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Denso 234-4642 Oxygen Sensor - Downstream or Upstream
Overview of the Denso OE Style Oxygen Sensor 234-4642
The Denso OE Style Oxygen Sensor 234-4642 is designed specifically for Mitsubishi vehicles including the Diamante, Eclipse, and Lancer models. This heated oxygen sensor features a threaded mounting type and a 19.29-inch wiring harness, ensuring precise fitment and reliable performance.
- Heated sensor type for faster response times
- Specific fitment for Mitsubishi Diamante, Eclipse, and Lancer
- Threaded mounting with 0.708-inch thread diameter
- Four-wire configuration with female connector
- 19.29-inch wiring harness length for optimal installation
Detailed Product Description
The Denso 234-4642 oxygen sensor is engineered to meet the exact specifications of Mitsubishi vehicles such as the Diamante, Eclipse, and Lancer. This sensor uses a heated element to quickly reach operating temperature, improving fuel efficiency and reducing emissions. The four-wire design includes a female connector and a 0.708-inch threaded mounting, providing a secure and precise installation. With a wiring harness length of 19.29 inches, this sensor offers flexibility during replacement without the need for modifications.
This oxygen sensor is part of Denso's OE Style product line, which focuses on delivering components that match original equipment specifications. The OE Style line ensures compatibility and performance consistent with factory-installed parts, making it a reliable choice for maintaining your Mitsubishi's emission control system.
Common Applications and Issues Addressed
- Restores accurate oxygen level readings for optimal engine performance
- Helps resolve rough idling and poor fuel economy
- Reduces emissions by ensuring proper air-fuel mixture
- Prevents check engine light triggers related to oxygen sensor faults
- Improves catalytic converter efficiency by providing correct sensor data
Installation Notes and Tips
- Ensure the vehicle is cool before sensor removal to avoid burns
- Use appropriate tools for the 0.708-inch threaded mounting
- Verify connector gender matches the vehicle harness (female connector)
- Check wiring harness length (19.29 inches) for proper routing
- Follow vehicle-specific torque specifications during installation
Quality Assurance and Warranty
Denso OE Style oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable operation. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms related to part number 234-4642.
| Brand | Denso |
| Part Number | 234-4642 |
| 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 | 19.29 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Mitsubishi | Lancer | Downstream | To 03/03/06; OE Style |
| 2005 | Mitsubishi | Lancer | Downstream | OE Style |
| 2004 | Mitsubishi | Lancer | Downstream | OE Style |
| 2003 | Mitsubishi | Lancer | Downstream | OE Style |
| 2002 | Mitsubishi | Lancer | Downstream | OE Style |
| 2000 | Mitsubishi | Diamante | Downstream | Excluding California.; OE Style |
| 2000 | Mitsubishi | Eclipse | Upstream | Excluding California.; OE Style |
| 2000 | Mitsubishi | Eclipse | Downstream | Excluding California.; OE Style |
| 1999 | Mitsubishi | Diamante | Downstream | Excluding California.; OE Style |
| 1998 | Mitsubishi | Diamante | Downstream | OE Style |
| 1997 | Mitsubishi | Diamante | Downstream | OE Style |
| 1993 | Mitsubishi | Diamante | Upstream | OE Style |
| 1992 | Mitsubishi | Diamante | 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.