You can usually find the recommended power steering fluid type specified in your Lexus owner's manual.
Here are some commonly available types of power steering fluid that meet the JWS 3309 or JWS 3324 specification:
1. Toyota Genuine Power Steering Fluid: This is the original equipment fluid recommended by Lexus and is formulated to meet the specific requirements of Lexus vehicles.
2. Aisin Power Steering Fluid: Aisin is a major supplier of automotive parts to Toyota and Lexus, and their power steering fluid is another reputable option that meets the required specifications.
3. Amsoil OE Synthetic Power Steering Fluid: Amsoil's OE Synthetic Power Steering Fluid is designed to meet or exceed OEM standards, including those of Lexus, and is suitable for use in Lexus vehicles.
4. Valvoline MaxLife Power Steering Fluid: Valvoline's MaxLife Power Steering Fluid is specially formulated for older vehicles and is designed to help extend the life of power steering systems. It meets the JWS 3309 and JWS 3324 specifications and can be used in Lexus vehicles.
5. Castrol Transmax High Mileage Power Steering Fluid: Castrol's Transmax High Mileage Power Steering Fluid is formulated for vehicles with higher mileage and is compatible with Lexus models. It meets the JWS 3309 specification.
It's important to note that you should always refer to your Lexus owner's manual or consult with an authorized Lexus dealer to confirm the specific power steering fluid recommended for your vehicle. Mixing different types of power steering fluids or using fluids that do not meet the recommended specifications can adversely affect the performance and lifespan of your power steering system.