Bosch 15949 Oxygen Sensor - Downstream

Overview of Bosch Actual OE Oxygen Sensor 15949

The Bosch Actual OE Oxygen Sensor 15949 is designed specifically for Nissan Altima models, providing precise air-fuel mixture readings to optimize engine performance and emissions control. This narrow-band heated oxygen sensor ensures accurate feedback to the vehicle’s engine control unit for efficient combustion.

• Compatible with Nissan Altima vehicles
• Part number 15949 for exact fitment
• Narrow-band heated oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 4-wire configuration with blade terminals
• Wiring harness length of 8.1 inches included
• Steel housing with 22 mm hex size for installation
• Male square connector with 4 terminals
• Overall length of 11.8 inches for proper fit

Detailed Product Description

This Bosch oxygen sensor is a standard replacement part engineered to meet the specifications of the Nissan Altima’s emission control system. The sensor features a heated narrow-band design, which allows it to reach operating temperature quickly for accurate oxygen level detection. The metal housing and threaded mounting ensure durability and secure installation. The 4-wire harness with blade terminals and a male square connector provides reliable electrical connections. With a wiring harness length of 8.1 inches and an overall length of 11.8 inches, this sensor fits precisely in the designated location without modification.

The Bosch Actual OE Oxygen Sensor product line focuses on delivering original equipment quality and fitment, ensuring that each sensor matches the exact specifications of the vehicle manufacturer. This line is intended for direct replacement, maintaining the integrity of the vehicle’s emission system and engine management.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio readings for Nissan Altima
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and pass vehicle inspections
• Eliminates rough idling and poor fuel economy caused by sensor failure
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure vehicle compatibility with Nissan Altima models before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Threaded mounting requires proper torque to avoid damage
• Verify connector type and terminal count for correct electrical connection
• Inspect wiring harness for damage and secure routing to prevent interference

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, providing reliable performance and durability. The Actual OE Oxygen Sensor 15949 is tested to ensure compatibility and function with Nissan Altima vehicles. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to support long-term use.