GM Genuine Parts Secondary Air Injection Pump Check Valve Gasket, 12605172
In stock
$5.99
Listed as compatible with this vehicle by the retailer feed.
Check price2011 Buick Regal Oxygen Sensors
14 products listed as compatible with this vehicle by the retailer feed.
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.
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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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NTK Switching Oxygen Sensor: 4 Wire, 10.75" Long, Heated, Direct Fit, 21076
In stock
$77.99
Listed as compatible with this vehicle by the retailer feed.
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NTK Switching Oxygen Sensor: 4 Wire, 12.25" Long, Heated, Direct Fit, 21064
In stock
$86.99
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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GM Genuine Parts Heated Oxygen Sensor, 213-4772
In stock
$91.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Oxygen Sensor: 4 Wires, 320 mm Long, Heated, Exact Fit, 213-4580
In stock
$106.99
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, 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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GM Genuine Parts Secondary Air Injection Pump with Bracket, 215-704
In stock
$249.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Secondary Air Injection Check Valve Kit with Retainers and Bolts, 214-2150
In stock
$271.99
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.