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OE Quality
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Denso 234-4155 Oxygen Sensor - Downstream or Upstream
Reliable Oxygen Sensor for Toyota 4Runner, Previa, and T100
The Denso OE Style 234-4155 oxygen sensor is designed specifically for select Toyota models, including the 4Runner, Previa, and T100. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.
- Heated sensor type for faster response times
- Specific fit for Toyota 4Runner, Previa, and T100 models
- 24.41-inch wiring harness length for precise installation
- Four-wire design for reliable signal transmission
- Part number 234-4155 for exact replacement
About the Denso OE Style Product Line
The OE Style line from Denso offers direct-fit replacement parts engineered to meet original equipment specifications. The 234-4155 oxygen sensor from this line provides a precise fit and function, maintaining the integrity of your vehicle’s emission control system without modification.
Product Details and Specifications
This oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s four-wire configuration supports both the heating element and signal output, ensuring accurate data is sent to the engine control unit. With a wiring harness length of 24.41 inches, installation is straightforward and compatible with the designated Toyota models.
Common Applications and Issues Addressed
- Helps maintain proper air-fuel mixture for efficient combustion
- Reduces engine misfires related to faulty oxygen sensors
- Prevents increased emissions and failed emissions tests
- Improves fuel economy by providing accurate sensor data
- Resolves check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Use the specific part number 234-4155 to confirm compatibility with your Toyota 4Runner, Previa, or T100. The 24.41-inch wiring harness length allows for proper routing without strain. Follow torque specifications for sensor installation to avoid damage.
Quality Assurance and Warranty
Denso manufactures the OE Style 234-4155 oxygen sensor to meet strict quality standards, ensuring durability and reliable performance. This part is engineered to match OEM specifications for fit and function. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Denso |
|---|---|
| Part Number | 234-4155 |
| Position | OE Style, Downstream |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 24.41 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2000 | Toyota | 4Runner | RWD | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1999 | Toyota | 4Runner | RWD | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1997 | Toyota | Previa | Upstream | OE Style | |
| 1996 | Toyota | Previa | Upstream | OE Style | |
| 1995 | Toyota | Previa | Upstream | OE Style | |
| 1994 | Toyota | Previa | Upstream | OE Style | |
| 1994 | Toyota | T100 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style | |
| 1993 | Toyota | T100 | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; 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.