NTK Switching Oxygen Sensor 21049 for 2002-2007 Cadillac/Chevrolet/GMC 6.0L 6.2L (CTS, Escalade, Escalade ESV, Escalade EXT)
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The Spectra Premium Oxygen Sensor (part number OS5058) is a direct-fit replacement for 2002-2007 Cadillac, Chevrolet, GMC, and Hummer vehicles with 6.0L, 6.2L, and 4.3L engines.
Specifications:
| Sensor Type | Wide-Band |
| Number of Wires | 4 |
| Connector Type | Blade |
| Connector Shape | Square |
| Connector Gender | Male |
| Terminal Gender | Male |
| 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: 2002-2007 Cadillac, Chevrolet, GMC, Hummer, and Isuzu models including CTS, Escalade, Escalade ESV, Escalade EXT, Astro, Avalanche, Silverado 1500, Silverado 1500 Classic and more - 6.0L, 6.2L, and 4.3L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: Carquest 752540, Carquest 753343, Standard Motor Products SG1629, Standard Motor Products SG1629T, Standard Motor Products SG707, Standard Motor Products SG707T, Standard Motor Products SG708, Standard Motor Products SG708T and 35 more