OE Quality
60-Day Returns

Bosch 13968 Oxygen Sensor - Upstream or Upstream Left
Reliable Oxygen Sensor for Nissan and INFINITI Vehicles
The Bosch Actual OE Oxygen Sensor 13968 is designed specifically for select Nissan and INFINITI models, including the Altima, Maxima, Sentra, and I35. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.
- Specific fit for Nissan Altima, Maxima, Sentra, and INFINITI I35
- Heated narrow-band oxygen sensor for improved response time
- Threaded mounting type with 18 mm thread diameter and 22 mm hex size
- 12.2-inch wiring harness length with 3-wire blade terminals and oblong male connector
- Durable metal housing finished in steel for long-lasting performance
- Standard replacement grade for reliable emissions control
- Wiring harness included for straightforward installation
About the Bosch Actual OE Oxygen Sensor Product Line
The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This product line focuses on delivering precise sensor readings and compatibility with specific vehicle models, ensuring proper emissions system function and compliance. The 13968 sensor maintains the integrity of the vehicle’s emission control system by using a narrow-band heated sensor design, which helps reduce warm-up time and improves fuel efficiency.
Detailed Product Description
This Bosch oxygen sensor features a 3-wire heated design with blade-type terminals and a male oblong connector, facilitating a secure and reliable electrical connection. The sensor’s overall length is 15.9 inches, with a wiring harness length of 12.2 inches and a sealing surface to connector length of 14.8 inches, providing ample reach for installation in the specified Nissan and INFINITI models. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for easy installation using standard tools. Constructed with a metal housing finished in steel, this sensor is built to withstand harsh engine conditions and maintain consistent performance over time.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved engine efficiency
- Resolves check engine light triggers related to oxygen sensor faults
- Helps reduce vehicle emissions to meet regulatory standards
- Improves fuel economy by providing precise sensor data
- Prevents rough idling and engine performance issues caused by faulty sensors
Installation Notes and Tips
When installing the Bosch 13968 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory specifications. Avoid damaging the sensor tip or wiring during installation. It is recommended to apply anti-seize compound on the threads to facilitate future removal, but avoid contaminating the sensor element.
Quality Assurance and Warranty
Bosch oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and accuracy. The Actual OE Oxygen Sensor 13968 is a standard replacement part designed to maintain factory-level performance. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in the product’s reliability.
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | INFINITI | I35 | 3.5L | V6 | Upstream | Actual OE Oxygen Sensor |
| 2004 | Nissan | Altima | 3.5L | V6 | Upstream | Actual OE Oxygen Sensor |
| 2003 | INFINITI | I35 | 3.5L | V6 | Upstream | Actual OE Oxygen Sensor |
| 2003 | Nissan | Altima | 3.5L | V6 | Upstream | Actual OE Oxygen Sensor |
| 2003 | Nissan | Maxima | 3.5L | V6 | Upstream | Actual OE Oxygen Sensor |
| 2002 | INFINITI | I35 | 3.5L | V6 | Upstream | Actual OE Oxygen Sensor |
| 2002 | Nissan | Altima | 3.5L | V6 | Upstream | Actual OE Oxygen Sensor |
| 2002 | Nissan | Maxima | 3.5L | V6 | Upstream | Actual OE Oxygen Sensor |
| 2001 | Nissan | Sentra | 1.8L | L4 | Upstream Left | Late Production; Except Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor |
* 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.