Global Parts 1815058 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for Audi RS3 and TT RS Quattro

Global Parts 1815058 is an ignition knock sensor for select Audi performance models. It monitors engine vibration at the block, cylinder head, or intake manifold and sends the signal needed to detect pre-ignition or detonation.

Built with a female oval connector, 2 terminals, and blade-style terminals, this sensor matches the electrical connection details used on the listed applications. Global Parts 1815058 is a direct-fit option for 2018-2019 Audi RS3 and 2019-2021 Audi TT RS Quattro with a brown connector.

Key Features

• Ignition knock sensor for engine detonation monitoring
• Female oval connector with 1 connector and 2 terminals
• Blade terminal design for the specified OE-style connection
• Fits 2018-2019 Audi RS3, N/A, w/Brown connector
• Fits 2019-2021 Audi TT RS Quattro, N/A, w/Brown connector
• Global Parts 1815058 cross-references 5S16216 and 07K905377J for the same application

Detailed Description

The knock sensor is a critical engine management component that helps the ECU identify abnormal combustion events by sensing vibration changes in the engine assembly. On the Audi RS3 and Audi TT RS Quattro, the correct sensor and connector style matter for accurate signal transfer and proper fitment. Global Parts 1815058 is specified for vehicles with the brown connector and is listed for 2018-2019 Audi RS3 and 2019-2021 Audi TT RS Quattro applications.

Use Global Parts 1815058 when replacing a failed knock sensor on these Audi models and when matching the OE connector configuration is required. This part number is also referenced as 1815058 in service and catalog searches.

What It Helps Address

• Knock sensor fault codes
• Unstable ignition timing caused by incorrect detonation feedback
• Engine noise-related sensor signal errors
• Check engine light concerns tied to knock sensor performance
• Driveability issues related to pre-ignition detection

Installation Notes and Tips

Verify the connector color and shape before installation, especially on Audi RS3 and Audi TT RS Quattro models. Confirm the sensor location on the engine block, cylinder head, or intake manifold and inspect the harness connector for corrosion, bent terminals, or damaged locking tabs. Compare the old sensor’s connector style and terminal count to Global Parts 1815058 before final installation.

Quality Assurance

Global Parts supplies this knock sensor as an OE-style replacement for the listed Audi applications. Part number 1815058 is cataloged for direct application matching with the specified connector configuration and cross-reference numbers.