What are the differences in oxygen sensor configurations, and how do they function in relation to the ECM and air/fuel ratio on Volkswagen Passat?

The four-cylinder models are fitted with two oxygen sensors, each pre-converter and post-converter, V6 models fitted with four each. The sensor elements interact with the oxygen in the exhaust to produce varying voltage output to a lean mixture of 0.1 volt to a rich mixture of 0.9 volt. The pre-converter sensor, which occurs in the front of the catalytic converter, provides feedback to the ECM about the oxygen concentration in the exhaust and thus it allows it to regulate the pulse width of the fuel injector and keep the air/fuel ratio at an optimal level at 14.7:1, resulting in optimal emissions, fuel economy and performance. The post-converter sensor, which follows the catalytic converter, has no effect on the air/fuel ratio, but assists the ECM in detecting efficiency of the catalytic converter by generating a slower changing voltage signal. The oxygen sensor does not produce a voltage until it reaches around 600-degrees F when the ECM will switch to an open-loop fuel control mode and depend upon other sensor inputs instead. The correct functioning of sensors needs proper electrical connections, free air circulation, right operating temperature, and usage of unleaded fuel. The ECM is able to detect different oxygen sensor faults and program diagnostic trouble codes and revert to open-loop control when defects arise. It is recommended to warm the engine a little to ease the removal of sensors and to take caution not to get burnt. In changing a sensor, the permanently attached pigtail and electrical connector are to be left in place and contaminants should be avoided in the connector and sensor end. The solvents are not to be cleaned and the sensor must be handled delicately. To replace the sensor which is of the pre-converter type, an opening is first achieved by removing the required parts, and to replace the sensor that is of the post-converting type, the vehicle should be placed safely on jackstands. Electrical connector is to be disconnected, and the sensor could be disassembled with the help of appropriate wrench or special socket. To ensure that the sensor threads could later be removed easily, one should apply an anti-seize compound to the thread, and then the sensor should be installed and firmly tightened after which the electrical connector has to be reconnected and the removal procedure should be followed in reverse.

