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Idemitsu is a leading Japanese lubricant manufacturer, established and developed with over 100 years of experience.
With a forward-thinking vision for developing environmentally friendly engine lubricant products, the company is committed to finding effective and practical solutions to meet the demands of both customers and the environment. Idemitsu prides itself on being a pioneer in innovation. Our state-of-the-art laboratories employ rigorous quality control processes to ensure all of the brand’s premium products exceed the quality requirements of most Japanese automobile manufacturers.
For many generations, Idemitsu’s powerful yet fuel-efficient lubricants have earned customer trust. Breakthrough advancements in formulating low-viscosity engine oils allow for optimal fuel economy, while excellent thermal stability and oxidation resistance help extend oil drain intervals. With passion and continuous refinement, the company’s goal is to achieve a perfect balance between maximum performance and engine protection.
Idemitsu Diesel CI-4 20W-50 is a high-performance, multi-grade mineral-based engine oil, specially formulated for mixed fleets using diesel engines requiring API CI-4 standards. The product is designed for modern diesel engines operating under severe conditions and heavy capacity, with superior cold start protection. Consequently, the product significantly reduces engine wear. Special additives are included to substantially reduce engine noise.
– Recommended for both diesel and gasoline engines, including naturally aspirated, turbocharged, and supercharged engines.
– Excellent oxidation and thermal stability under severe operating conditions.
– Superior detergency properties.
– Prevents harmful foam formation.
– Excellent anti-corrosion and anti-rust properties.
– Extends engine life and improves operational efficiency.
– Meets API CI-4 standards.
