NTK Switching Oxygen Sensor: 4 Wire, 16.25" Long, Heated, Direct Fit, 21069
In stock
$69.99
Listed as compatible with this vehicle by the retailer feed.
Check price2016 Buick Regal Oxygen Sensors
14 products listed as compatible with this vehicle by the retailer feed.
DENSO Oxygen Sensor: 4 Wire, 21.65" Long, Heated, Exact Fit, 234-4673
In stock
$74.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Oxygen Sensor: Downstream, 4 Wire, 16.38" Long, Heated, Exact Fit, 234-4526
In stock
$76.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Oxygen Sensor: Upstream, 4 Wire, 15.04" Long, Heated, Exact Fit, 234-4763
In stock
$83.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 15.04", 234-8080
In stock
$85.99
Listed as compatible with this vehicle by the retailer feed.
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NTK Switching Oxygen Sensor: 4 Wire, 18.5" Long, Heated, Direct Fit, 21555
In stock
$89.99
Listed as compatible with this vehicle by the retailer feed.
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NTK Switching Oxygen Sensor: 4 Wire, 14.75" Long, Heated, Direct Fit, 21579
In stock
$92.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Heated Oxygen Sensor, 12643707
In stock
$95.99
Listed as compatible with this vehicle by the retailer feed.
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NTK Switching Oxygen Sensor: 4 Wire, 12" Long, Heated, Direct Fit, 21071
In stock
$99.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Vacuum Pump, 12686657
In stock
$109.99
Listed as compatible with this vehicle by the retailer feed.
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Bosch Oxygen Sensor: 4 Wire, 19.88" Long, Heated, Exact Fit, 15283
In stock
$119.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Heated Oxygen Sensor, 12661898
In stock
$121.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Heated Oxygen Sensor, 213-4299
In stock
$155.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Heated Oxygen Sensor, 12656543
In stock
$166.99
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.