Bosch 18052 Oxygen Sensor - Upstream or Upstream Right

Reliable Oxygen Sensor for Audi, Dodge, Fiat, and Hyundai Vehicles

The Bosch Validated Oxygen Sensor 18052 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. This heated, wide-band oxygen sensor is compatible with specific models from Audi, Dodge, Fiat, and Hyundai, ensuring precise fitment and reliable operation.

• Heated wide-band oxygen sensor for faster response times
• Specific fit for Audi A5 Quattro, A6, A7 Quattro, Q5, Q7, S4, S5, SQ5, Dodge Dart, Fiat 500, Hyundai Elantra, Genesis Coupe, Sonata
• 23.6-inch wiring harness with 5 wires and blade terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish and male rectangular connector
• Standard replacement grade with included wiring harness

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor line is engineered to meet stringent OEM specifications, providing reliable emissions control and engine management. This product line focuses on delivering sensors that have been tested and validated for specific vehicle applications, such as the Bosch 18052 sensor, which supports a range of Audi, Dodge, Fiat, and Hyundai models. These sensors help maintain optimal engine efficiency and comply with emissions standards.

Product Details and Specifications

The Bosch 18052 oxygen sensor features a heated wide-band design that allows for quicker sensor warm-up and more accurate air-fuel ratio measurements. It includes a 23.6-inch wiring harness with 5 wires and blade-type terminals, ensuring secure electrical connections. The sensor mounts via a threaded 18 mm diameter fitting and uses a 22 mm hex size for installation. The metal housing with a steel finish provides durability under harsh engine conditions. The connector is a male rectangular type with 6 terminals, designed for specific vehicle compatibility. This sensor is a standard replacement part, making it suitable for maintaining factory performance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper fuel mixture control
• Resolves check engine light codes related to oxygen sensor failure
• Improves fuel efficiency by providing precise air-fuel data
• Reduces harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Bosch 18052 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory specifications. Avoid damaging the sensor tip or wiring during installation. No mounting bracket is included, so use the existing mounting location. Proper torque on the threaded fitting is essential to prevent exhaust leaks.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 18052 is manufactured to meet OEM standards for durability and performance. Bosch provides a limited warranty covering defects in materials and workmanship, ensuring confidence in the sensor’s reliability for emission control applications.