Bosch 15897 Oxygen Sensor - Downstream

Overview of Bosch Engineered Oxygen Sensor 15897

The Bosch Engineered Oxygen Sensor 15897 is designed specifically for select Chevrolet, Pontiac, and Saturn models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Chevrolet Cobalt, Pontiac G5, Saturn Ion, Vue, and other models
• Heated narrow-band oxygen sensor for precise air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 27-inch wiring harness with a 4-wire configuration and male square connector
• Durable metal housing finished in steel for long-lasting performance

Detailed Product Features and Specifications

This Bosch Engineered Oxygen Sensor 15897 features a 4-wire heated design that improves sensor response time and durability. The sensor’s narrow-band type is optimized for emission control systems requiring precise oxygen level detection. It comes with a 27-inch wiring harness and a male square connector with four terminals, ensuring a secure and specific fit. The sensor mounts via a threaded connection with an 18 mm diameter and 22 mm hex size, compatible with the exhaust system of Chevrolet Cobalt, Pontiac G5, Saturn Ion, and other listed models.

The sensor’s metal housing and steel finish provide resistance to harsh engine conditions, while the overall length of approximately 30.7 inches allows for proper installation and connection. This part is a standard replacement grade, designed to meet OEM specifications for reliable operation.

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emission control components engineered to meet specific vehicle requirements. This product line emphasizes quality construction, accurate sensor readings, and compatibility with factory wiring harnesses. The 15897 sensor exemplifies these qualities by offering a heated narrow-band design tailored for select GM vehicles, ensuring proper engine management and emissions compliance.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by providing precise exhaust gas data
• Prevents engine performance problems caused by faulty oxygen sensors
• Ensures proper operation of catalytic converters and emission systems

Installation Notes and Tips

• Verify compatibility with Chevrolet Cobalt, Pontiac G5, Saturn Ion, Vue, and other listed models before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Ensure the wiring harness is securely connected to avoid signal interruptions
• Do not overtighten the threaded sensor; follow manufacturer torque specifications
• Inspect the mounting area for damage or corrosion prior to installation

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15897 is manufactured to meet OEM standards for fit, form, and function. It is constructed with durable materials to withstand engine heat and exhaust conditions. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure product reliability.