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Denso 234-4620 Oxygen Sensor - Downstream or Upstream
| Brand | Denso 234-4620 |
|---|---|
| Position | Upstream |
| Connector Gender | Female |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 11.42 |
| Product line | OE Style |
| Fits | Honda · 10 vehicles |
OE style replacement. Precision-built for an exact, first-time fit.
Heated sensor. Helps support faster operation and efficient engine performance.
Threaded mounting. Female connector and 4-wire design for a straightforward install.
Cross-references ACDelco 213-1481, BorgWarner OS834 and BorgWarner OS1666 for the same application. See all 15.
Denso 234-4620 Oxygen Sensor for Honda
Denso 234-4620 is an OE-style heated oxygen sensor built for exact replacement and first-time fit. It is engineered for Honda Accord and Honda Insight applications where accurate exhaust feedback is needed for proper fuel control and emissions performance.
Key Features
- Heated oxygen sensor with a 4-wire design
- Specific-fit replacement for direct installation
- Female connector with threaded mounting
- Wiring harness length: 11.42
- Thread diameter: 0.708
- Built to OE standards for consistent signal accuracy
OE-Style Construction
Denso’s OE Style line is built to match original equipment fit and function, making it a practical choice for drivers replacing a worn sensor on a Honda Accord or Honda Insight. The sensor uses Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable operation and long service life. Part number 234-4620 is also cross-referenced to Bosch 13075 for the same application.
What This Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Rough idle or inconsistent air-fuel mixture control
- Reduced fuel economy caused by inaccurate exhaust readings
- Failed emissions testing tied to sensor response issues
- Delayed or unstable closed-loop engine operation
Installation Notes and Tips
Fits 1996-2002 Honda Accord, upstream. Fits 2001 Honda Insight, downstream. Fits 1994-1995 Honda Accord, upstream. Confirm connector style, thread diameter, and sensor position before installation. Because this is a specific-fit, threaded sensor, it should be matched to the correct upstream or downstream location on the vehicle. The Denso 234-4620 is intended for direct replacement on the listed Honda applications.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for fit, function, and durability. The design focus on exact replacement and contamination resistance supports dependable performance in emissions control systems.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2002 | Honda | Accord | — | Upstream | OE Style |
| 2001 | Honda | Accord | — | Upstream | OE Style |
| 2001 | Honda | Insight | Manual | Downstream | OE Style |
| 2000 | Honda | Accord | — | Upstream | OE Style |
| 1999 | Honda | Accord | — | Upstream | OE Style |
| 1998 | Honda | Accord | — | Upstream | OE Style |
| 1997 | Honda | Accord | — | Upstream | OE Style |
| 1996 | Honda | Accord | — | Upstream | OE Style |
| 1995 | Honda | Accord | — | Upstream | Female Connector; OE Style |
| 1994 | Honda | Accord | — | Upstream | Female Connector; OE Style |
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