The Delphi Oxygen Sensor (part number ES20421) is a direct-fit replacement for 2010-2017 BMW vehicles with 3.0L engines.
Features:
- Delphi planar technology covers older, conical design sensors
- Smart design consolidates SKUs without using long wires
- Patented protective sensor coating helps prevent contamination
- Validated for all fuel types, including ethanol blends like E85
- OE tested to 150,000 miles, plus 2,000 hours severe thermal testing
- Delphi is a global OE manufacturer for oxygen sensor and all oxygen sensors are built to Delphi's OE standards
Specifications:
| Sensor Type | Narrow-Band |
| Number of Wires | 4 |
| Number of Terminals | 4 |
| Connector Type | Blade |
| Connector Shape | Oblong |
| Connector Gender | Male |
| Terminal Gender | Male |
| Mounting Style | Threaded |
| Thread Size | M18 - 1.5 |
| Hex Size (mm) | 22mm |
| Heated | Yes |
| Fit Type | Direct Fit |
| Wire Length (mm) | 30 mm |
| Wire Gauge (AWG) | 20 AWG |
Fits: 2010-2017 BMW models including 135i, 335i, 335i GT xDrive, 528i, 535i, 535i GT, 535i GT xDrive, 535i xDrive and more - 3.0L engines. Confirm your year, make, model, and engine before ordering.
Interchanges With: BMW 11 78 7 589 475, BMW 11 78 7 603 022, NTK 25730, NTK 25740, Walker Products 250-241027, Walker Products 250-24991, DENSO Auto Parts 234-4479, Bosch 16162
