Bizol Truck Primary CI-4/SL 15W-40 (200L) is a high-performance mineral engine oil designed for heavy-duty trucks and commercial vehicles. It provides exceptional protection against wear, deposits, and oxidation, ensuring optimal engine performance under demanding conditions. Meeting API CI-4/SL standards, this oil enhances engine life and reduces maintenance costs by improving fuel efficiency and providing superior lubrication. Ideal for older or high-mileage trucks, Bizol Truck Primary 15W-40 is formulated to handle the toughest operating environments.