HomeEmission Control > SensorsBosch 15955 Oxygen Sensor - Upstream Front, Upstream Left or Upstream Right
Part #: 15955

Bosch 15955 Oxygen Sensor - Upstream Front, Upstream Left or Upstream Right

Actual OE Oxygen Sensor, Upstream Front
⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Actual OE Oxygen Sensor, Upstream Front
🚗Fitment: INFINITI and Nissan, I30, Maxima, and Sentra
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Overview of Bosch Actual OE Oxygen Sensor 15955

The Bosch Actual OE Oxygen Sensor 15955 is designed specifically for select Nissan and INFINITI models, including the G20, I30, Maxima, QX4, and Sentra. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

  • Specific fit for Nissan and INFINITI vehicles
  • Heated narrow-band oxygen sensor for precise readings
  • Threaded mounting type with 18 mm thread diameter
  • 12.6-inch wiring harness length with 3-wire configuration
  • Durable steel housing with 22 mm hex size for installation
  • Oblong male connector with blade terminal type
  • Standard replacement grade for reliable performance

Detailed Product Features and Specifications

This Bosch oxygen sensor features a heated narrow-band sensor type, which helps maintain accurate air-fuel mixture readings under various operating conditions. The sensor includes a 12.6-inch wiring harness with three wires and a male oblong connector, designed for a specific fit rather than universal application. The threaded mounting type with an 18 mm thread diameter and 22 mm hex size allows for straightforward installation using standard tools. Constructed with a metal housing finished in steel, this sensor is built to withstand the harsh environment of the exhaust system. The overall length of 16.3 inches and a sealing surface to connector length of 15.2 inches provide compatibility with the designated Nissan and INFINITI models.

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring compatibility and performance consistent with factory-installed parts. This product line focuses on delivering precise sensor readings and durability, making it suitable for emission control systems in specific vehicle applications. The 15955 part number is part of this line, offering a direct replacement solution for Nissan and INFINITI models requiring a narrow-band heated oxygen sensor.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper fuel mixture control
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves engine performance and fuel efficiency by providing correct data to the ECU
  • Reduces harmful emissions by ensuring proper catalytic converter function
  • Prevents drivability issues caused by faulty oxygen sensor readings

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Bosch 15955 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket or wrench for proper tightening. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The male oblong connector with blade terminals should be securely connected to the vehicle’s wiring harness. No mounting bracket is included, so use the existing mounting points on the vehicle.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and are designed for durability and reliable operation. This part is a standard replacement grade sensor, engineered to match OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components to ensure customer confidence in product reliability.

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001INFINITIG202.0LL4UpstreamActual OE Oxygen Sensor
2001INFINITII303.0LV6Upstream FrontActual OE Oxygen Sensor
2001INFINITIQX43.5LV6Upstream RightActual OE Oxygen Sensor
2001NissanMaxima3.0LV6Upstream LeftActual OE Oxygen Sensor
2001NissanSentra1.8LL4Upstream RightEarly Production; Except Super Ultra Low Emission Vehicle (SULEV); Actual OE Oxygen Sensor
2000INFINITIG202.0LL4UpstreamActual OE Oxygen Sensor
2000INFINITII303.0LV6Upstream FrontActual OE Oxygen Sensor
2000NissanMaxima3.0LV6Upstream Leftwith California Emission System; Actual OE Oxygen Sensor
2000NissanSentra1.8LL4Upstream RightExcept 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.