NTK Switching Oxygen Sensor: 4 Wire, 17.75" Long, Heated, Direct Fit, 25764
In stock
$163.99
Listed as compatible with this vehicle by the retailer feed.
Check price2020 Audi A4 Oxygen Sensors
5 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
DENSO Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 20.47", 234-8062
In stock
$168.99
Listed as compatible with this vehicle by the retailer feed.
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NTK Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 11" Long, Heated, Direct Fit, 27052
In stock
$182.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 14.96", 234-5736
In stock
$188.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 22.83", 234-5738
In stock
$227.99
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.