Genuine Volkswagen Passat Oxygen Sensor

Oxygen O2 Sensor

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29 Oxygen Sensors found

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Volkswagen Passat Oxygen Sensor Part Number: 1K0-998-262-AE
$148.74 MSRP: $208.32
You Save: $59.58 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oxygen Sensor Kit
- Replaces: 03L-906-262-C, 07Z-906-262-F, 06A-906-262-DE, 07Z-906-262-G, 07Z-906-262-E, 07Z-906-262-D, 03G-906-262
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2004-2005 Volkswagen Passat | GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL
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Volkswagen Passat Oxygen Sensor Part Number: 021-906-265-AL
$147.14 MSRP: $206.08
You Save: $58.94 (29%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1998-2001 Volkswagen Passat | GLS | 4 Cyl 1.8 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 022-906-262-CC
$154.70 MSRP: $216.67
You Save: $61.97 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Position: Right
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2006-2007 Volkswagen Passat | 3.6 | 6 Cyl 3.6 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 078-906-265-F
$157.08 MSRP: $220.00
You Save: $62.92 (29%)
ADD TO CART
Product Specifications
- Position: Left
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1998-2001 Volkswagen Passat | 4 Motion, GLS, GLS 4 Motion, GLX, GLX 4 Motion | 6 Cyl 2.8 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 06K-906-262-CE
$209.43 MSRP: $293.32
You Save: $83.89 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Lower Oxygen Sensor, Rear Oxygen Sensor
- Replaces: 06K-906-262-E
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2014-2022 Volkswagen Passat | Limited Edition, R-Line, S, SE, SE R-Line, SEL, SEL Premium, Sport, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 021-906-265-AG
$174.93 MSRP: $245.00
You Save: $70.07 (29%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1998-1999 Volkswagen Passat | GLS | 4 Cyl 1.8 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 021-906-265-AK
$185.64 MSRP: $260.00
You Save: $74.36 (29%)
ADD TO CART
Product Specifications
- Other Name: Front Oxygen Sensor
- Replaces: 021-906-265-AD, 021-906-265-AF, 037-906-265-AB, 077-906-265-D, 078-906-265-L
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1998-2001 Volkswagen Passat | 4 Motion, GLS, GLS 4 Motion, GLX, GLX 4 Motion | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 1K0-998-262-T
$247.04 MSRP: $337.48
You Save: $90.44 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor Kit; Rear Oxygen Sensor
- Position: Right
- Replaces: 06J-906-262-K, 06J-906-262-N, 06F-906-262-AE, 06F-906-262-P, 06A-906-262-CL
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2012-2014, 2006-2010 Volkswagen Passat | 2.0T, Komfort, Lux, S, SE, SEL, SEL Premium, Turbo, Value Edition, Wolfsburg Edition | 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 022-906-262-BR
$250.09 MSRP: $341.65
You Save: $91.56 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rear Oxygen Sensor
- Position: Right
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2006-2008 Volkswagen Passat | 3.6, VR6 | 6 Cyl 3.6 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 078-906-265-G
$203.79 MSRP: $285.42
You Save: $81.63 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Position: Right
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1998-2001 Volkswagen Passat | 4 Motion, GLS, GLS 4 Motion, GLX, GLX 4 Motion | 6 Cyl 2.8 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 022-906-262-BS
$259.24 MSRP: $354.15
You Save: $94.91 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rear Oxygen Sensor
- Position: Left
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2006-2008 Volkswagen Passat | 3.6, VR6 | 6 Cyl 3.6 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 1K0-998-262-B
$262.29 MSRP: $358.32
You Save: $96.03 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor Kit; Rear Oxygen Sensor
- Replaces: 07C-906-262-AE, 07C-906-262-A, 07C-906-262-AH, 07C-906-262-P, 07C-906-262-AF, 07C-906-262-H, 022-906-262-BH, 022-906-262-S, 022-906-262-L, 022-906-262-AH, 07D-906-262-A, 07D-906-262-B, 07D-906-262-E, 07C-906-262-M
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2002-2004 Volkswagen Passat | W8 | 8 Cyl 4.0 L GAS
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Volkswagen Passat Oxygen Sensor Part Number: 1K0-998-262-S
$265.34 MSRP: $362.48
You Save: $97.14 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor Kit; Oxygen Sensor
- Position: Rear
- Replaces: 079-906-265-F, 022-906-262-AG, 022-906-262-AP, 022-906-262-CE, 079-906-265-D
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2006-2008 Volkswagen Passat | 3.6, VR6 | 6 Cyl 3.6 L GAS
View related parts
Volkswagen Passat Oxygen Sensor Part Number: 1K0-998-262
$274.49 MSRP: $374.98
You Save: $100.49 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor Kit; Front Oxygen Sensor, Rear Oxygen Sensor
- Replaces: 077-906-262-B, 077-906-262-C, 021-906-262-C, 023-906-262, 06A-906-262-AK, 06A-906-265-M, 06C-906-265-E, 06A-906-262-BA, 06C-906-265-A, 06C-906-265, 077-906-265-AD, 06A-906-262-Q, 06A-906-262-AG, 058-906-265-B, 058-906-265-C, 077-906-265-AE, 06A-906-262-AL
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2001-2005 Volkswagen Passat | GL, GLS, GLS 4 Motion | 4 Cyl 1.8 L GAS
View related parts
Volkswagen Passat Oxygen Sensor Part Number: 1K0-998-262-AB
$274.49 MSRP: $374.98
You Save: $100.49 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor Kit; Oxygen Sensor, Rear Oxygen Sensor
- Position: Front
- Replaces: 077-906-265-L, 077-906-265-R, 077-906-265-H, 078-906-265-P, 077-906-265-AF, 078-906-265-M, 077-906-265-K, 078-906-265-N
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2001-2005 Volkswagen Passat | GL, GLS, GLS 4 Motion, GLX, GLX 4 Motion | 6 Cyl 2.8 L GAS
View related parts
Volkswagen Passat Oxygen Sensor Part Number: 1K0-998-262-C
$274.49 MSRP: $374.98
You Save: $100.49 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor Kit; Oxygen Sensor
- Position: Rear
- Replaces: 022-906-262-AQ, 022-906-262-BJ, 079-906-262-H, 079-906-265, 079-906-262-G, 079-906-265-A
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2012-2018, 2006-2008 Volkswagen Passat | 3.6, GT, SE, SEL Premium, VR6 | 6 Cyl 3.6 L GAS
View related parts
Volkswagen Passat Oxygen Sensor Part Number: 1K0-998-262-E
$274.49 MSRP: $374.98
You Save: $100.49 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor Kit; Rear Oxygen Sensor
- Replaces: 06F-906-265, 022-906-262-CB, 022-906-262-BT, 06J-906-262-J, 06D-906-265, 06J-906-262-C
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2012-2014 Volkswagen Passat | S, SE, SEL, SEL Premium, Wolfsburg Edition | 5 Cyl 2.5 L GAS
View related parts
Volkswagen Passat Oxygen Sensor Part Number: 06K-906-262-DA
$308.04 MSRP: $420.82
You Save: $112.78 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Front Oxygen Sensor, Oxygen Sensor
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2014-2017 Volkswagen Passat | Limited Edition, R-Line, S, SE, SEL, SEL Premium, Sport, Wolfsburg Edition | 4 Cyl 1.8 L GAS
View related parts
Volkswagen Passat Oxygen Sensor Part Number: 06K-906-262-CR
$308.04 MSRP: $420.82
You Save: $112.78 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2018-2022 Volkswagen Passat | Limited Edition, R-Line, S, SE, SE R-Line, SEL, SEL Premium, Wolfsburg Edition | 4 Cyl 2.0 L GAS
View related parts
Volkswagen Passat Oxygen Sensor Part Number: 022-906-262-AM
$326.34 MSRP: $445.82
You Save: $119.48 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Position: Right
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2006-2008 Volkswagen Passat | 3.6, VR6 | 6 Cyl 3.6 L GAS

