Bosch 13404 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Kia Sephia, Spectra, and Sportage

The Bosch Actual OE Oxygen Sensor 13404 is designed specifically for select Kia models, including the Sephia, Spectra, and Sportage. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Brand: Bosch
• Part Number: 13404
• Wiring Harness Length: 12.6 inches
• Connector Shape: Rectangle with male terminals
• Wire Quantity: 4 wires with blade terminal type
• Mounting Type: Threaded with 18 mm thread diameter
• Heated Narrow-band Oxygen Sensor
• Overall Length: 16.3 inches
• Housing Material: Metal with steel finish
• Compatible with Kia Sephia, Spectra, and Sportage

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line focuses on delivering direct replacement sensors that meet original equipment specifications. This ensures compatibility and reliable performance for vehicles requiring specific fit sensors. The 13404 sensor is part of this line, providing a standard replacement option with a heated narrow-band design to maintain proper emissions control and engine efficiency.

Detailed Product Description

This Bosch oxygen sensor features a 4-wire heated design with a blade terminal type and a rectangular male connector, facilitating straightforward installation and secure electrical connections. The sensor’s threaded mounting type with an 18 mm thread diameter allows for a precise fit in the exhaust system of Kia Sephia, Spectra, and Sportage models. The wiring harness length of 12.6 inches and overall length of 16.3 inches provide adequate reach for proper placement. Constructed with a durable metal housing finished in steel, this sensor is built to withstand harsh operating conditions.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine performance
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Prevents poor fuel economy caused by faulty sensor readings
• Eliminates rough idling or engine hesitation linked to sensor failure

Installation Notes and Tips

When installing the Bosch 13404 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use a 22 mm hex socket for proper tightening without damaging the sensor. Confirm the connector orientation matches the vehicle’s wiring harness to avoid connection issues. Since this is a specific fit sensor for Kia Sephia, Spectra, and Sportage models, verify vehicle compatibility before installation. The included wiring harness simplifies the replacement process.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable operation and durability. The Actual OE Oxygen Sensor line provides a standard replacement grade sensor that aligns with original equipment specifications. While specific warranty details are not provided here, Bosch typically offers coverage against manufacturing defects for their sensors. Always consult product documentation or the vehicle manufacturer for warranty information.