Bosch 17270 Oxygen Sensor - Downstream or Upstream

Overview of Bosch Actual OE Oxygen Sensor 17270

The Bosch Actual OE Oxygen Sensor 17270 is designed for precise emission control in select Audi, Hyundai, Kia, and Volkswagen vehicles. This heated, wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated wide-band oxygen sensor for accurate emissions monitoring
• Specific fit for Audi A3, Volkswagen Golf R, Hyundai Elantra, Kia Forte, and related models
• 20.3-inch wiring harness with oblong male connector included
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish and 5-wire configuration

Detailed Product Features and Specifications

This Bosch oxygen sensor features a heated element to reduce warm-up time and improve sensor response. The 5-wire design with a 6-terminal male blade connector ensures reliable electrical connections. The sensor is a wide-band type, providing precise air-fuel ratio data critical for modern engine management systems. The wiring harness length of 20.3 inches and overall length of 23.6 inches allow for proper installation in compatible vehicles. The sensor mounts via a threaded 18 mm diameter fitting and requires a 22 mm hex wrench for installation. The metal housing and steel finish provide durability under high-temperature exhaust conditions.

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications for emission control sensors. This product line focuses on delivering reliable, direct-fit oxygen sensors that maintain factory performance standards. The 17270 sensor is part of this line, ensuring compatibility and quality for specific Audi, Hyundai, Kia, and Volkswagen models.

Compatible Vehicles and Common Applications

• Emission control sensor replacement for Audi A3, A3 Quattro, and TT Quattro
• Suitable for Volkswagen Golf R, GTI, Jetta, Passat, Passat CC, and Eos
• Fits Hyundai Elantra, Elantra Coupe, Elantra GT, and Kia Forte, Forte5, Forte Koup, and Soul
• Used to address issues such as poor fuel economy, rough idling, and failed emissions tests
• Helps resolve check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use a 22 mm oxygen sensor socket or wrench for installation
• Verify connector type and wiring harness length for proper fitment
• Do not overtighten the sensor; torque to manufacturer specifications
• Inspect wiring and connectors for damage before installation

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The Actual OE Oxygen Sensor 17270 is a standard replacement part designed to match OEM specifications. Warranty coverage details should be confirmed with the original purchase source.