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NGK 25550 Oxygen Sensor


Brand:	NGK
Part Number:	25550
UPC:	00087295255506
Weight:	0.17 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

Get the NGK 25550 Oxygen Sensor for your vehicle. Buy now and secure your purchase online!

Select a vehicle to narrow NGK 25550 Oxygen Sensor fitment info!

Last Updated: 08/11/2024

Years

Vehicle

Per Vehicle

Position

Fit Notes

Fitment Notes

1999

1998

1999

1998

Audi A4

2.8L V6 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

Audi A4

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

1999

1998

1999

1998

Audi A4

2.8L V6 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Audi A4

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1999

1998

1997

1999

1998

1997

Audi A4

1.8L L4 Gas DOHC Turbo

1 Downstream

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Audi A4

1.8L L4 Gas DOHC Turbo

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

1997

Audi A4

2.8L V6 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design
Eng: AHA

Audi A4

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design
Eng: AHA

1 Per Vehicle

1997

Audi A4

2.8L V6 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
Eng: AHA

Audi A4

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
Eng: AHA

1 Per Vehicle

2000

Audi A4 Quattro

1.8L L4 Gas DOHC Turbo

1 Downstream

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design
Eng: AEB

Audi A4 Quattro

1.8L L4 Gas DOHC Turbo

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design
Eng: AEB

1 Per Vehicle

1999

1998

1999

1998

Audi A4 Quattro

2.8L V6 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

Audi A4 Quattro

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

1999

1998

1999

1998

Audi A4 Quattro

2.8L V6 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Audi A4 Quattro

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1999

1998

1997

1999

1998

1997

Audi A4 Quattro

1.8L L4 Gas DOHC Turbo

1 Downstream

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Audi A4 Quattro

1.8L L4 Gas DOHC Turbo

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

1999

Audi A6

2.8L V6 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

Audi A6

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

1999

Audi A6

2.8L V6 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Audi A6

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1998

Audi A6

2.8L V6 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

Audi A6

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

1 Per Vehicle

1998

Audi A6

2.8L V6 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

Audi A6

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

1 Per Vehicle

1999

Audi A6 Quattro

2.8L V6 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

Audi A6 Quattro

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

1999

Audi A6 Quattro

2.8L V6 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Audi A6 Quattro

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1998

Audi A6 Quattro

2.8L V6 Gas DOHC,
2.8L V6 Gas SOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

Audi A6 Quattro

2.8L V6 Gas DOHC,
2.8L V6 Gas SOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

1 Per Vehicle

1998

Audi A6 Quattro

2.8L V6 Gas DOHC,
2.8L V6 Gas SOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

Audi A6 Quattro

2.8L V6 Gas DOHC,
2.8L V6 Gas SOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

1 Per Vehicle

1999

1998

1997

1999

1998

1997

Audi A8

3.7L V8 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

Audi A8

3.7L V8 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

1999

1998

1997

1999

1998

1997

Audi A8

3.7L V8 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Audi A8

3.7L V8 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1999

1998

1997

1999

1998

1997

Audi A8 Quattro

4.2L V8 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

Audi A8 Quattro

4.2L V8 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

1999

1998

1997

1999

1998

1997

Audi A8 Quattro

4.2L V8 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Audi A8 Quattro

4.2L V8 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

2000

1999

2000

1999

Volkswagen EuroVan

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Volkswagen EuroVan

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1997

Volkswagen EuroVan

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Volkswagen EuroVan

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1999

Volkswagen Golf

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
AAA Eng
OE Equivalent Design

Volkswagen Golf

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
AAA Eng
OE Equivalent Design

1 Per Vehicle

1998

1997

1996

1995

1998

1997

1996

1995

Volkswagen Golf

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Volkswagen Golf

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1999

Volkswagen Jetta

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
Eng: AAA

Volkswagen Jetta

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
Eng: AAA

1 Per Vehicle

1998

1997

1998

1997

Volkswagen Jetta

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Volkswagen Jetta

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1996

Volkswagen Jetta

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
From Chassis # 1H-T-000 001

