Located After Secondary Catalytic Converter; w/ California Emissions
O.E. Quality Direct Fit Replacement Sensor
Alternative Fit 1
Exact Fit
B1S2
O.E. Quality Direct Fit Replacement Sensor
w/ Federal Emissions; w/ California Emissions
B2S2 OE MFR: NTK
B2S2 OE MFR: NTK
Grade: Aftermarket Description: 4 Cables / 300 mm To 05/26/2006
w/ California Emissions; Bank 1 Sensor 2; Located After Primary Catalyst;
B1S1
Located After Primary Converter with California Emissions System
B1S2
B1S1 OE MFR: NTK
B1S2
B1S2
O.E. Quality Universal Replacement Sensor
Calif-ESV
B1S1 OE MFR: NTK
Calif. O.E. Quality Universal Replacement Sensor
B1S1
O.E. Quality Direct Fit Replacement Sensor
Calif-ESV B1S2
B1S2
B1S2
Calif-ESV B1S3
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
Calif-ESV
Calif-ESV B1S2
B1S2 OE MFR: NTK
O.E. Quality Direct Fit Replacement Sensor
B1S2
B2S2 OE MFR: NTK
Calif-ESV B1S3
B1S2
O.E. Quality Direct Fit Replacement Sensor
Loc. After Secondary Catalyst; Calif. DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
B1S2
w/ California Emissions - After Main Converter
B1S2 OE MFR: NTK
Firewall Side
Radiator Side
Radiator Side
B1S2
Fits vehicles with the 2.5L engine. This is the front upper oxygen sensor for the emission system.
Condition: Excellent (A)
Mileage: 63,100 miles
Condition: Excellent (A)
Mileage: 66,400 miles
It is for the front upper position of the emission system.
Condition: Excellent (A)
Mileage: 47,800 miles
O.E. Quality Direct Fit Replacement Sensor
Firewall Side
B1S2 OE MFR: NTK
B2S2 OE MFR: NTK
B1S2
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
Rear Sensor; Located After Secondary Catalyst B1S3 Calif. Emissions OE Equivalent Design
w/ California Emissions - After Pre-Catalyst, Before Main Catalyst
O.E. Quality Direct Fit Replacement Sensor
Air-Fuel Ratio Sensor
w/ California Emissions w/ 4 Wires
Loc. After Secondary Catalyst; Calif. DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
Fits vehicles with the 2.5L engine. This is the front upper oxygen sensor for the emission system.
Condition: Excellent (A)
Mileage: 51,000 miles
Condition: Excellent (A)
Mileage: 45,200 miles
w/ California Emissions w/ 4 Wires
O.E. Quality Direct Fit Replacement Sensor
B1S1
B1S1
O.E. Quality Direct Fit Replacement Sensor
w/ California Emissions - After Pre-Catalyst, Before Main Catalyst
Rear Sensor; Located After Secondary Catalyst B1S3 Calif. Emissions OE Equivalent Design
Firewall Side
B1S2
B1S1
Air-Fuel Ratio Sensor
B1S2 OE MFR: NTK
B2S1 OE MFR: NTK
w/ California Emissions - After Main Converter
B1S1
B1S1
B1S1
Center Sensor; Located After Primary Catalyst B1S2 Calif. Emissions OE Equivalent Design
B1S1
Condition: Excellent (A)
Mileage: 22,000 miles
with California Emissions System
B1S1
B1S2 OE Equivalent Design
Radiator Side
Radiator Side
Firewall Side
B1S1
B1S1
Calif-ESV B1S1
Calif-ESV B1S1
B1S2 Calif. Emissions OE MFR: NTK
with California Emissions System
w/ California Emissions - After Main Converter
It is for the front emission lambda sensor.
Condition: Good (B)
Mileage: 86,500 miles
Condition: Good (B)
Mileage: 82,400 miles
Calif-ESV B1S1
Calif-ESV B1S1
Condition: Excellent (A)
Mileage: 21,000 miles
It fits the emission system.
Condition: Excellent (A)
Mileage: 47,300 miles
It comes with a 1-year standard warranty.
Condition: Excellent (A)
Mileage: 58,200 miles
Radiator Side
Condition: Excellent (A)
Mileage: 54,900 miles
Radiator Side
without California Emissions System
w/ California Emissions
w/ California Emissions
It fits vehicles with the 2.5L engine. It is for the front upper air fuel ratio lambda oxygen sensor position.
Condition: Excellent (A)
Mileage: 50,900 miles
Browse our selection of quality oxygen sensor parts designed specifically for your Mazda 6. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Carbon Edition · GS · GS-L · GT · GX · Grand Touring · Grand Touring Reserve · I Sport · Kuro Edition · Mazdaspeed · S · Signature · Sport · Touring · i · i Grand Touring · i Grand Touring Plus
Hatchback · Sedan · Wagon
L4 2.3L · L4 2.5L · V6 3.0L · V6 3.7L
Automatic · Manual
