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IT'S MORE THAN JUST OIL. IT'S LIQUID ENGINEERING.

  1. Home
  2. CAR ENGINE OIL & FLUIDS
  3. ENGINE OILS
  4. ENGINE OIL TYPES
  5. PART SYNTHETIC OIL

Part Synthetic Oil

Does your car need a part synthetic blend engine oil? Somewhere between conventional and full synthetics, they’re a popular and economical choice.

When might you need synthetic blend oil?

What is part synthetic oil? Also known as Semi Synthetic or Synthetic Blend engine oil, these motor oils provide a balance between the economy offered by conventional oil and the superior performance of full synthetic oil.

 

Among the leading part synthetic oils you can choose between are Castrol® GTX® Ultraclean, which provides superior protection against the build-up of sludge, and Castrol® GTX® High Mileage, which is engineered for vehicles with over 75,000 miles on the odometer, but that don't require a full synthetic.