Volkswagen Jetta

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
From Chassis # 1H-T-000 001

1 Per Vehicle

1995

Volkswagen Jetta

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Volkswagen Jetta

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

2000

Volkswagen Passat

2.8L V6 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design
Eng: AHA

Volkswagen Passat

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design
Eng: AHA

1 Per Vehicle

2000

Volkswagen Passat

2.8L V6 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
Eng: AHA

Volkswagen Passat

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
Eng: AHA

1 Per Vehicle

1999

1998

1999

1998

Volkswagen Passat

1.8L L4 Gas DOHC Turbo

1 Downstream

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

Volkswagen Passat

1.8L L4 Gas DOHC Turbo

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

1999

1998

1999

1998

Volkswagen Passat

2.8L V6 Gas DOHC

1 Upstream Left (Driver)

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

Volkswagen Passat

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

1999

1998

1999

1998

Volkswagen Passat

2.8L V6 Gas DOHC

1 Upstream Right (Passenger)

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Volkswagen Passat

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1997

1996

1995

1997

1996

1995

Volkswagen Passat

2.8L V6 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Volkswagen Passat

2.8L V6 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

1996

Volkswagen Passat

2.0L L4 Gas SOHC

1 Upstream

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

Volkswagen Passat

2.0L L4 Gas SOHC

Upstream Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

NGK 25550 Oxygen Sensor

Product Information

Description:

Select a vehicle to narrow NGK 25550 Oxygen Sensor fitment info!

Audi A4 2.8L V6 Gas DOHC

1

Upstream Left (Driver)

Direct Fit Oxygen SensorB2S1 OE Equivalent Design

Audi A4

2.8L V6 Gas DOHC Upstream Left (Driver) Direct Fit Oxygen SensorB2S1 OE Equivalent Design 1 Per Vehicle

Audi A4 2.8L V6 Gas DOHC

1

Upstream Right (Passenger)

Direct Fit Oxygen SensorB1S1 OE Equivalent Design

Audi A4

2.8L V6 Gas DOHC Upstream Right (Passenger) Direct Fit Oxygen SensorB1S1 OE Equivalent Design 1 Per Vehicle

Audi A4 1.8L L4 Gas DOHC Turbo

1

Downstream

Direct Fit Oxygen SensorB1S2 OE Equivalent Design

Audi A4

1.8L L4 Gas DOHC Turbo Downstream Direct Fit Oxygen SensorB1S2 OE Equivalent Design 1 Per Vehicle

Audi A4 2.8L V6 Gas DOHC

1

Upstream Left (Driver)

Direct Fit Oxygen SensorB2S1 OE Equivalent DesignEng: AHA

Audi A4

2.8L V6 Gas DOHC Upstream Left (Driver) Direct Fit Oxygen SensorB2S1 OE Equivalent DesignEng: AHA 1 Per Vehicle

Audi A4 2.8L V6 Gas DOHC

1

Upstream Right (Passenger)

Direct Fit Oxygen SensorB1S1 OE Equivalent DesignEng: AHA

Audi A4

2.8L V6 Gas DOHC Upstream Right (Passenger) Direct Fit Oxygen SensorB1S1 OE Equivalent DesignEng: AHA 1 Per Vehicle

Audi A4 Quattro 1.8L L4 Gas DOHC Turbo

1

Downstream

Direct Fit Oxygen SensorB1S2 OE Equivalent DesignEng: AEB

Audi A4 Quattro

1.8L L4 Gas DOHC Turbo Downstream Direct Fit Oxygen SensorB1S2 OE Equivalent DesignEng: AEB 1 Per Vehicle

Audi A4 Quattro 2.8L V6 Gas DOHC

1

Upstream Left (Driver)

