This DENSO Lambda Sensor, part code DOX-0405, is engineered for precise air-fuel ratio measurement. It plays a crucial role in maintaining your vehicle's emissions control system and improving fuel economy. Crafted with high-quality materials, this sensor ensures durability and reliable performance under various driving conditions. Its direct-fit design simplifies installation, making it a convenient replacement for your original equipment. Proper functioning of the lambda sensor is essential for the engine control unit (ECU) to make real-time adjustments to fuel injection. This DENSO sensor helps your vehicle meet emission standards and run smoothly.