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Delphi ES20189 Oxygen Sensor - Front
| Brand | Delphi ES20189 |
|---|---|
| Position | Front |
| Connector Shape | Round |
| Overall Length | 460.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
| Fits | Mercedes-Benz · 3 vehicles |
Heated sensor. Provides faster operation for more responsive emissions monitoring.
Round connector. Simplifies installation with a straightforward electrical connection.
OE heritage. Built from 100 years of OE experience and supplier knowledge.
Cross-references BBB Industries 13893, Gates 25532 and 000 540 62 17 for the same application. See all 12.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi ES20189 Oxygen Sensor for Mercedes-Benz SLK230
Delphi ES20189 is a heated front oxygen sensor built for precise exhaust feedback in select Mercedes-Benz applications. It is a direct-fit replacement for 1998-2000 Mercedes-Benz SLK230 front sensor service and uses OE-based engineering drawn from Delphi’s long history supplying automakers.
Key Features
- Heated oxygen sensor for faster operating temperature and stable signal output
- 4-wire design with a round connector shape
- 18 x 1.5 mm thread size for the specified application
- Overall length: 460.0
- Front position fitment for Mercedes-Benz SLK230
- Package contents: oxygen sensor and instruction sheet
Detailed Description
Delphi ES20189 is engineered for the front exhaust position on 1998-2000 Mercedes-Benz SLK230 models. As a heated oxygen sensor, it helps the engine control system monitor exhaust oxygen content more quickly after startup, supporting accurate air-fuel management once the sensor reaches operating temperature. Delphi’s OE heritage and supplier experience are reflected in the sensor design and application coverage, making this part a practical choice for Mercedes-Benz SLK230 oxygen sensor replacement service. This part cross-references BBB Industries 13893 for the same application.
What This Sensor Helps Address
- Check engine light concerns related to oxygen sensor performance
- Rough idle or drivability issues tied to incorrect air-fuel feedback
- Reduced fuel economy caused by inaccurate exhaust readings
- Slow sensor response during cold start operation
- Front sensor replacement on 1998-2000 Mercedes-Benz SLK230 models
Installation Notes and Tips
Fits 1998-2000 Mercedes-Benz SLK230, front. Confirm the 18 x 1.5 mm thread size, 4-wire configuration, round connector shape, and overall length before installation. Inspect the harness connector and exhaust bung condition during service, and follow the included instruction sheet for proper routing and connection. For search relevance, this is a Delphi ES20189 oxygen sensor for Mercedes-Benz SLK230 front replacement applications.
Quality Assurance
Delphi builds aftermarket parts using OE experience and application knowledge developed through decades of supplying original equipment to major automakers. The ES20189 reflects that OE-based approach for front oxygen sensor service on the Mercedes-Benz SLK230.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | Mercedes-Benz | SLK230 | Front | — |
| 1999 | Mercedes-Benz | SLK230 | Front | — |
| 1998 | Mercedes-Benz | SLK230 | Front | — |
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