The 8 Best 234 Denso Air Fuel Ratio sensors (2023 reviews)

This is front oxygen sensor, or called laf sensor ( air fuel ratio sensor) before the converter. It is constructed from durable material that is corrosion and abrasion resistant. It works well to replace the oem oxygen sensor at almost 1/3 of the cost. This sensor features zirconia solid electrolyte integrated with alumina heater substrate which precicely controls the amount of oxygen concentration that flows into the diffusion layer to limit current flow. The Wire has a rubber piece that fits in the bracket and snugs up nicely. It includes a little tube of anti-seize. It can easily be installed and ensures longevity.

Why We Like This:

Works well to replace the oem oxygen sensor at almost
Good brand reputation

Best Runner up: Denso Oxygen Sensor

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a sensor. This product is exactly that - it's a simple product that hits all the right notes. It is manufactured to detect the amount of exhaust gas air fuel ratio. It is covered in a heat-shield. It is the front sensor that goes before the catalyst. It is perfectly and the "check engine" light is gone. This includes anti-seize compound on the threads as well as a separate small tube.

The sensor is located before the catalytic converter on the exhaust pipe. It performs properly once you unplug the upstream sensor. It is very useful to have mounting grease.

Why We Like This:

20 minute repair with the o2 removal tool
Installed hassle free with no problems
Pretty simple to install if you have the tools

Best replacement Product: Denso OEM Sensor

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The denso oem sensor is specially designed for your daily usage and has all useful features. It turns your phone into a odb-ii computer. It features zirconia solid electrolyte and it is constructed from durable material. The knobs unscrew off your shifters. The o2 connector is accessable through the shift/transfer closeout, once the o2 sensor connector is released from its anchor clip.

Why We Like This:

Delivers what they promise
New and hot release

Best quality Sensor: Denso old Sensor

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Compared with other products by Denso, the denso old sensor has a convenient design. It takes care of the check engine light and the VSC light. It comes with a connector attached and a small packet of anti-seize compound. The heater resistant is also as the OEM OEM light. It will strip easily.

Why We Like This:

Delivers what they promise
One of the new comers and featured product

Best for OE Direct Fit Sensor: Denso definitely cheapest Sensor

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The denso definitely cheapest sensor is satisfactory and appropriate and fits well with your daily usage. Life Saver is definitely the cheapest sensor you will find everywhere else they want way too much money and it's a denso made to last acura tsx. It features zirconia solid electrolyte plus it is constructed from durable material. The sensor has an anti-sieze compound applied to the threads and is covered with a protective plastic cap.

Why We Like This:

Takes less than 15 mins to replace
Good investment for long term

Best budget: Denso Air Fuel Ratio Sensor

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For a low asking price, denso air fuel ratio sensor has managed to overwhelm their customers by packing as many features as they could. This is the upstream sensor in the manifold. It features zirconia solid electrolyte additionally it is constructed from durable material. This sensor will make your car get 200% more MPG for real. It will idle rough/odd for a few miles while the computer re-learns and then you are golden. This will give you straight access to the sensor. It will be on your right as you face the car.

Why We Like This:

Installed in exhaust manifold visible when hood is open
Gentle tapping around the base will help to loosen it
Works perfectly, and much more economical than buying from mechanic

Best value for money: 234 Denso Air Fuel Ratio Sensor

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The 234 denso air fuel ratio sensor should be able to handle its purpose and duties with ease. It fits rsx base automatic transmission no problem.

Why We Like This:

Lot of satisfied buyers
New and hot release

Best Feature: Easy to remove: Denso stream Sensor

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This sensor features zirconia solid electrolyte integrated with alumina heater substrate which precicely controls the amount of oxygen concentration that flows into the diffusion layer to limit current flow. It fits perfectly and the engine runs smoothly. It can be used on a 2004 v6 camry bank 1 sensor and 1 air fuel ratio sensor at the front of the engine on the exhaust manifold. The sensors fix an engine warning light caused by one or more defective air-fuel sensors in the exhaust system.

The unit is the perfect replacement fit, down to clip securing wires on the bracket against chafing. This is located on the intake side of the manifold (front right) just below the air intake. This is a very important part of your engine and you definitely wanna get a quality part like this one if you want good performance and efficiency.

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