| Country of Origin | Japan |
|---|---|
| Brand | DENSO |
| Sensor Type | Oxygen Sensor |
| Number of Sensors | 1 |
| Placement on Vehicle | Engine Compartment |
| Features | Direct Fit |
| Terminal Type | Blade & Bullet |
| Manufacturer Part Number | 234-4673 |
| OE/OEM Part Number | 234-4673 |
| Manufacturer Warranty | 1 Year |
| Universal Fitment | Yes |
| Material | Metal |
| Mounting Style | Screw-In |
| Performance Part | Yes |
| Vintage Part | Yes |
| Interchange Part Number | NTK BOSCH OEM Replacement |
| Type | Oxygen Sensor |
| Warranty | 1 Year |
| Fitment Type | Direct Replacement |
| Other Part Number | Denso Oxygen Sensor, NTK Oxygen Sensor |
| Number of Pieces | 1 |
Check the listing for details. Denso Upstream Oxygen Sensor for 2011-2013 BUICK REGAL L4-2.0L. Condition: New, Made in Japan. Listed at 50.75 USD. The DENSO Oxygen Sensor, also known as an O2 sensor, showcases superior engineering for optimal performance. Symptoms of a faulty or bad oxygen sensor include bad gas mileage, rough idle, reduced drivability, and an illuminated check-engine light.