Bosch 13878 Oxygen Sensor - Downstream or Upstream

Overview of Bosch Engineered Oxygen Sensor 13878

The Bosch Engineered Oxygen Sensor 13878 is designed specifically for Mini Cooper models, providing precise air-fuel mixture readings to optimize engine performance and emissions control. This narrow-band heated oxygen sensor ensures reliable operation with its durable metal housing and threaded mounting type.

• Compatible with Mini Cooper vehicles
• Part number 13878 for exact fitment
• Narrow-band heated oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 21.9-inch wiring harness length with 4 wires and blade terminals
• Oblong male connector with 4 terminals
• Standard replacement grade with steel finish
• Overall length of 25.6 inches for proper installation

Detailed Product Description

The Bosch Engineered Oxygen Sensor 13878 is a specific fit oxygen sensor designed to meet the emission control requirements of Mini Cooper vehicles. Featuring a narrow-band heated sensor, it accurately measures oxygen levels in the exhaust gases to help maintain optimal engine efficiency and reduce harmful emissions. The sensor includes a 21.9-inch wiring harness with four wires and blade-type terminals, ensuring secure electrical connections. Its oblong male connector with four terminals matches the factory specifications for a seamless replacement.

Constructed with a metal housing and finished in steel, this sensor offers durability and resistance to harsh engine conditions. The threaded mounting type with an 18 mm thread diameter allows for straightforward installation. The overall length of 25.6 inches and a sealing surface to connector length of 24.4 inches provide the necessary reach for proper fitment in the Mini Cooper exhaust system.

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor product line focuses on delivering precise and reliable emission control components tailored to specific vehicle applications. This line emphasizes quality construction and exact fitment, ensuring that sensors like the 13878 meet OEM standards for performance and durability. By using Bosch Engineered Oxygen Sensors, technicians can maintain factory-level emission control and engine management accuracy.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Mini Cooper models
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces increased emissions caused by sensor malfunction
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate exhaust gas readings

Installation Notes and Tips

• Ensure vehicle compatibility with Mini Cooper models before installation
• Use a 22 mm hex socket for sensor removal and installation
• Do not overtighten; follow manufacturer torque specifications for the 18 mm threaded sensor
• Inspect wiring harness and connector for damage before installation
• Verify proper connector engagement with the oblong male connector

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13878 is manufactured to meet stringent quality standards, ensuring reliable performance and durability. This standard replacement grade sensor is backed by Bosch's commitment to quality, providing confidence in its fit and function. Warranty details should be confirmed with the product supplier or manufacturer documentation.