2011 Subaru Forester Air / Fuel Ratio Sensor
Navigate our online catalogue to find original replacement Air / Fuel Ratio Sensors specifically designed to fit a 2011 Subaru Forester.








Air / Fuel Ratio Sensor
$381.58
$215.82 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Aspiration: Turbocharged; 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
$362.98
$292.85 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
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







Air / Fuel Ratio Sensor
$354.75
$212.72 CAD
Out of Stock
Condition: New
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Vehicle Fitment Notes:
B1S1 OE Equivalent Design
B1S1 OE Equivalent Design

Air / Fuel Ratio Sensor
$364.20
$199.42 CAD
Out of Stock
Condition: New
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Aspiration: Turbocharged; 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
$188.83
$119.79 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
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:
Alternative Fit 1
Alternative Fit 1







Oxygen Sensor
$188.83
$115.04 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 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:
Exact Fit
Exact Fit







Oxygen Sensor
$116.92
$66.63 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 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);







Oxygen Sensor
$74.99 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);







Oxygen Sensor
$358.12
$327.18 CAD
In Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);







Oxygen Sensor
$194.92
$119.41 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Vehicle Fitment Notes:
B1S2 OE Equivalent Design
B1S2 OE Equivalent Design







Oxygen Sensor
$194.92
$119.41 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Aspiration: Turbocharged; 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
$242.04
$151.06 CAD
In Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
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
$123.34
$66.17 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Bank 1 Sensor 2
Bank 1 Sensor 2





Oxygen Sensor
$123.34
$66.17 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Vehicle Fitment Notes:
Bank 1 Sensor 2
Bank 1 Sensor 2





Oxygen Sensor
$123.34
$66.17 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Aspiration: Turbocharged; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Bank 1 Sensor 2
Bank 1 Sensor 2




Oxygen Sensor
$303.75
$162.93 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Bank 1 Sensor 1 w/ 4 Wires
Bank 1 Sensor 1 w/ 4 Wires




Oxygen Sensor
$303.75
$162.93 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Vehicle fitment:
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Aspiration: Naturally Aspirated; Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Vehicle Fitment Notes:
Bank 1 Sensor 1 w/ 4 Wires
Bank 1 Sensor 1 w/ 4 Wires







Oxygen Sensor
$304.40
$191.29 CAD
Out of Stock
Condition: New
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);
Engine Base: 2.5L 2498cc 152ci H4 (3.70x3.54; 94.0x90.0);







Oxygen Sensor
$358.12
$286.11 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);

Oxygen Sensor
$218.61
$123.19 CAD
Out of Stock
Condition: New
Downstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Aspiration: Turbocharged; 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
$706.56
$379.00 CAD
Call For Availability
Condition: New
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Aspiration: Turbocharged; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Aspiration: Turbocharged; Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Bank 1 Sensor 1 w/ 4 Wires
Bank 1 Sensor 1 w/ 4 Wires