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NGK 25621 Oxygen Sensor


Brand:	NGK
Part Number:	25621
UPC:	00087295256213
Weight:	0.2 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

Get the NGK 25621 Oxygen Sensor for your vehicle. Buy now and secure your purchase online!

Select a vehicle to narrow NGK 25621 Oxygen Sensor fitment info!

Last Updated: 08/11/2024

Years

Vehicle

Per Vehicle

Position

Fit Notes

Fitment Notes

2004

2003

2002

2004

2003

2002

Audi A6 Quattro

2.7L V6 Gas DOHC Turbo

1 Downstream Left (Driver)

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

Audi A6 Quattro

2.7L V6 Gas DOHC Turbo

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

2004

2003

2002

2004

2003

2002

Audi A6 Quattro

2.7L V6 Gas DOHC Turbo

1 Downstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Audi A6 Quattro

2.7L V6 Gas DOHC Turbo

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

2009

2008

2007

2006

2005

2009

2008

2007

2006

2005

Audi A8 Quattro

6.0L W12 Gas DOHC

1 Downstream

Direct Fit Oxygen Sensor
Cyls. 1-3
B1S2
OE Equivalent Design

Audi A8 Quattro

6.0L W12 Gas DOHC

Downstream Direct Fit Oxygen Sensor
Cyls. 1-3
B1S2
OE Equivalent Design

1 Per Vehicle

2005

2004

2005

2004

Audi Allroad Quattro

4.2L V8 Gas DOHC

1 Downstream Left (Driver)

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

Audi Allroad Quattro

4.2L V8 Gas DOHC

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

2005

2004

2005

2004

Audi Allroad Quattro

4.2L V8 Gas DOHC

1 Downstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Audi Allroad Quattro

4.2L V8 Gas DOHC

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

2005

2004

2003

2002

2005

2004

2003

2002

Audi Allroad Quattro

2.7L V6 Gas DOHC Turbo

1 Downstream Left (Driver)

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

Audi Allroad Quattro

2.7L V6 Gas DOHC Turbo

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

2005

2004

2003

2002

2005

2004

2003

2002

Audi Allroad Quattro

2.7L V6 Gas DOHC Turbo

1 Downstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Audi Allroad Quattro

2.7L V6 Gas DOHC Turbo

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2009

2008

2007

2006

2005

2004

Audi S4

4.2L V8 Gas DOHC

1 Downstream Left (Driver)

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

Audi S4

4.2L V8 Gas DOHC

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

2009

2008

2007

2006

2005

2004

2009

2008

2007

2006

2005

2004

Audi S4

4.2L V8 Gas DOHC

1 Downstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Audi S4

4.2L V8 Gas DOHC

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

2003

Bentley Continental

6.0L W12 Gas DOHC Turbo

1 Downstream Left (Driver)

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

Bentley Continental

6.0L W12 Gas DOHC Turbo

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

2003

Bentley Continental

6.0L W12 Gas DOHC Turbo

1 Downstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Bentley Continental

6.0L W12 Gas DOHC Turbo

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

2002

2001

2000

2002

2001

2000

Volkswagen Cabrio

2.0L L4 Gas SOHC

1 Downstream

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Volkswagen Cabrio

2.0L L4 Gas SOHC

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

2003

2002

2001

2003

2002

2001

Volkswagen EuroVan

2.8L V6 Gas DOHC

1 Downstream

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Volkswagen EuroVan

2.8L V6 Gas DOHC

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

2004

Volkswagen R32

3.2L V6 Gas DOHC

1 Downstream Left (Driver)

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

Volkswagen R32

3.2L V6 Gas DOHC

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

2006

2005

2004

2006

2005

2004

Volkswagen Touareg

4.2L V8 Gas DOHC

1 Downstream Left (Driver)

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

Volkswagen Touareg

4.2L V8 Gas DOHC

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

NGK 25621 Oxygen Sensor

Product Information

Description:

Select a vehicle to narrow NGK 25621 Oxygen Sensor fitment info!

Audi A6 Quattro 2.7L V6 Gas DOHC Turbo

1

Downstream Left (Driver)

Direct Fit Oxygen SensorB2S2 OE Equivalent Design

Audi A6 Quattro

2.7L V6 Gas DOHC Turbo Downstream Left (Driver) Direct Fit Oxygen SensorB2S2 OE Equivalent Design 1 Per Vehicle

Audi A6 Quattro 2.7L V6 Gas DOHC Turbo

1

Downstream Right (Passenger)

Direct Fit Oxygen SensorB1S2 OE Equivalent Design

Audi A6 Quattro

2.7L V6 Gas DOHC Turbo Downstream Right (Passenger) Direct Fit Oxygen SensorB1S2 OE Equivalent Design 1 Per Vehicle

