NGK Direct Fit (B1S2) Oxygen Sensor Subaru WRX 15-21 / Forester XT 14-18 | 24478 Wheel Color_Red The durable black zinc coating

The durable black zinc coating not only adds corrosion resistance but also enhances the appearance of your braking system

this adapter is a must-have component for your STI 6-speed swap

Braided brake line construction eliminates brake line swell and loss of pressure

One will serve just as a backup

We recommend you call when ordering to specify which pistons you would like

NGK Direct Fit (B1S2) Oxygen Sensor Subaru WRX 15-21 / Forester XT 14-18 | 24478 Wheel Color_Red The durable black zinc coatingProduct Fitment: 2015 2021 Subaru WRX 2014 2018 Subaru Forester XT The NTK 24478 Oxygen Sensor is engineered to deliver OEM level fitment, function, and reliability. Designed as a direct replacement for factory downstream (post catalytic converter) sensors, it helps your vehicle maintain an ideal air fuel ratio, optimize fuel efficiency, and reduce emissions. Key Features & Benefits OE Identical Design: Matches the original equipment sensor in fit,