Carquest New Mass Air Flow Sensor - Complete Assembly, MQ7400
In stock
$121.99
Listed as compatible with this vehicle by the retailer feed.
Check price2009 Audi A4 Sensors
39 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Carquest ABS Wheel Speed Sensor, ARA2267
In stock
$122.99
Listed as compatible with this vehicle by the retailer feed.
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Delphi Engine Crankshaft Position Sensor, SS10811
In stock
$141.99
Listed as compatible with this vehicle by the retailer feed.
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Delphi Mass Air Flow Sensor, AF10480
In stock
$154.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Diverter Valve, GAC1166
In stock
$156.99
Listed as compatible with this vehicle by the retailer feed.
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Hitachi Mass Air Flow Sensor, MAF0010
In stock
$165.99
Listed as compatible with this vehicle by the retailer feed.
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Delphi Mass Air Flow Sensor, AF10144
In stock
$193.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Engine Oil Level Sensor, LAC1024
In stock
$194.99
Listed as compatible with this vehicle by the retailer feed.
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Hitachi Mass Air Flow Sensor, MAF0116
In stock
$196.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Engine Oil Separator, ZAN1007
In stock
$234.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch Pressure Sensor, 0261230266
In stock
$32.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch Pressure Sensor, 0261230208
In stock
$39.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch Knock Sensor, 0261231146
In stock
$63.99
Listed as compatible with this vehicle by the retailer feed.
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Huf North America Direct-Fit 315MHz OE Quality TPMS Sensor for Audi, Volkswagen, RDE099V21
In stock
$63.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest ABS Wheel Speed Sensor, ARA2268
Out of stock
$107.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.