Bosch 15757 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Reliable Oxygen Sensor for Nissan and INFINITI Vehicles

The Bosch Actual OE Oxygen Sensor 15757 is designed specifically for select Nissan and INFINITI models, including the 200SX, 240SX, Altima, Q45, and Sentra. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Brand: Bosch
• Brand Line: Actual OE Oxygen Sensor
• Part Number: 15757
• Wiring Harness Length: 7.7 inches
• Terminal Type: Blade with 4 terminals
• Connector Shape: Square, Male connector
• Overall Length: 11.4 inches
• Mounting Type: Threaded with 18 mm thread diameter
• Heated Narrow-band Oxygen Sensor
• Housing Material: Metal with steel finish
• Wiring Harness Included

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch is engineered to meet original equipment specifications for precise fit and function. This product line focuses on delivering standard replacement sensors that maintain factory performance standards, ensuring compatibility and reliability for specific vehicle applications such as Nissan and INFINITI models.

Detailed Product Description

The Bosch 15757 oxygen sensor is a narrow-band heated sensor designed to provide accurate air-fuel mixture readings to the engine control unit. Featuring a 7.7-inch wiring harness and a 4-terminal blade connector with a square shape, this sensor offers a secure and precise electrical connection. The threaded mounting type with an 18 mm diameter allows for straightforward installation in the exhaust system. Constructed with a durable metal housing and steel finish, it withstands harsh operating conditions. The included wiring harness simplifies replacement, making it a direct fit for Nissan 200SX, 240SX, Altima, Q45, and Sentra models.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper air-fuel ratio
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use a 22 mm hex socket for sensor removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory setup. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. No mounting bracket is included, so use the existing exhaust port for installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and provide reliable performance. The Actual OE Oxygen Sensor 15757 is a standard replacement part designed to match OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure customer confidence in the product.