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 Delphi Oxygen Sensor (part number ES20117) is a direct-fit replacement for 2002-2011 Cadillac, Chevrolet, GMC, and Hummer vehicles with 6.0L, 3.6L, and 6.2L engines.
Features:
Specifications:
| Sensor Type | Narrow-Band |
| Number of Wires | 4 |
| Number of Terminals | 4 |
| Connector Type | Blade |
| Connector Shape | Square |
| Connector Gender | Male |
| Terminal Gender | Female |
| Mounting Style | Threaded |
| Thread Size | M18 - 1.5 |
| Hex Size (mm) | 22mm |
| Heated | Yes |
| Fit Type | Direct Fit |
| Wire Length (mm) | 18 mm |
| Wire Gauge (AWG) | 20 AWG |
Fits: 2002-2011 Cadillac, Chevrolet, GMC, Hummer, and Isuzu models including CTS, Escalade, Escalade ESV, Escalade EXT, SRX, STS, Astro, Avalanche and more - 6.0L, 3.6L, and 6.2L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: Wells SU1458, Wells SU1488, Wells SU1509, ACDelco 2132831, ACDelco 213962, Walker Products 250-24355, Walker Products 250-24324, General Motors 12569496 and 34 more