Ensure smooth, responsive shifting and maximum transmission protection with original Genuine Toyota AT Fluid WS (World Standard). Specifically formulated for modern Toyota and Lexus vehicles equipped with electronic automatic transmissions requiring WS specification, this high-performance fluid provides exceptional low-temperature fluidity, thermal stability, and long-lasting friction durability. Keep your transmission running reliably and efficiently with factory-grade protection. Brand new stock available in sealed 4-liter metal cans for immediate delivery or pickup.