Engineered using cutting-edge formulations and produced to meet international standards, our oils are trusted by automotive professionals and workshops for reliable performance, lasting protection, and cleaner engines.

Golden Star 15W-40 is a heavy-duty multigrade diesel engine oil formulated for both turbocharged and naturally aspirated engines. Designed to meet the demands of commercial vehicles, trucks, buses, and construction equipment, this oil offers outstanding soot control, wear resistance, and oxidation stability — ensuring dependable performance even under extended drain intervals and high-load operations.