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