2021 Subaru WRX STI Air / Fuel Ratio Sensor
Navigate our online catalogue to find original replacement Air / Fuel Ratio Sensors specifically designed to fit a 2021 Subaru WRX STI.


Air / Fuel Ratio Sensor
$364.16
$199.42 CAD
Out of Stock
Condition: New
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE
DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE







Oxygen Sensor
$74.99 CAD
In Stock
Condition: New
Ships: Monday Oct. 13th
Pick-Up: Ready in 2-3 Hours Monday Oct. 13th
Pick-Up: Ready in 2-3 Hours Monday Oct. 13th
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);

Oxygen Sensor
$172.88
$110.89 CAD
In Stock
Condition: New
Ships: Monday Oct. 13th
Pick-Up: Ready in 1 Hour Monday Oct. 13th
Pick-Up: Ready in 1 Hour Monday Oct. 13th
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE







Oxygen Sensor
$196.22
$123.74 CAD
Out of Stock
Condition: New
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);