LIQUI MOLY's 21660 is a premium engine oil formulated to meet the demanding requirements of modern engines. It offers excellent wear protection, reduces friction, and helps maintain engine cleanliness. This engine oil is developed to ensure consistent performance under various operating conditions, from cold starts to high-temperature driving. Its advanced additive package contributes to fuel efficiency and reduced emissions. Trust LIQUI MOLY for superior engine care. The 21660 is engineered for reliability and performance, making it an ideal choice for routine maintenance and ensuring your engine runs at its best.