OE Quality
60-Day Returns

Denso 234-4775 Oxygen Sensor - Downstream or Downstream Front
Overview of the Denso OE Style Oxygen Sensor 234-4775
The Denso OE Style Oxygen Sensor 234-4775 is designed specifically for Nissan Altima models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 10.63-inch wiring harness length for a direct fit installation.
- Heated oxygen sensor for faster response times
- Specific fit for Nissan Altima vehicles
- Threaded mounting with 0.708-inch thread diameter
- Four-wire design with male connector
- 10.63-inch wiring harness length for proper reach
Detailed Product Description
This Denso oxygen sensor, part number 234-4775, belongs to the OE Style product line, which focuses on delivering original equipment quality and fitment. The OE Style line ensures that each sensor matches the specifications and performance of the factory-installed part, making it a reliable replacement for Nissan Altima owners. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions.
With a specific fitment for Nissan Altima models, this oxygen sensor features a threaded mounting type with a 0.708-inch thread diameter, ensuring secure installation. The four-wire configuration includes a male connector, facilitating straightforward electrical connections. The 10.63-inch wiring harness length is optimized for proper routing and compatibility with the vehicle’s existing wiring.
Common Applications and Issues Addressed
- Helps maintain optimal air-fuel mixture for engine efficiency
- Reduces harmful emissions by accurately monitoring exhaust gases
- Prevents engine performance problems related to faulty oxygen sensors
- Resolves check engine light triggers caused by sensor failure
- Supports proper operation of the vehicle’s emission control system
Installation Notes and Tips
When installing the Denso 234-4775 oxygen sensor, ensure the vehicle is cool to avoid burns. Use a proper oxygen sensor socket for removal and installation to prevent damage to the sensor or wiring. Verify the connector gender matches the vehicle harness for a secure connection. Follow torque specifications for the 0.708-inch threaded mount to avoid leaks or sensor damage.
Quality Assurance and Warranty
Denso’s OE Style oxygen sensors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. This sensor is designed to provide consistent operation within the emission control system of Nissan Altima vehicles.
| Brand | Denso |
|---|---|
| Part Number | 234-4775 |
| Position | OE Style, Downstream Front |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 10.63 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Nissan | Altima | Downstream Front | To 01/04; OE Style |
| 2003 | Nissan | Altima | Downstream Front | OE Style |
| 2002 | Nissan | Altima | Downstream Front | OE Style |
| 2001 | Nissan | Altima | Downstream | From 12/00; 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.