Catalyst Location
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
| *1 | Air Fuel Ratio Sensor (Sensor 1) | *2 | Air Fuel Ratio Sensor (Sensor 2) |
| *3 | Converter with Catalyst Assembly | *4 | Front and Center Exhaust Pipe Assembly |
| *5 | Tail Exhaust Pipe Assembly | *6 | TWC: Front Catalyst |
| *7 | TWC: Rear Catalyst | - | - |
NOTE:
When replacing the converter with catalyst assembly (*3) and the front exhaust pipe assembly (*4) in order to replace the three-way catalytic converter, it is not necessary to replace the air fuel ratio sensor (sensor 1) (*1) and the air fuel ratio sensor (sensor 2) (*2).