Site traffic information and cookies

We use cookies (and equivalent technologies) to collect and analyse information on our site's performance and to enable the site to function. Cookies also allow us and third parties to tailor the ads you see when you visit our site and other third party websites in the same online network, including social networks. By clicking 'Agree', you agree to these uses of cookies. If you do not agree or if you would like more information, you can manage your cookie preferences by clicking the link provided.

Manage cookie preferences

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

  1. Home
  2. CAR ENGINE OIL & FLUIDS
  3. CAR ENGINE OIL & FLUIDS
  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.

Castrol MAGNATEC A3/B4

Castrol MAGNATEC’s uses part-synthetic technology and clings to your engine forming an extra layer that protects during warm-up and beyond and bonds to metal surfaces. Protection from the moment you start. (10W-40)

CASTROL GTX ULTRACLEAN

Castrol GTX ULTRACLEAN’s part-synthetic technology has superior formance with its unique Double Action formula helping to cleans away old sludge and the formation of new sludge.