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Delphi ES10241 Oxygen Sensor
| Brand | Delphi ES10241 |
|---|---|
| Sensor Type | Heated |
| Wire Quantity | 3 |
| Connector Shape | Round |
| Thread Size | 18 x 1.5 mm |
| Overall Length | 730.0 |
| Package Contents | Oxygen sensor, instruction sheet |
| Position(s) | Upstream |
| Fits | BMW and Porsche · 28 vehicles |
Heated sensor. Delivers faster operation for more responsive emissions monitoring.
Round connector. Simplifies hookup with a clean, secure electrical connection.
OE heritage. Built with decades of original-equipment experience.
Cross-references Bosch 13047, Bosch 13924 and Carlson 13003 for the same application. See all 68.
Delphi ES10241 Oxygen Sensor Overview
The Delphi ES10241 is a heated upstream oxygen sensor built for precise exhaust feedback and reliable engine management. It is a direct-fit emission control sensor for select Porsche 928, Porsche 911, Porsche 944, and BMW 318i applications, with OE-based engineering informed by Delphi’s long history supplying major automakers.
Use this Delphi oxygen sensor when you need accurate air-fuel ratio monitoring for select 1985-1995 Porsche and BMW applications. The ES10241 part number is commonly searched for upstream replacement needs on Porsche 928, Porsche 911, and Porsche 944 models.
Key Features
- Heated oxygen sensor for faster operating temperature and stable signal output
- Upstream position for primary exhaust feedback
- 3-wire design with round connector shape
- 18 x 1.5 mm thread size for the listed applications
- Overall length: 730.0
- Includes oxygen sensor and instruction sheet
- Delphi ES10241 engineered with OE heritage and aftermarket application knowledge
Detailed Description
The Delphi ES10241 oxygen sensor is designed for upstream exhaust monitoring on select Porsche and BMW vehicles. As a heated sensor, it reaches operating temperature more quickly than an unheated design, helping the engine control system receive timely exhaust data for fuel delivery adjustments. This part number is a strong search match for drivers looking for a replacement oxygen sensor for 1985-1994 Porsche 911, 1987-1991 Porsche 928, 1986-1989 Porsche 944, and 1985 BMW 318i from 12/1984.
Delphi draws on OE experience and supplier knowledge built over decades of working with top automakers, and that background is reflected in the ES10241’s fitment-focused design. If you are replacing a failing upstream sensor on a Porsche 911 or Porsche 928, the Delphi ES10241 offers the correct sensor type, connector style, and thread specification for the listed applications.
This part cross-references DENSO Auto Parts 234-3031 for the same application.
What It Helps Address
- Check engine light related to oxygen sensor performance
- Rough idle caused by inaccurate exhaust oxygen readings
- Reduced fuel control from a slow or aging upstream sensor
- Failed emissions inspection tied to sensor response issues
- Poor drivability from incorrect air-fuel mixture feedback
Installation Notes and Tips
Verify the connector shape, wire count, thread size, and upstream location before installation. Confirm vehicle-specific fitment for your Porsche 928, Porsche 911, Porsche 944, or BMW 318i application, and compare the old sensor’s connector and lead length to the Delphi ES10241 before replacement. Follow the included instruction sheet and inspect the exhaust bung threads for damage or contamination before installing the new sensor.
Quality Assurance
Delphi builds this oxygen sensor using OE-focused engineering backed by more than 100 years of supplier experience with major automakers. The ES10241 reflects that OE heritage in a replacement part intended for the listed applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1995 | Porsche | 928 | — | N/A | — |
| 1994 | Porsche | 911 | Turbo 3.6 | N/A | — |
| 1994 | Porsche | 911 | Speedster | N/A | — |
| 1994 | Porsche | 911 | RS America | N/A | — |
| 1994 | Porsche | 911 | Carrera 4 | N/A | Old Body Style |
| 1994 | Porsche | 911 | Carrera 2 | N/A | Old Body Style |
| 1994 | Porsche | 928 | — | N/A | — |
| 1993 | Porsche | 911 | — | N/A | — |
| 1993 | Porsche | 928 | — | N/A | — |
| 1992 | Porsche | 911 | — | N/A | — |
| 1991 | Porsche | 911 | Carrera 4 | N/A | — |
| 1991 | Porsche | 911 | — | N/A | — |
| 1991 | Porsche | 928 | — | N/A | — |
| 1990 | Porsche | 911 | — | N/A | — |
| 1990 | Porsche | 928 | — | N/A | — |
| 1989 | Porsche | 911 | — | N/A | — |
| 1989 | Porsche | 928 | — | N/A | — |
| 1989 | Porsche | 944 | — | N/A | — |
| 1988 | Porsche | 911 | — | N/A | — |
| 1988 | Porsche | 928 | — | N/A | — |
| 1988 | Porsche | 944 | — | N/A | — |
| 1987 | Porsche | 911 | — | N/A | — |
| 1987 | Porsche | 928 | — | N/A | — |
| 1987 | Porsche | 944 | — | N/A | — |
| 1986 | Porsche | 911 | — | N/A | — |
| 1986 | Porsche | 944 | — | N/A | — |
| 1985 | BMW | 318i | — | N/A | From 12/1984 |
| 1985 | Porsche | 911 | — | N/A | — |
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