Best Denso Car Oxygen Sensors of 2025

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Car oxygen sensors are an essential component in modern-day vehicles. They help to monitor the amount of oxygen in the exhaust gases and provide data to the engine management system. This data is used to adjust the air/fuel mixture, resulting in efficient combustion and reduced emissions. Denso is a well-known brand that produces high-quality car oxygen sensors. Their products are reliable, accurate, and can help to improve the performance of your vehicle. Whether you are a professional mechanic or a car enthusiast, Denso's oxygen sensors are worth considering.
At a Glance: Our Top Picks
Top 10 Denso Car Oxygen Sensors
DENSO DOX-0109 Universal Fit O2 Sensor
The DENSO DOX-0109 Sensor offers OEM quality that ensures a precise fit for your vehicle, giving you peace of mind during installation. Its Teflon isolated wires, reinforced with steel strands, provide extra strength, making it more durable for everyday use. You will appreciate the nickel coated copper wire surroundings, which enhance conductivity and reduce resistance, leading to better performance. Additionally, the refined zirconia element improves the sensor's response time, helping your engine run more efficiently.
Denso NPS DOX-0204 Lambda Probe Sensor
The Denso NPS DOX-0204 Sensor boasts OEM quality, ensuring a perfect fit for your vehicle every time. With Teflon isolated wires reinforced by steel strands, it offers exceptional strength, making it a reliable choice for your car. Additionally, the nickel-coated copper wire surrounds improve conductivity and reduce resistance, enhancing performance. The refined zirconia element also plays a crucial role by improving the sensor's response, helping you maintain optimal engine efficiency.
Denso 234-4733 Oxygen Sensor for Efficient Fuel Use
The Denso 234-4733 Sensor is designed to enhance your vehicle's fuel efficiency, ensuring you get the most out of every drop of petrol. Its easy installation means you can quickly fit it yourself, saving time and effort. Made from high-quality materials, this sensor promises durability and reliability, giving you confidence in its performance. Moreover, it is manufactured with precision to meet original equipment (OE) standards, guaranteeing compatibility with your vehicle for optimal operation.
DENSO Lambda Sensor DOX-0510 for Emissions Control
The DENSO Lambda Sensor is designed with high build quality, utilising premium materials and a unique ‘double trap' layer for enhanced durability. Its proprietary technology, developed since the 1970s, ensures cutting-edge performance while meeting stringent EURO 3 regulations. You will appreciate the optimised range of thimble and planar types, which reduces installation errors. Additionally, this sensor excels in emissions control, accurately monitoring exhaust gases to help you achieve lower emissions and comply with environmental standards.
Denso 234-4517 Oxygen Sensor with Advanced Features
The Denso 234-4517 Sensor is designed to accurately detect the amount of oxygen in your vehicle's exhaust system, ensuring optimal engine performance. Constructed from high-quality materials, it offers durability and longevity. With its double protection layer, including an aluminium oxide trap layer and a PTFE filter, you can expect improved reliability and reduced emissions. Additionally, the stainless steel housing adds extra strength, making installation straightforward for you.
Denso 234-4601 High Quality Oxygen Sensor
The Denso 234-4601 Sensor is designed to accurately detect the amount of oxygen in your vehicle's exhaust system. This feature helps ensure optimal engine performance and fuel efficiency, ultimately saving you money at the pump. Constructed from high-quality materials, it offers durability and longevity. Additionally, its double protection layer, including an aluminium oxide trap layer and PTFE filter, provides added security against contaminants, ensuring reliable readings. With a stainless steel housing, this sensor is built to withstand harsh conditions, making it a smart choice for your car.
Denso 234-4622 Downstream Oxygen Sensor
The Denso Oxygen Sensor is designed to accurately detect the amount of oxygen in your vehicle's exhaust system, ensuring optimal performance. With its high-quality construction, this thimble-type sensor features a threaded mounting style that is easy to install. The sensor includes a double protection layer, an aluminium oxide trap layer, and a PTFE filter, all housed in durable stainless steel. This thoughtful design helps maintain the sensor's efficiency and longevity, ultimately benefiting your vehicle's emissions control and fuel efficiency.
Denso 234-4621 Oxygen Sensor with Double Protection
The Denso Oxygen Sensor is designed to accurately detect the amount of oxygen in your vehicle's exhaust system. This ensures optimal engine performance and fuel efficiency. Made from high-quality materials, it features a double protection layer for enhanced durability. Additionally, the aluminium oxide trap layer and PTFE filter work together to reduce contaminants, making it easier for you to maintain your vehicle. Installation is straightforward, allowing you to quickly replace a worn sensor and get back on the road.
DENSO DOX-1371 Lambda Sensor with Zirconia Element
The DENSO DOX-1371 Sensor features OEM quality, ensuring a perfect fit for your vehicle right from the start. Its Teflon isolated wires, reinforced with a steel core, provide extra strength, reducing the risk of damage. The nickel-coated copper wire surroundings ensure excellent conductivity and low resistance, enhancing performance. Additionally, the refined zirconia element improves sensor response, allowing you to enjoy a more efficient engine performance. With these features, you can trust that your vehicle will run smoothly and efficiently.
Denso 234-9005 Oxygen Sensor for Vehicles
The Denso Oxygen Sensor offers efficient fuel consumption, helping you save on petrol costs while ensuring your vehicle runs smoothly. It is highly accurate, which means you can trust it to provide precise readings for optimal performance. Installation is straightforward, allowing you to replace the sensor without hassle. Additionally, it is constructed from durable materials, ensuring longevity and reliability in various driving conditions. This combination of features makes the Denso Oxygen Sensor an excellent choice for your vehicle.
During our Denso car oxygen sensor research, we found 306 Denso car oxygen sensor products and shortlisted 10 quality products. We collected and analyzed 18,195 customer reviews through our big data system to write the Denso car oxygen sensors list. We found that most customers choose Denso car oxygen sensors with an average price of £52.93.
The Denso car oxygen sensors are available for purchase. The top 10 picks range in price from a low of £35.00 to a high of £149.00, find the one that fits your budget.

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.