Bosch 15937 Oxygen Sensor - Downstream

Overview of Bosch Actual OE Oxygen Sensor 15937

The Bosch Actual OE Oxygen Sensor 15937 is designed specifically for Nissan Altima models, providing precise emission control and engine performance monitoring. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine efficiency.

• Specific fit for Nissan Altima vehicles
• Heated narrow-band oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 15.2-inch wiring harness with 4 wires and blade terminals
• Durable metal housing with steel finish
• Square male connector with 4 terminals
• Standard replacement grade for reliable performance

Detailed Features and Specifications

This Bosch oxygen sensor (part number 15937) features a 15.2-inch wiring harness that includes four wires terminated with blade-style terminals, ensuring secure electrical connections. The sensor is a narrow-band heated type, which allows it to reach operating temperature quickly for accurate emissions readings. It mounts via a threaded design with an 18 mm thread diameter and a 22 mm hex size for installation using standard tools. The sensor housing is constructed from metal with a steel finish, providing durability under high-temperature conditions. The connector is a square-shaped male type with four terminals, matching the specific wiring requirements of Nissan Altima models.

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, offering a direct replacement solution for emission control sensors. This product line focuses on precise fitment and reliable sensor performance, ensuring compatibility with specific vehicle makes and models like the Nissan Altima. The sensors in this line are designed to maintain factory-level emissions control and engine management accuracy.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for engine control
• Resolves check engine light issues related to oxygen sensor faults
• Improves fuel efficiency by providing correct emissions data
• Reduces harmful exhaust emissions by maintaining sensor accuracy
• Prevents engine performance problems caused by faulty sensors

Installation Notes and Tips

When installing the Bosch 15937 oxygen sensor on a Nissan Altima, ensure the threaded mounting hole is clean and free of debris. Use a 22 mm wrench or socket to tighten the sensor securely without over-torquing. The 15.2-inch wiring harness with a square male connector should be connected firmly to the vehicle’s wiring harness to avoid electrical issues. Since this is a heated sensor, verify the heater circuit is functioning properly during installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The Actual OE Oxygen Sensor 15937 is a standard replacement grade part designed to match OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.