OE Quality
60-Day Returns

Delphi ES10353 Oxygen Sensor
Delphi ES10353 Oxygen Sensor Overview
The Delphi ES10353 is a heated oxygen sensor designed for precise emission control in select BMW models. Engineered to meet OEM specifications, this sensor ensures accurate air-fuel mixture readings for optimal engine performance and reduced emissions.
- Heated sensor type for faster response times
- 4-wire configuration for reliable signal transmission
- Round connector shape for secure fitment
- Thread size of 18 x 1.5 mm compatible with specific BMW exhaust ports
- Overall length of 360.0 mm for proper installation depth
- Includes oxygen sensor and instruction sheet
- Positioned for front exhaust placement
Technical Details and Compatibility
The Delphi ES10353 oxygen sensor features a heated design with four wires, allowing it to reach operating temperature quickly and provide accurate oxygen level readings. The round connector shape and 18 x 1.5 mm thread size ensure compatibility with the front exhaust system of BMW 530i, 540i, 740i, 740iL, and 840Ci models. With an overall length of 360.0 mm, this sensor fits precisely in the designated mounting location, maintaining proper exhaust flow and sensor function.
Applications and Problem Resolution
This oxygen sensor is used to monitor the oxygen content in the exhaust gases, enabling the engine control unit to adjust fuel injection for efficient combustion. It helps address issues such as:
- Inaccurate air-fuel mixture readings causing poor fuel economy
- Increased emissions due to faulty sensor signals
- Check engine light triggered by oxygen sensor faults
- Engine performance problems related to exhaust gas monitoring
- Failed emissions tests due to sensor malfunction
Installation Notes and Tips
When installing the Delphi ES10353 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to avoid damaging the 18 x 1.5 mm threads. Verify the sensor is installed in the front position as specified for your BMW 530i, 540i, 740i, 740iL, or 840Ci. Follow the included instruction sheet for wiring connections and torque specifications to ensure proper sensor operation.
Quality Assurance and Warranty
Delphi manufactures the ES10353 oxygen sensor to meet strict quality standards, ensuring durability and reliable performance. This sensor is backed by Delphi's quality assurance processes. Please refer to Delphi's official warranty policy for coverage details.
| Brand | Delphi |
|---|---|
| Part Number | ES10353 |
| Connector Shape | Round |
| Overall Length | 360.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Front |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1995 | BMW | 530i | Manual | N/A | |
| 1995 | BMW | 740i | N/A | ||
| 1995 | BMW | 740iL | N/A | ||
| 1995 | BMW | 840Ci | N/A | ||
| 1994 | BMW | 530i | Manual | N/A | From 06/1994 |
| 1994 | BMW | 540i | N/A | From 03/1994 | |
| 1994 | BMW | 840Ci | N/A | From 05/1994 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.