What is an Air/Fuel ratio sensor and why is it important?

An Air/Fuel ratio sensor, also known as a wideband oxygen sensor, measures the precise amount of oxygen in your exhaust. This data allows your car's computer to fine-tune the fuel mixture for efficient combustion, better fuel economy, and lower emissions.

What are the signs that my Air/Fuel ratio sensor needs replacing?

Common symptoms include a rough idle, decreased fuel efficiency, hesitation during acceleration, and the illumination of the check engine light. If you notice these issues, it's a good idea to have the sensor checked.

Does this sensor come with the necessary hardware for installation?

This NGK Air/Fuel ratio sensor is designed as a direct replacement and typically installs using the existing hardware. Refer to the manufacturer's installation instructions for specific details regarding hardware requirements.

2010-2012 Subaru Legacy A/F Sensor | NGK 24746

Name: NGK 2012-10 Subaru Legacy OE Type 4-Wire A/F Sensor
Brand: NGK
SKU: ngk-ngk-2012-10-subaru-legacy-oe-type-4-wire-a-f-sensor-t14-818490
Price: 135.10 USD
Availability: BackOrder

NGK 2012-10 Subaru Legacy OE Type 4-Wire A/F Sensor

$135.10

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2010-2012 Subaru Legacy. This NGK 4-wire Air/Fuel ratio sensor is an OE type replacement, ensuring proper engine management.

Key Features

Fits 2010-2012 Subaru Legacy and 2010-2012 Subaru Outback.
NGK OE-type 4-wire Air/Fuel ratio sensor.
Features a platinum-alloy heating element for faster warm-up.
Designed to provide accurate exhaust gas measurements for optimal fuel mixture.
Helps maintain proper engine performance and emissions control.

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Product Details

The platinum-alloy heating element in this NGK Air/Fuel ratio sensor helps it reach operating temperature quickly, which is key for accurate readings right after startup. This sensor is built to match the original equipment specifications for your 2010-2012 Subaru Legacy or Outback, ensuring it communicates correctly with your car's computer.

An Air/Fuel ratio sensor, sometimes called a wideband oxygen sensor, is crucial for your engine's performance and emissions. It measures the exact amount of oxygen in your exhaust gases, allowing the engine control module to adjust the fuel mixture for optimal combustion. When this sensor starts to wear out, you might notice rough idling, decreased fuel economy, or the check engine light coming on. Replacing it with an OE-type sensor like this NGK unit helps restore your engine's efficiency and keep emissions in check.

NGK is a well-known name in ignition and sensor technology, and this part is designed to fit right into your Subaru's exhaust system without modification. It's a solid option for getting your engine running smoothly again.