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Delphi ES20126 Oxygen Sensor
| Brand | Delphi ES20126 |
|---|---|
| Connector Shape | Square |
| Overall Length | 310.0 |
| Package Contents | Oxygen Sensor, Instruction Sheet |
| Position(s) | Front |
| Sensor Type | Heated |
| Thread Size | 18 x 1.5 mm |
| Wire Quantity | 4 |
| Fits | Honda, Isuzu, and Geo · 13 vehicles |
Heated sensor. Helps the oxygen sensor reach operating temperature quickly.
Square connector. Simplifies hookup with a matching square-style plug.
OE heritage. Built with 100 years of OE experience and supplier knowledge.
Cross-references Bosch 13030, DENSO Auto Parts 234-4062 and Gates 24601 for the same application. See all 19.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi ES20126 Oxygen Sensor for Front Applications
The Delphi ES20126 is a heated oxygen sensor built with OE heritage and supplier experience drawn from more than a century of original-equipment development. It is a direct-fit emission control sensor for front-position applications on select Honda, Isuzu, and Geo vehicles.
Key Features
- Heated oxygen sensor for faster operating temperature and stable signal output
- 4-wire design with square connector shape
- 18 x 1.5 mm thread size for direct-thread installation
- Overall length: 310.0
- Package contents: oxygen sensor and instruction sheet
- Front position application
Application Details
Compatible with 1994-1995 Honda Passport, 1993-1995 Isuzu Rodeo, 1992-1995 Isuzu Trooper, 1992 Geo Storm, 1992 Isuzu Impulse, and 1992 Isuzu Stylus. The Delphi ES20126 oxygen sensor is a practical replacement choice for front sensor service on these vehicles, including common Honda Passport and Isuzu Rodeo repair needs.
This part cross-references Bosch 13030 and DENSO Auto Parts 234-4062 for the same application.
What It Helps Address
- Check engine light concerns related to oxygen sensor performance
- Incorrect air-fuel mixture readings from a worn front sensor
- Rough idle or drivability issues tied to exhaust feedback data
- Failed emissions inspection caused by sensor response problems
- Slow sensor warm-up on heated oxygen sensor systems
Installation Notes
Verify thread size, connector shape, wire count, and front position before installation. Compare the removed sensor to the Delphi ES20126 and confirm vehicle-specific fitment for your Honda Passport, Isuzu Rodeo, or other listed application. Follow the included instruction sheet and inspect the harness routing and connector condition during replacement.
Quality Assurance
Delphi builds aftermarket parts using OE experience and knowledge developed through long-term supply relationships with major automakers. That OE-based engineering approach is reflected in the ES20126 oxygen sensor design and application coverage.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Honda | Passport | N/A | — |
| 1995 | Isuzu | Rodeo | N/A | — |
| 1995 | Isuzu | Trooper | N/A | — |
| 1994 | Honda | Passport | N/A | — |
| 1994 | Isuzu | Rodeo | N/A | — |
| 1994 | Isuzu | Trooper | N/A | — |
| 1993 | Geo | Storm | N/A | — |
| 1993 | Isuzu | Rodeo | N/A | — |
| 1993 | Isuzu | Trooper | N/A | — |
| 1992 | Geo | Storm | N/A | — |
| 1992 | Isuzu | Impulse | N/A | — |
| 1992 | Isuzu | Stylus | N/A | — |
| 1992 | Isuzu | Trooper | N/A | — |
| No rows match your filter. | ||||