The Lexus TX 350 takes a full‑synthetic 0W‑20 motor oil.
For the TX 350’s 2.4-liter turbocharged engine, the recommended lubricant is a 0W-20 synthetic that meets ILSAC GF-6/GF-6A and API SP specifications. Always verify the exact requirement in your owner's manual or on the oil filler cap, as specifications can vary by year and market.
Oil specification and standards
To keep the vehicle running smoothly and maintain warranty coverage, use oil that matches the factory specification. The standard guidance for the TX 350 is:
- 0W-20 synthetic motor oil that meets ILSAC GF-6/GF-6A and API SP (or the latest API specification).
When shopping for oil, look for GF-6 certification and an API SP/SN rating on the label to ensure compatibility with the engine’s lubrication needs and emission systems.
Practical tips for verification and maintenance
Before you buy or change oil, use these pointers to verify the correct specification and maintain the engine properly:
- Check the oil cap and owner's manual for the exact grade requirement (0W-20 synthetic GF-6).
- Avoid conventional or high-viscosity oils unless specifically approved by Lexus for your model year.
- Adhere to the recommended service interval and keep records of oil changes for warranty and resale considerations.
Using the recommended oil helps protect engine performance, fuel efficiency, and longevity.
Summary
In short, the TX 350 is designed to use a 0W-20 full-synthetic motor oil that meets ILSAC GF-6/GF-6A and API SP specifications. Always confirm the exact requirement with the owner’s manual or a Lexus dealer, and choose a reputable oil that clearly carries GF-6 labeling.


