DENSO Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 16.73", 234-8004
In stock
$143.99
Listed as compatible with this vehicle by the retailer feed.
Check price2021 Toyota Highlander Oxygen Sensors
6 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
DENSO Oxygen Sensor: 1 Wire, Direct Fit, Unheated, Wire Length: 10.43", 234-8072
In stock
$189.99
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: 21.26", 234-9307
In stock
$232.99
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: 16.34", 234-9304
In stock
$249.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Wideband Oxygen Sensor: Upstream, 4 Wire, 9.92" Long, Heated, Exact Fit, 234-9143
In stock
$253.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch Oxygen Sensor, 16576
In stock
$395.99
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.