Emission Systems for 2001 Audi A4
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Secondary Air Injection Pump
Dorman
306-029
This secondary air injection pump is designed to match the fit and function of the original pump on specified applications. Made of...
Fits Your Vehicle
Oxygen Sensor
DELPHI
ES20164
Delphi's ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We...
Positions: Front, Rear Left, Rear Right
Fits Your Vehicle
Secondary A.I.R. Combination Valve
Dorman
911-983
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
Fits Your Vehicle
30 AMP 12 Volt 4 Pin Universal Relay
Dorman
84601
This relay connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality...
$7.96
Fits Your Vehicle
Evaporative Emissions Purge Solenoid Valve
Dorman
911-800
Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original...
$40.27
Fits Your Vehicle
Multi-Purpose Wire Connector
ACDelco
PT2164
ACDelco Gold (Professional) Air Charge Temperature Sensor Connector are a high quality alternative to Original Equipment (OE) parts....
$7.36
Fits Your Vehicle
Oxygen Sensor
DELPHI
ES20160
Delphi's ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We...
Positions: Front, Rear Left, Rear Right
Fits Your Vehicle
Crankcase Breather Tube
Dorman
46067
Proper crankcase ventilation is key to smooth performance and engine longevity. Made from quality materials to resist cracking and...
$34.21
Fits Your Vehicle
Hose, crankcase breather
Vaico
V10-0737
Positions: Pressure Regulator To Intake Manifold
$24.19
Fits Your Vehicle
Crankcase Breather Tube
Dorman
46068
Proper crankcase ventilation is key to smooth performance and engine longevity. Made from quality materials to resist cracking and...
$33.95
Fits Your Vehicle
Oxygen Sensor 4 Wire, Direct Fit, Heated, Wire Length: 66.54
Denso
234-4812
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision...
Positions: Downstream, Upstream
Fits Your Vehicle
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