LIQUI MOLY 4421 Transmission Oil is engineered to provide superior lubrication for manual transmissions. Its advanced formulation reduces friction and wear, extending the life of gearbox components. This transmission fluid offers excellent thermal stability, maintaining its performance even under high operating temperatures. It ensures consistent viscosity across a wide temperature range, facilitating smooth gear engagement and preventing grinding. Designed for durability and efficiency, LIQUI MOLY 4421 helps to maintain the integrity of seals and gaskets, preventing leaks. It is suitable for a wide range of manual transmissions, meeting or exceeding industry standards for protection and performance.