NTK Switching Oxygen Sensor 21543 for 1996-2002 Chevrolet/GMC 5.7L 5.0L (C1500, C1500 Suburban, C2500, C2500 Suburban)
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The Delphi Oxygen Sensor (part number ES20028) is a direct-fit replacement for 1990-2002 Chevrolet and GMC vehicles with 5.7L, 5.0L, and 6.5L engines.
Features:
Specifications:
| Sensor Type | Narrow-Band |
| Number of Wires | 4 |
| Number of Terminals | 4 |
| Connector Type | Blade |
| Connector Shape | Oblong |
| 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) | 16 mm |
| Wire Gauge (AWG) | 20 AWG |
Fits: 1990-2002 Chevrolet and GMC models including C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, C3500HD, Express 2500, Express 3500 and more - 5.7L, 5.0L, and 6.5L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: Wells SU1144, Wells SU1363, ACDelco AFS136, ACDelco AFS93, Walker Products 25024019, General Motors 19178934, General Motors 19178942, General Motors 25160540 and 12 more