Global Parts 1815057 Ignition Knock (Detonation) Sensor
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Global Parts

Global Parts 1815057 Ignition Knock (Detonation) Sensor

Brand Global Parts 1815057
Terminal Type Blade
Connector Quantity 1
Connector Shape Oval
Terminal Quantity 2
Connector Gender Female
Fits Audi · 7 vehicles

Knock sensing sensor. Detects unusual engine vibrations from pre-ignition or detonation.

Blade terminal design. Uses a 2-terminal, female oval connector for a secure electrical connection.

Cross-references 5S16232, 07K905377H and 07K905377M for the same application. See all 4.

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Ignition Knock Sensor for Audi RS3 and TT RS

Global Parts 1815057 is an ignition knock sensor for select Audi performance models. It monitors engine vibration patterns associated with pre-ignition and detonation, helping the engine management system respond to abnormal combustion events.

  • Ignition knock (detonation) sensor for emission control and engine management systems
  • Blade terminal type with 2 terminals
  • 1 female oval connector
  • Black-connector applications noted for select Audi fitments
  • Cross-references Global Parts 1815057 for the same application

Fitment Details

Compatible With 2017 Audi RS3, N/A. Compatible With 2020 Audi RS3, N/A. Compatible With 2018-2019 Audi RS3, N/A, w/Black connector. Compatible With 2019-2021 Audi TT RS Quattro, N/A, w/Black connector.

This knock sensor is used on the engine block, cylinder head, or intake manifold, depending on the vehicle application. It detects unusual vibration signatures caused by engine knock so the control system can react to detonation-related conditions. For Audi RS3 and Audi TT RS Quattro applications, confirm the connector style and notes before ordering; part number 1815057 is listed for black-connector versions on select years.

Common Symptoms It May Address

  • Knock sensor fault codes
  • Rough running related to detonation detection
  • Reduced engine performance from incorrect knock input
  • Check engine light tied to ignition timing control
  • Unstable combustion feedback in the engine management system

Installation Notes

Verify the connector shape, connector gender, and terminal count against the original sensor before installation. The sensor location can vary by engine design, so inspect the mounting point on the engine block, cylinder head, or intake manifold and follow the vehicle service procedure for torque and routing requirements.

Quality Assurance

Global Parts 1815057 is built to match the listed OE-style application details for the specified Audi RS3 and TT RS Quattro fitments. Confirm year, model, and connector notes to ensure proper selection before installation.

Related reading

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2021AudiTT RS Quattro2.5LL5N/Aw/Black connector
2020AudiRS32.5LL5N/A—
2020AudiTT RS Quattro2.5LL5N/Aw/Black connector
2019AudiRS32.5LL5N/Aw/Black connector
2019AudiTT RS Quattro2.5LL5N/Aw/Black connector
2018AudiRS32.5LL5N/Aw/Black connector
2017AudiRS32.5LL5N/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5S1623207K905377H07K905377MES113707