Direct Fit Oxygen SensorB2S1 OE Equivalent Design

Audi A4 Quattro

2.8L V6 Gas DOHC Upstream Left (Driver) Direct Fit Oxygen SensorB2S1 OE Equivalent Design 1 Per Vehicle

Audi A4 Quattro 2.8L V6 Gas DOHC

1

Upstream Right (Passenger)

Direct Fit Oxygen SensorB1S1 OE Equivalent Design

Audi A4 Quattro

2.8L V6 Gas DOHC Upstream Right (Passenger) Direct Fit Oxygen SensorB1S1 OE Equivalent Design 1 Per Vehicle

Audi A4 Quattro 1.8L L4 Gas DOHC Turbo

1

Downstream

Direct Fit Oxygen SensorB1S2 OE Equivalent Design

Audi A4 Quattro

1.8L L4 Gas DOHC Turbo Downstream Direct Fit Oxygen SensorB1S2 OE Equivalent Design 1 Per Vehicle

Audi A6 2.8L V6 Gas DOHC

1

Upstream Left (Driver)

Direct Fit Oxygen SensorB2S1 OE Equivalent Design

Audi A6

2.8L V6 Gas DOHC Upstream Left (Driver) Direct Fit Oxygen SensorB2S1 OE Equivalent Design 1 Per Vehicle

Audi A6 2.8L V6 Gas DOHC

1

Upstream Right (Passenger)

Direct Fit Oxygen SensorB1S1 OE Equivalent Design

Audi A6

2.8L V6 Gas DOHC Upstream Right (Passenger) Direct Fit Oxygen SensorB1S1 OE Equivalent Design 1 Per Vehicle

Audi A6 2.8L V6 Gas DOHC

1

Upstream Left (Driver)

Direct Fit Oxygen SensorOE Equivalent DesignFrom Serial # 4B-W-000 001

Audi A6

2.8L V6 Gas DOHC Upstream Left (Driver) Direct Fit Oxygen SensorOE Equivalent DesignFrom Serial # 4B-W-000 001 1 Per Vehicle

Audi A6 2.8L V6 Gas DOHC

1

Upstream Right (Passenger)

Direct Fit Oxygen SensorOE Equivalent DesignFrom Serial # 4B-W-000 001

Audi A4

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

Audi A4

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

Audi A4

1.8L L4 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1.8L L4 Gas DOHC Turbo

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

Audi A4

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design
Eng: AHA

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design
Eng: AHA

1 Per Vehicle

Audi A4

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
Eng: AHA

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design
Eng: AHA

1 Per Vehicle

Audi A4 Quattro

1.8L L4 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design
Eng: AEB

1.8L L4 Gas DOHC Turbo

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design
Eng: AEB

1 Per Vehicle

Audi A4 Quattro

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

Audi A4 Quattro

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

Audi A4 Quattro

1.8L L4 Gas DOHC Turbo

Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1.8L L4 Gas DOHC Turbo

Downstream Direct Fit Oxygen Sensor
B1S2
OE Equivalent Design

1 Per Vehicle

Audi A6

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

Audi A6

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

Audi A6

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

1 Per Vehicle

Audi A6

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

1 Per Vehicle

Audi A6 Quattro

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

2.8L V6 Gas DOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
B2S1
OE Equivalent Design

1 Per Vehicle

Audi A6 Quattro

2.8L V6 Gas DOHC

Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

2.8L V6 Gas DOHC

Upstream Right (Passenger) Direct Fit Oxygen Sensor
B1S1
OE Equivalent Design

1 Per Vehicle

Audi A6 Quattro

2.8L V6 Gas DOHC,
2.8L V6 Gas SOHC

Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

2.8L V6 Gas DOHC,
2.8L V6 Gas SOHC

Upstream Left (Driver) Direct Fit Oxygen Sensor
OE Equivalent Design
From Serial # 4B-W-000 001

1 Per Vehicle