NTK Switching Oxygen Sensor 21556 for 2004-2017 Buick/Cadillac/Chevrolet 3.6L 3.0L (Allure, Enclave, LaCrosse, Rendezvous)
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The Delphi Oxygen Sensor (part number ES20012) is a direct-fit replacement for 2004-2017 Buick, Cadillac, Chevrolet, and GMC vehicles with 3.6L, 3.0L, and 1.4L engines.
Features:
Specifications:
| Sensor Type | Narrow-Band |
| Number of Wires | 4 |
| Number of Terminals | 4 |
| Connector Type | Blade |
| Connector Shape | Trapezoid |
| Connector Gender | Female |
| Terminal Gender | Male |
| Mounting Style | Threaded |
| Thread Size | M18 - 1.5 |
| Hex Size (mm) | 22mm |
| Heated | Yes |
| Fit Type | Direct Fit |
| Wire Length (mm) | 22 mm |
| Wire Gauge (AWG) | 20 AWG |
Fits: 2004-2017 Buick, Cadillac, Chevrolet, GMC, and Saturn models including Enclave, LaCrosse, Rendezvous, CTS, ELR, SRX, XLR, Captiva Sport and more - 3.6L, 3.0L, and 1.4L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: Airtex 5S8121, Airtex 5S8143, Airtex 5S8149, Airtex 5S8199, Wells SU9587, Wells SU9609, Wells SU9615, Wells SU9665 and 42 more