Bosch 13120 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Ferrari and Volvo Models

The Bosch Actual OE Oxygen Sensor 13120 is designed specifically for select Ferrari and Volvo vehicles, including the Ferrari 348 GTB, 348 GTS, 348 Spider, 348 TB, 348 TS, 512 TR, and Volvo 850 and Mondial t models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance.

• Brand: Bosch, Brand Line: Actual OE Oxygen Sensor
• Part Number: 13120
• Wiring Harness Length: 32.2 inches
• Connector Shape: Rectangle/rectangle with male and female terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Heated narrow-band oxygen sensor with 4-wire configuration
• Overall length: 35.9 inches; wire length from sealing surface to connector end: 34.7 inches
• Metal housing with steel finish for durability
• Standard replacement grade for specific fitment
• Wiring harness included for direct installation

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch offers direct replacement sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for emission control systems. The 13120 sensor maintains precise air-fuel mixture readings, supporting efficient combustion and compliance with emission standards for Ferrari and Volvo vehicles.

Product Details and Specifications

This oxygen sensor features a narrow-band heated design with a 4-wire setup, allowing for faster sensor warm-up and accurate oxygen level detection. The threaded mounting type with an 18 mm diameter and 22 mm hex size facilitates secure installation. The wiring harness length of 32.2 inches and overall length of 35.9 inches provide sufficient reach for proper connection. The sensor’s metal housing and steel finish contribute to its durability under high-temperature conditions.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for emission control in Ferrari 348 and 512 TR models
• Improves fuel efficiency and engine performance in Volvo 850 and Mondial t vehicles
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful exhaust emissions by maintaining proper air-fuel ratio
• Eliminates rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Bosch 13120 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. The included wiring harness with male and female rectangular connectors simplifies electrical connections. Ensure the sensor is installed in the correct orientation and torque specifications are followed to avoid leaks or damage.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and are designed for long-term reliability. The Actual OE Oxygen Sensor 13120 is a standard replacement part that matches original equipment specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure customer confidence.