The Idemitsu Diesel CI-4/DH-1 15W-40 is a high-quality engine oil designed to maintain excellent engine cleanliness in various service conditions. It exhibits outstanding oxidation stability, which helps in prolonging the oil’s life. Its formulation ensures high shear stability at high temperatures, providing reliable performance.

Additionally, this oil offers superior protection against wear at startup, making it a robust choice for diesel engines. It meets a comprehensive range of performance standards, including SAE 5W-30, API CJ-4/DH-2, and others, signifying its adaptability to a wide array of engine requirements.