Audi A8 Quattro 6.0L W12 Gas DOHC

1

Downstream

Direct Fit Oxygen SensorCyls. 1-3 B1S2 OE Equivalent Design

Audi A8 Quattro

6.0L W12 Gas DOHC Downstream Direct Fit Oxygen SensorCyls. 1-3 B1S2 OE Equivalent Design 1 Per Vehicle

Audi Allroad Quattro 4.2L V8 Gas DOHC

1

Downstream Left (Driver)

Direct Fit Oxygen SensorB2S2 OE Equivalent Design

Audi Allroad Quattro

4.2L V8 Gas DOHC Downstream Left (Driver) Direct Fit Oxygen SensorB2S2 OE Equivalent Design 1 Per Vehicle

Audi Allroad Quattro 4.2L V8 Gas DOHC

1

Downstream Right (Passenger)

Direct Fit Oxygen SensorB1S2 OE Equivalent Design

Audi Allroad Quattro

4.2L V8 Gas DOHC Downstream Right (Passenger) Direct Fit Oxygen SensorB1S2 OE Equivalent Design 1 Per Vehicle

Audi Allroad Quattro 2.7L V6 Gas DOHC Turbo

1

Downstream Left (Driver)

Direct Fit Oxygen SensorB2S2 OE Equivalent Design

Audi Allroad Quattro

2.7L V6 Gas DOHC Turbo Downstream Left (Driver) Direct Fit Oxygen SensorB2S2 OE Equivalent Design 1 Per Vehicle

Audi Allroad Quattro 2.7L V6 Gas DOHC Turbo

1

Downstream Right (Passenger)

Direct Fit Oxygen SensorB1S2 OE Equivalent Design

Audi Allroad Quattro

2.7L V6 Gas DOHC Turbo Downstream Right (Passenger) Direct Fit Oxygen SensorB1S2 OE Equivalent Design 1 Per Vehicle

Audi S4 4.2L V8 Gas DOHC

1

Downstream Left (Driver)

Direct Fit Oxygen SensorB2S2 OE Equivalent Design

Audi S4

4.2L V8 Gas DOHC Downstream Left (Driver) Direct Fit Oxygen SensorB2S2 OE Equivalent Design 1 Per Vehicle

Audi S4 4.2L V8 Gas DOHC

1

Downstream Right (Passenger)

Direct Fit Oxygen SensorB1S2 OE Equivalent Design

Audi S4

4.2L V8 Gas DOHC Downstream Right (Passenger) Direct Fit Oxygen SensorB1S2 OE Equivalent Design 1 Per Vehicle

Bentley Continental 6.0L W12 Gas DOHC Turbo

1

Downstream Left (Driver)

Direct Fit Oxygen SensorB2S2 OE Equivalent Design

Bentley Continental

6.0L W12 Gas DOHC Turbo Downstream Left (Driver) Direct Fit Oxygen SensorB2S2 OE Equivalent Design 1 Per Vehicle

Bentley Continental 6.0L W12 Gas DOHC Turbo

1

Downstream Right (Passenger)

Direct Fit Oxygen SensorB1S2 OE Equivalent Design

Bentley Continental

6.0L W12 Gas DOHC Turbo Downstream Right (Passenger) Direct Fit Oxygen SensorB1S2 OE Equivalent Design 1 Per Vehicle

Audi A6 Quattro

2.7L V6 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

2.7L V6 Gas DOHC Turbo

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

Audi A6 Quattro

2.7L V6 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

2.7L V6 Gas DOHC Turbo

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

Audi A8 Quattro

6.0L W12 Gas DOHC

Direct Fit Oxygen Sensor
Cyls. 1-3
B1S2
OE Equivalent Design

6.0L W12 Gas DOHC

Downstream Direct Fit Oxygen Sensor
Cyls. 1-3
B1S2
OE Equivalent Design

1 Per Vehicle

Audi Allroad Quattro

4.2L V8 Gas DOHC

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

4.2L V8 Gas DOHC

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

Audi Allroad Quattro

4.2L V8 Gas DOHC

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

4.2L V8 Gas DOHC

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

Audi Allroad Quattro

2.7L V6 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

2.7L V6 Gas DOHC Turbo

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

Audi Allroad Quattro

2.7L V6 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

2.7L V6 Gas DOHC Turbo

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

Audi S4

4.2L V8 Gas DOHC

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

4.2L V8 Gas DOHC

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

Audi S4

4.2L V8 Gas DOHC

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

4.2L V8 Gas DOHC

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

Bentley Continental

6.0L W12 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

6.0L W12 Gas DOHC Turbo

Downstream Left (Driver) Direct Fit Oxygen Sensor
B2S2
OE Equivalent Design

1 Per Vehicle

Bentley Continental

6.0L W12 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

6.0L W12 Gas DOHC Turbo

Downstream Right (Passenger) Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle