Bosch 13378 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Volvo 940 Emission Control

The Bosch Actual OE Oxygen Sensor 13378 is designed specifically for the Volvo 940, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to help maintain your vehicle’s emission standards.

• Specific fit for Volvo 940 models
• Heated narrow-band oxygen sensor for faster response
• Threaded mounting type with 18 mm thread diameter
• Includes a 71.1-inch wiring harness with a rectangular male connector
• Standard replacement grade with metal housing and steel finish
• 4 terminals with blade-type male terminals for secure connection
• Overall length of 74.8 inches for proper installation

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line focuses on delivering direct-fit replacement sensors that meet original equipment specifications. This ensures compatibility and reliable performance for emission control systems. The 13378 sensor maintains Bosch’s commitment to quality and precision, providing a dependable solution for Volvo 940 owners requiring a standard replacement oxygen sensor.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate air-fuel ratio monitoring. The sensor’s metal housing and steel finish provide durability under harsh engine conditions. It includes a 71.1-inch wiring harness with a rectangular male connector and four blade-type male terminals, ensuring a secure and specific fit for the Volvo 940. The threaded mounting type with an 18 mm thread diameter allows for straightforward installation without modifications.

Common Issues Addressed by This Oxygen Sensor

• Engine performance problems due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy caused by inefficient combustion
• Rough idling or hesitation during acceleration

Installation Notes and Tips

When installing the Bosch 13378 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use a 22 mm hex socket for proper tightening. Avoid over-tightening to prevent damage to the sensor or mounting threads. The wiring harness length of 71.1 inches provides ample reach for connection to the vehicle’s wiring system. Confirm the rectangular male connector aligns correctly with the vehicle’s harness to ensure a secure fit.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 13378 is a standard replacement part designed to meet or exceed OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.