What brand of oxygen sensor does Toyota use?
As of 2024-2025, Toyota’s oxygen sensors are not sourced from a single brand. The core OEM supplier remains Denso, with NTK/NGK and Bosch appearing in certain models or markets. The exact brand can vary by model, year, and region.
Oxygen sensors (O2 sensors) monitor exhaust gas composition to help the engine control unit optimize fuel delivery and emissions. Toyota sources these sensors from multiple suppliers; Denso is the dominant partner for many vehicles, while other brands appear in specific generations or markets. This article outlines who supplies the sensors and how to identify the brand currently installed in your car.
OEM oxygen sensor suppliers for Toyota
Below are the brands most commonly used by Toyota for genuine O2 sensors, noting that model- and market-specific variations exist.
- Denso — the primary original equipment supplier for many Toyota oxygen sensors; widely used for upstream (pre-cat) and downstream sensors across numerous models.
- NTK (NGK) — used on some Toyota models or markets; NTK sensors are commonly offered as OE or replacement parts in various regions.
- Bosch — used in a minority of markets or generations; available as OE or replacement in some Toyota vehicles.
In practice, owners replacing sensors should expect Denso parts to be the standard option in most Toyotas, with NTK/NGK or Bosch appearing as alternatives in certain markets or for specific sensor types.
How to identify the sensor brand on your Toyota
To determine the exact brand installed on your vehicle, inspect the sensor itself and reference official parts information. The steps below help you confirm the brand and ensure you source the correct replacement.
- Locate the oxygen sensors on the exhaust system (upstream before the catalytic converter, and downstream after it).
- Check the sensor body for markings. Look for brand names such as “DENSO,” “NTK,” or “Bosch,” or a part number stamped on the metal housing.
- Cross-check the stamped part number or branding against the Toyota Genuine Parts catalog or your vehicle’s VIN-specific service information to confirm the OEM brand for your model/year.
- If in doubt, contact a Toyota dealer or a qualified mechanic to verify the exact sensor specification before purchasing a replacement.
Knowing the correct brand helps ensure proper fit, calibration, and emission compliance when replacing O2 sensors on your Toyota.
Summary
Toyota predominantly uses Denso for its oxygen sensors, with NTK/NGK and Bosch supplying sensors for certain models or markets. The exact brand varies by model, year, and region. When replacing sensors, verify the OE brand via the vehicle’s VIN or the official parts catalog to ensure compatibility and emissions compliance. If you’re uncertain, consult a Toyota dealer or trusted mechanic for guidance.
Who makes the oxygen sensors for Toyota?
Denso sensor
This is 100% New Denso sensor MADE IN JAPAN NO CHINA . - Sold in bulk without the original box.
Who makes sensors for Toyota?
Denso
Denso manufactures sensors to meet Toyota's stringent quality standards and durability requirements. These sensors undergo extensive testing for reliable operation. The high-quality materials in Denso sensors provide extended service life for many Toyota vehicles.
Does Denso make Toyota O2 sensors?
Denso Oxygen (O2) Sensor - 234-4622 (Fits Select Years of Toyota: 4Runner/Avalon/Camry/Corolla/Matrix/Paseo/RAV4/Sienna/Solara/Tercel, Lexus: ES300(h)/NX200t/NX300(h), and Pontiac Vibe Vehicles)
What sensors does Toyota use?
Radar Sensors: Toyota vehicles are equipped with front and rear radar sensors. The front radar sensor is used for features such as automatic high beams, adaptive cruise control, and a pre-collision system.
