of stock
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  22. Out of stock
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94 Items

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Change your oil today! Browse our range of OEM-approved oils from Castrol, Carlube Triple R and G-Force.

What engine oil do I need? Consult your owner’s handbook or use our number plate lookup tool to make sure you’re buying the correct oil for your car. The main factor will be the oil grade. This refers to the number combination on the front of the oil bottle i.e., 5w30.

This is a guide to the viscosity of the oil at different temperatures, with the W referring to winter. The first number denotes how oil flows at cold temperatures or on start-up, with a lower number donating a thinner oil. The second number will refer to the oil viscosity at standard operating temperatures.

Another characteristic to consider is whether your oil is Synthetic or Semi-Synthetic. Synthetic engine oil is refined and purified and less viscous, performing better in extreme temperatures. Synthetic oil tends to be favoured in modern vehicles with turbos and features such as Start-Stop.

Semi-synthetic oils are simply a blend of synthetic oil and traditional mineral oil. This blend provides some of the performance benefits of fully synthetic oil, whilst being more cost-effective.

To conduct an oil change, you’ll need to remove your existing oil filter and drain the sump of any existing oil. Once this is done, attach a new oil filter. Locate the oil fill port, this will be located under the bonnet and have a symbol of oil on the top and pour in your fresh oil. To make sure you don’t overfill, refer to the owner’s manual for the correct amount and use the guides on the side of the oil bottle to confirm how much you’ve added.

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