2021 Subaru WRX STI Oxygen Sensor
Browse our online catalogue to find original replacement Oxygen Sensors specifically designed to fit a 2021 Subaru WRX STI.

2021 Subaru WRX STI Oxygen Sensor
$172.88
$110.89
In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Downstream
Required Per Vehicle: 1
Made in USA
Fits: 2021 Subaru WRX STI
Equipped With:
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





2021 Subaru WRX STI Oxygen Sensor
$83.32
In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Pick-Up: Ready in 2-4 Hours (Order before 3:00 PM)
Downstream
Required Per Vehicle: 1
Made in USA
Fits: 2021 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);





2021 Subaru WRX STI Oxygen Sensor
$196.22
$123.74
Out of Stock
Condition: New
Downstream
Required Per Vehicle: 1
Made in USA
Fits: 2021 Subaru WRX STI
Equipped With:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);

2021 Subaru WRX STI Air / Fuel Ratio Sensor
$364.16
$199.42
Out of Stock
Condition: New
Upstream
Required Per Vehicle: 1
Made in Japan
Fits: 2021 Subaru WRX STI
Equipped With:
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