Emission Modules & Control Units for 2003 Audi A4 Quattro
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NTK OE Type Oxygen Sensor
NTK Oxygen Sensors
25605
NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s...
Positions: Downstream Left, Downstream Right
$99.75
Fits Your Vehicle
Denso Oxygen Sensor
Denso
234-4874
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision...
Positions: Downstream
$86.53
Fits Your Vehicle
Hella Oxygen Sensor
Hella
358066391
The proportion of electronics in vehicles has increased continuously in recent years. A development in which HELLA has long played a...
Positions: Rear Left, Rear Right
$65.85
Fits Your Vehicle
Walker Products 250-24689 Oxygen Sensor 4-W Direct Fit Narrow-Band
Walker Products Inc. -
250-24689
Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment...
Positions: Downstream Left, Downstream Right
$86.56
Fits Your Vehicle
Walker Products 250-25007 Oxygen Sensor 5-W Wide-Band
Walker Products Inc. -
250-25007
Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment...
Positions: Upstream Left, Upstream Right
$116.34
Fits Your Vehicle
Delphi Oxygen Sensor
DELPHI
ES20166
Delphi's ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We...
Positions: Rear Left, Rear Right
$94.81
Fits Your Vehicle
Hella Oxygen Sensor
Hella
358066401
The proportion of electronics in vehicles has increased continuously in recent years. A development in which HELLA has long played a...
Positions: Rear Right
Fits Your Vehicle
Walker Products 350-35015 Oxygen Sensor 5-W Wide-Band
Walker Products Inc. -
350-35015
Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment...
Positions: Upstream Left, Upstream Right
$118.57
Fits Your Vehicle
Delphi Oxygen Sensor
DELPHI
ES10920
Delphi's ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We...
Positions: Front
$148.39
Fits Your Vehicle
Facet Oxygen Sensor
FACET FUEL PUMPS
10.8247
Oxygen Sensor
Positions: Rear, Rear Left
Fits Your Vehicle
Walker Products 350-34207 Oxygen Sensor 4-W Direct Fit Narrow-Band
Walker Products Inc. -
350-34207
Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment...
Positions: Downstream Left, Downstream Right
$71.13
Fits Your Vehicle
Bosch Oxygen Sensor
Bosch
16978
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor...
Positions: Downstream
$76.61
Fits Your Vehicle
Bosch Oxygen Sensor
Bosch
15733
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor...
Positions: Downstream
Fits Your Vehicle
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