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Denso 234-4094 Oxygen Sensor - Downstream or Upstream
Overview of the Denso OE Style Oxygen Sensor 234-4094
The Denso OE Style Oxygen Sensor 234-4094 is designed specifically for select Honda models, including the Insight, Odyssey, and Prelude. This heated oxygen sensor features a threaded mounting type and a 13.78-inch wiring harness, ensuring precise fitment and reliable performance.
- Heated oxygen sensor for accurate emissions control
- Specific fit for Honda Insight, Odyssey, and Prelude
- Threaded mounting with 0.708-inch thread diameter
- 13.78-inch wiring harness length with 4 wires
- Female connector for secure electrical connection
Detailed Product Description
The Denso 234-4094 oxygen sensor is engineered to meet the exact specifications of the original equipment for Honda vehicles. Its heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. The sensor’s 4-wire design supports both the heating element and signal transmission, while the female connector ensures a proper and secure connection to the vehicle’s wiring harness. The 0.708-inch threaded mounting type provides a straightforward installation process, maintaining a tight seal to prevent exhaust leaks.
This oxygen sensor is part of Denso’s OE Style product line, which focuses on delivering parts that closely replicate the original equipment in form, fit, and function. The OE Style line is ideal for customers seeking reliable replacement parts that maintain factory performance standards without modification.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for optimal air-fuel mixture
- Helps resolve rough idling and poor engine performance
- Reduces increased emissions and failed emissions tests
- Corrects check engine light triggers related to oxygen sensor faults
- Improves fuel economy by ensuring proper sensor operation
Installation Notes and Tips
- Ensure the vehicle is cool before installation to avoid burns
- Use appropriate tools to avoid damaging the threaded sensor
- Verify connector type matches the vehicle’s wiring harness (female connector)
- Check wiring harness length (13.78 inches) for proper routing
- Follow manufacturer torque specifications for sensor installation
Quality Assurance and Warranty
Denso manufactures the 234-4094 oxygen sensor to meet strict quality standards, ensuring durability and reliable performance. As part of the OE Style line, this sensor is designed to match original equipment specifications. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor or retailer.
| Brand | Denso |
| Part Number | 234-4094 |
| Position | OE Style, Downstream |
| Connector Gender | Female |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 13.78 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Honda | Odyssey | Downstream | OE Style |
| 2003 | Honda | Odyssey | Downstream | OE Style |
| 2002 | Honda | Odyssey | Downstream | OE Style |
| 2001 | Honda | Odyssey | Downstream | OE Style |
| 2000 | Honda | Insight | Downstream | OE Style |
| 2000 | Honda | Odyssey | Downstream | OE Style |
| 1999 | Honda | Odyssey | Downstream | OE Style |
| 1995 | Honda | Prelude | Upstream | OE Style |
| 1994 | Honda | Prelude | Upstream | OE Style |
| 1993 | Honda | Prelude | Upstream | OE Style |
| 1992 | Honda | Prelude | Upstream | OE Style |
* 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.