2019 Subaru WRX STI Air / Fuel Ratio Sensor
Navigate our online catalogue to find original replacement Air / Fuel Ratio Sensors specifically designed to fit a 2019 Subaru WRX STI.








Air / Fuel Ratio Sensor
$366.08
$215.82
Limited Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
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:
B1S1 OE Equivalent Design
B1S1 OE Equivalent Design

Air / Fuel Ratio Sensor
$364.16
$199.42
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:
O.E. Quality Direct Fit Replacement Sensor OE
O.E. Quality Direct Fit Replacement Sensor OE







Oxygen Sensor
$181.92
$109.31
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Downstream
Required Per Vehicle: 1
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:
B1S2 OE Equivalent Design
B1S2 OE Equivalent Design

Oxygen Sensor
$172.88
$110.89
In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
Pick-Up: Ready in 1 Hour (Order before 12:00 PM)
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