Caltex Delo Gold Ultra SAE 15W-40 is designed to support the demanding requirements of diesel engines This exceptional engine oil delivers outstanding wear protection and exceptional thermal stability, ensuring reliable performance under challenging conditions Its advanced additive technology effectively reduces sludge and deposit formation, helping maintain engine cleanliness for long-term efficiency Drivers can experience improved fuel efficiency and a smoother driving experience with Caltex Delo Gold Ultra, highlighting performance that doesn’t compromise quality or reliability