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1-20 of 29 Results

Volkswagen Passat Oxygen Sensor

The Volkswagen Passat Oxygen Sensor constantly measures the amount of unburned oxygen exiting the exhaust, allowing the engine control unit to adjust the duration of the injector pulse to ensure the catalytic converter remains effective and emissions remain low. The Oxygen Sensor core is a zirconium dioxide tip covered on both ends with platinum and encased in a steel shell that can be screwed into the exhaust stream, with small holes that open the tip to hot gases and holes that open to fresh air. As the heater increases the tip temperature to approximately 600 degrees Fahrenheit, oxygen ions between the platinum layers cause a voltage that swings from about 0.1 volts when the fuel is lean to 0.9 volts when the mixture is rich, data the computer reads at different intervals each second. In late model Volkswagen vehicles, there is an upstream sensor in front of the catalyst and a downstream unit that checks the health of the converter; the former constantly cycles voltage, and the latter should be about 0.45 volts, assuming the converter is functioning well. Silicates, oil ash, or carbon may foul an Oxygen Sensor in the long run, causing the rich default mixture that wastes fuel and triggers the check engine lamp. More recently, Volkswagen models have occasionally replaced the narrow-band design with a wide-band Oxygen Sensor that also measures the mixture by current flow rather than voltage, providing better data but being susceptible to the same contamination. Any driver of a Volkswagen enjoys the advantage of replacing a worn-out sensor in time to maintain a clean Passat that will run economically.

Choose OEM Oxygen Sensor for superior quality and long-lasting durability. They match the Volkswagen's factory specifications exactly and pass strict quality control. If you plan to replace Oxygen Sensor on your Passat, put OEM at the top of your list. You'll get the right fit, reliable performance, and peace of mind. We stock an extensive inventory of genuine Volkswagen Passat parts. It is easy to find what you need. You will love our competitive prices that help you save. No more hassle with returns or guesswork. Every part includes a warranty straight from the manufacturer. Get trusted quality, strong durability, and real value today.

Volkswagen Passat Oxygen Sensor Parts and Q&A

Oxygen Sensor
021-906-265-AG
Q: What are the differences in oxygen sensor configurations, and how do they function in relation to the ECM and air/fuel ratio on Volkswagen Passat?
A:
The four-cylinder models are fitted with two oxygen sensors, each pre-converter and post-converter, V6 models fitted with four each. The sensor elements interact with the oxygen in the exhaust to produce varying voltage output to a lean mixture of 0.1 volt to a rich mixture of 0.9 volt. The pre-converter sensor, which occurs in the front of the Catalytic Converter, provides feedback to the ECM about the oxygen concentration in the exhaust and thus it allows it to regulate the pulse width of the fuel injector and keep the air/fuel ratio at an optimal level at 14.7:1, resulting in optimal emissions, fuel economy and performance. The post-converter sensor, which follows the catalytic converter, has no effect on the air/fuel ratio, but assists the ECM in detecting efficiency of the catalytic converter by generating a slower changing voltage signal. The oxygen sensor does not produce a voltage until it reaches around 600-degrees F when the ECM will switch to an open-loop fuel control mode and depend upon other sensor inputs instead. The correct functioning of sensors needs proper electrical connections, free air circulation, right operating temperature, and usage of unleaded fuel. The ECM is able to detect different oxygen sensor faults and program diagnostic trouble codes and revert to open-loop control when defects arise. It is recommended to warm the engine a little to ease the removal of sensors and to take caution not to get burnt. In changing a sensor, the permanently attached pigtail and electrical connector are to be left in place and contaminants should be avoided in the connector and sensor end. The solvents are not to be cleaned and the sensor must be handled delicately. To replace the sensor which is of the pre-converter type, an opening is first achieved by removing the required parts, and to replace the sensor that is of the post-converting type, the vehicle should be placed safely on jackstands. Electrical connector is to be disconnected, and the sensor could be disassembled with the help of appropriate wrench or special socket. To ensure that the sensor threads could later be removed easily, one should apply an anti-seize compound to the thread, and then the sensor should be installed and firmly tightened after which the electrical connector has to be reconnected and the removal procedure should be followed in reverse.