Upstream O2 Oxygen Sensor For Mazda: CX-5 2019-2024, 3 2012-2013, 6, CX-9, MX-5 Miata

Got a check engine light or poor fuel economy in your Mazda?

This upstream oxygen sensor (also known as Bank 1 Sensor 1) is the fix.

It's a direct-fit, wideband O2 sensor that's compatible with a range of Mazda models.

It fits the 2019-2024 CX-5, 2012-2013 Mazda3, and select years of the Mazda 6, CX-9, and MX-5 Miata.

It's specifically for the 2.0L or 2.5L engines, but please note: for the Mazda 6 and CX-5, it only fits the turbocharged versions, not the naturally aspirated ones.

This sensor comes with a wire harness and a stainless steel protective sleeve.

It features triple sealing technology and dual laser welding for durability and a tight seal.

The thread diameter is M18 and the wiring harness is about 337mm long.

It's a 5-wire, heated sensor with a blade terminal type.

Installation is straightforward, and it comes with a 1-year warranty.

Get your engine running efficiently again with this quality replacement part.