1A Auto Video Library
Our how-to videos have helped repair over 100 million vehicles.
Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

How to Replace Downstream Oxygen Sensor 2012-2021 Mazda 6

Created on: 2024-08-16

This video shows you how to install a new downstream oxygen sensor from TRQ on your 2021-2021 Mazda 6.

Tools needed

  • 12mm Socket

    Gloves

    Socket Extensions

    O2 Sensor Socket

    10mm Socket

    Ratchet

    Swivel

    3/8 Inch Impact Gun

    Trim Tool Set

    Safety Glasses

2014 - 2017  Mazda  6
2014 - 2016  Mazda  CX-5
2013 - 2016  Mazda  CX-5
2014 - 2018  Mazda  3
2021 - 2021  Mazda  CX-9
2019 - 2021  Mazda  CX-5
2022 - 2022  Mazda  CX-9
2022 - 2022  Mazda  CX-5
2018 - 2021  Mazda  6

O2 Oxygen Sensor Set

Mazda 3 6 CX-5 2 Piece O2 Oxygen Sensor Set TRQ OSA61821

Part Details:

  • 2 Piece
  • (1) Upstream O2 Oxygen Sensor
  • (1) Downstream O2 Oxygen Sensor
$109.95
recommended video

How to Replace Downstream O2 Oxygen Sensor 2000-02 Chevy Suburban

This video will show where each oxygen sensor is located and also how to replace the Bank 2 sensor 2 oxygen sensor if it turned on the check engine light

Share on:
Copy URL
Go To Top
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.