NTK Switching Oxygen Sensor 21560 for 2006-2015 Buick/Chevrolet/GMC 3.9L 5.3L (Lucerne, Avalanche 1500, Express 1500, Express 2500)
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The Spectra Premium Oxygen Sensor (part number OS5494) is a direct-fit replacement for 2006-2015 Buick, Chevrolet, and GMC vehicles with 3.9L, 5.3L, and 4.3L engines.
Specifications:
| Sensor Type | Wide-Band |
| Number of Wires | 4 |
| Connector Type | Blade |
| Connector Shape | Trapeze |
| Connector Gender | Female |
| Terminal Gender | Female |
| Mounting Style | Screw |
| Thread Size | M18 - 1.5 |
| Hex Size (mm) | 0.875 |
| Heated | Yes |
| Fit Type | Direct Fit |
| Wire Length (mm) | 17 mm |
| Wire Gauge (AWG) | 20 AWG |
Fits: 2006-2015 Buick, Chevrolet, and GMC models including Lucerne, Avalanche 1500, Express 1500, Express 2500, Express 3500, Express Cargo, Express Pasajeros, Silverado 1500 and more - 3.9L, 5.3L, and 4.3L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: Carquest 753881, Carquest 753701, Wells Vehicle Electronics 5S10171, Wells Vehicle Electronics 5S8177, ACDelco 2133632, ACDelco 2133673, ACDelco 2134413, NTK 21560 and 9 more