NGK Direct Fit (B1S2) Oxygen Sensor Subaru WRX 15-21 / Forester XT 14-18 | 24478 Wheel Color_Red RADIUM DMR (direct mount regulator)

RADIUM DMR (direct mount regulator)

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

One will serve just as a backup

Part #: KB-017-STI-R

NGK Direct Fit (B1S2) Oxygen Sensor Subaru WRX 15-21 / Forester XT 14-18 | 24478 Wheel Color_Red RADIUM DMR (direct mount regulator)Product 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,