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Emission Systems for 2002 Audi A4 Quattro

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600027 - Accessories: Fuel Pump Relay for ROSTRA Image

Fuel Pump Relay

ROSTRA 60-0027
Fuel Pump Relay
$5.83
Fits Your Vehicle
S745 - Accessories: Barometric Pressure Sensor Connector for SMP CORP Image

Barometric Pressure Sensor Connector

SMP CORP S-745
Barometric Pressure Sensor Connector Barometric Pressure Sensor Connector Barometric Pressure Sensor Pigtail Connector Connectors Pigtail...
$18.59
Fits Your Vehicle
V10760015 - Emission Systems: Oxygen Sensor for VEMO Image

Oxygen Sensor

Oxygen Sensor
Positions: Rear Left
$62.67
Fits Your Vehicle
911970 - Emission Systems: Combination Valve for Dorman Image

Combination Valve

Dorman 911-970
This secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles, and is...
Positions: Left
Out of Stock
Fits Your Vehicle
58103493A - Emission Systems: URO Parts Engine Crankcase Breather Hose for URO Image

URO Parts Engine Crankcase Breather Hose

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$10.02
Fits Your Vehicle
4008053 - Emission Systems: VNE Automotive Vacuum Check Valve for VNE Image

VNE Automotive Vacuum Check Valve

VNE 4008053
OE Supplier Vacuum Check Valve
$26.21
Fits Your Vehicle
25025007 - Emission Systems: Walker Products 250-25007 Oxygen Sensor 5-W Wide-Band for Walker Products Inc. - Image

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
1813322 - Emission Systems: Mass Air Flow Sensor Assembly for GLOBAL PARTS DISTRIBUTORS Image

Mass Air Flow Sensor Assembly

GLOBAL PARTS DISTRIBUTORS 1813322
The Mass Air Flow sensor is an important component of an internal combustion engine's intake system. It measures the amount and density...
Not For Sale
Fits Your Vehicle
S2324 - Air Intake & Fuel Delivery: Oxygen Sensor Connector for SMP CORP Image

Oxygen Sensor Connector

SMP CORP S2324
Oxygen Sensor Connector Connector Connectors Oxygen Sensor Connector Oxygen Sensor Pigtail Pigtail Pigtails
Out of Stock
Fits Your Vehicle
667108 - Air Intake & Fuel Delivery: Intake Manifold Runner Solenoid Replaces VW 37906283 for Dorman Image

Intake Manifold Runner Solenoid Replaces VW 37906283

Dorman 667-108
This engine intake manifold runner solenoid is designed to match the fit and function of the original solenoid on specified vehicles, and...
$107.54
Fits Your Vehicle
V10630057 - Emission Systems: Secondary Air Injection Pump for VEMO Image

Secondary Air Injection Pump

Secondary Air Injection Pump
$161.04
Fits Your Vehicle
58103221E - Emission Systems: URO Parts Engine Crankcase Breather Hose for URO Image

URO Parts Engine Crankcase Breather Hose

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$25.10
Fits Your Vehicle
37906283C - Emission Systems: URO Parts Vacuum Control Valve for URO Image

URO Parts Vacuum Control Valve

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$30.45
Fits Your Vehicle
911971 - Emission Systems: Secondary A.I.R. Combination Valve for Dorman Image

Secondary A.I.R. Combination Valve

Dorman 911-971
This secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles, and is...
Positions: Right
Not For Sale
Fits Your Vehicle
1168000378 - Emission Systems: URO Parts Vacuum Check Valve for URO Image

URO Parts Vacuum Check Valve

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$4.86
Fits Your Vehicle
ES20166 - Emission Systems: Delphi Oxygen Sensor for DELPHI Image

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
RY255 - Accessories: A/C Relay for SMP CORP Image

A/C Relay

SMP CORP RY-255
A/C Relay A/C Relay Relay Relays
$4.42
Fits Your Vehicle

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