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10W-40 engine oil | OILER

10W-40 engine oil

10W-40 is the workhorse grade. Typically a semi synthetic oil, it suits older engine designs, high mileage vehicles and cars built before long life service intervals became standard. Where an engine already burns a little oil, the heavier 40 hot grade often reduces consumption compared with a thinner alternative.

The trade off is cold weather performance. A 10W oil is noticeably thicker at start up than a 5W or 0W, so in very cold regions a lighter winter grade is the safer option wherever the manufacturer permits it. In mild climates and moderate use, 10W-40 offers an excellent balance of protection and price.

Check the API and ACEA ratings on the label, and confirm whether your engine needs a diesel specific formulation. 10W-40 engine oil from trusted manufacturers, with fast EU delivery.

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  • Availability: Not available
  • Brand: OPEL|GM
  • Oil specification: API SL
  • Engine oil GM 10W40 5L
    Out of stock
    • On sale!
    • Out of stock
    • Premium

    Engine oil GM 10W40 5L

    €26.43
    • EAN 9316521644984
    • Viscosity 10W40
    • Oil specification ACEA A3 ACEA B3 API CF API SL
    • Model GM 10W40 5L
    • Volume [L] 5
    • Brand category Premium
    • Manufacturer part number 1942046
    • Category Engine oil
  • Engine oil GM 10W40 1L
    Out of stock
    • On sale!
    • Out of stock
    • Premium

    Engine oil GM 10W40 1L

    €6.46
    • Viscosity 10W40
    • Oil specification ACEA A3 ACEA B4 API CF API SL
    • Model 10W40 1L
    • Volume [L] 1
    • Brand category Premium
    • Manufacturer part number 93165213
    • Category Engine oil