Bosch 17458 Oxygen Sensor - Upstream

Bosch Actual OE Oxygen Sensor for Porsche 911

Bosch 17458 is an Actual OE oxygen sensor built for precise air-fuel-ratio feedback to the ECU. It supports stable combustion control and emissions management for the 2014-2019 Porsche 911, Upstream application.

Key Features

• Specific-fit oxygen sensor for the 2014-2019 Porsche 911, Upstream
• Heated sensor design for faster closed-loop operation
• Wide band oxygen sensor type with narrow-band sensor designation
• Threaded mounting with 18 mm thread diameter and 22 mm hex size
• Oblong male connector with 6 terminals and included wiring harness
• Steel finish with metal housing for high-temperature service
• Bosch part number 17458 for direct catalog identification

Detailed Description

Bosch 17458 is part of Bosch’s Actual OE Oxygen Sensor line, which draws on decades of original equipment development. Bosch pioneered early oxygen sensor technology and later advanced planar narrowband designs to improve light-off speed, lambda accuracy, and closed-loop response. This sensor uses advanced ceramic elements, controlled heating, and heat-resistant materials to maintain consistent signal quality under thermal and vibration stress.

For Porsche 911 owners searching for an upstream oxygen sensor for 2014-2019 models, Bosch 17458 provides OE-style fitment and signal behavior. It is a direct replacement choice for emissions control service where accurate exhaust feedback is needed to help the engine management system maintain proper mixture control. This part cross-references 9A160618801 for the same application.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio feedback to the ECU
• Delayed closed-loop fuel control after startup
• Rough combustion control caused by aging sensor response
• Emissions test failures tied to upstream sensor degradation

Installation Notes and Tips

Confirm the upstream location and connector style before installation. This Bosch 17458 sensor uses a threaded mount, 18 mm thread size, and a 22 mm hex, so the correct oxygen sensor socket or wrench is recommended. Inspect the harness routing and connector engagement carefully to avoid strain on the wiring during installation.

Fits 2014-2019 Porsche 911, Upstream. Bosch 17458 is a specific-fit replacement for this application and should be matched to the vehicle’s original connector and sensor configuration.

Quality Assurance

Bosch backs this oxygen sensor with OE development experience and materials selected for durability in demanding exhaust environments. The Actual OE Oxygen Sensor line is engineered to deliver the same type of signal accuracy and operating consistency expected from original equipment service parts.