2009 Audi A4 Oxygen Sensors
Save up to 40% on original replacement 2009 Audi A4 Oxygen Sensors. Navigate our online catalogue to find Oxygen Sensors and other parts designed specifically to fit a 2009 Audi A4.
Oxygen Sensor - Downstream
$137.22
$77.93
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Oxygen Sensor - Downstream
$137.22
$77.93
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Oxygen Sensor - Downstream
$221.97
$137.36
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Oxygen Sensor - Downstream
$245.60
$153.10
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Oxygen Sensor - Upstream
$318.17
$170.10
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Oxygen Sensor - Upstream
$371.27
$181.09
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Oxygen Sensor - Downstream
$293.52
$142.03
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Vehicle Fitment Notes:
B1S2 OE Equivalent Design
B1S2 OE Equivalent Design
Oxygen Sensor - Downstream
$238.25
$125.05
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Vehicle Fitment Notes:
B1S2 OE Equivalent Design
B1S2 OE Equivalent Design
Oxygen Sensor - Downstream
$438.96
$263.43
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
Oxygen Sensor - Front
$336.47
$243.70
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Oxygen Sensor - Front
$336.47
$243.70
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: Canada;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: Canada;
Oxygen Sensor - Front
$336.47
$243.70
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: United States;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: United States;
Oxygen Sensor - Rear
$280.31
$203.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Vehicle Fitment Notes:
33in Length
33in Length
Oxygen Sensor - Rear
$280.31
$203.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: Canada;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: Canada;
Vehicle Fitment Notes:
33in Length
33in Length
Oxygen Sensor - Rear
$280.31
$203.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: United States;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: United States;
Vehicle Fitment Notes:
33in Length
33in Length
Oxygen Sensor - Rear
$280.31
$203.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Vehicle Fitment Notes:
33in Length
33in Length
Oxygen Sensor - Rear
$280.31
$203.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB; Region: Canada;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB; Region: Canada;
Vehicle Fitment Notes:
33in Length
33in Length
Oxygen Sensor - Rear
$280.31
$203.07
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB; Region: United States;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB; Region: United States;
Vehicle Fitment Notes:
33in Length
33in Length
Oxygen Sensor - Rear
$283.94
$205.69
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Vehicle Fitment Notes:
29in Length
29in Length
Oxygen Sensor - Rear
$283.94
$205.69
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: Canada;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: Canada;
Vehicle Fitment Notes:
29in Length
29in Length
Oxygen Sensor - Rear
$283.94
$205.69
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: United States;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT; Region: United States;
Vehicle Fitment Notes:
29in Length
29in Length
Oxygen Sensor - Downstream
$263.65
$138.10
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
Oxygen Sensor - Downstream
$231.06
$137.74
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Vehicle Fitment Notes:
Bank 1 Sensor 2
Bank 1 Sensor 2
Oxygen Sensor - Rear
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Sub-Model: Base;
Sub-Model: Base;
Vehicle Fitment Notes:
4-pin connector - Cable: 750mm
4-pin connector - Cable: 750mm
Oxygen Sensor - Front
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Sub-Model: Cabriolet;
Sub-Model: Cabriolet;
Vehicle Fitment Notes:
6-Pin Connector - Cable: 1240mm - with Fastening Material
6-Pin Connector - Cable: 1240mm - with Fastening Material
Oxygen Sensor - Front
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Sub-Model: Base;
Sub-Model: Base;
Vehicle Fitment Notes:
6-pin connector - Cable: 800mm
6-pin connector - Cable: 800mm
Air / Fuel Ratio Sensor - Upstream
$381.92
$146.05
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Vehicle Fitment Notes:
B1S1 OE Equivalent Design
B1S1 OE Equivalent Design
Air / Fuel Ratio Sensor - Upstream
$344.92
$181.32
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Vehicle Fitment Notes:
B1S1 OE Equivalent Design
B1S1 OE Equivalent Design
Air / Fuel Ratio Sensor - Upstream
$417.56
$296.34
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 2-3 Hours Monday Sep. 22nd
Pick-Up: Ready in 2-3 Hours Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: CAEB;
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
Air / Fuel Ratio Sensor - Upstream
$382.68
$204.37
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Engine Base: 2.0L 1984cc 121ci L4 (3.25x3.65; 82.5x92.8); Engine Designation: BWT;
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor