Does your car need a 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.
Sludge, varnish and carbon can build up in your engine, reducing engine life, power output and fuel economy. Castrol® GTX® ULTRACLEAN has a double-action formula that cleans away sludge and prevents new sludge from forming. It provides 45% better sludge protection than is demanded by tough industry standards.
Castrol MAGNATEC’s intelligent molecules cling to your engine and protect it when it’s needed most – during warm-up when up to 75% of engine wear occurs