The Walker Products Ignition Knock (Detonation) Sensor (part number 242-1125) is a direct-fit replacement for 2000-2002 Audi and Volkswagen vehicles with 1.8L, 2.8L, and 2.0L engines. Walker Products Knock Sensors are OE Replacement components that detect engine detonation to help the ECU adjust timing and prevent internal engine damage.
Features:
- Restores Ignition Timing Accuracy:Â Supports optimal fuel efficiency, performance, and emissions by correcting spark advance during knock conditions.
- OE Replacement Sensitivity:Â Calibrated to match factory frequency response and output for seamless ECU integration and spark control.
- Built for Harsh Environments:Â Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.
- Exact OE Fit: Installs directly into original mounting locations using factory connectors and threads—no modifications required.
- Detects Engine Knock:Â Monitors vibration frequencies to detect detonation and prevent pre-ignition engine damage.
Specifications:
| Number of Terminals | 3 |
| Connector Type | Blade |
| Connector Shape | Oblong |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 2000-2002 Audi and Volkswagen models including TT, TT Quattro, Golf, and Jetta — 1.8L, 2.8L, and 2.0L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Audi 06A905377C, VEMO V10-72-0937, Hella 009108391, Hoffer Products 7517764, Fispa 83.3068, NTK ID0227, ERA 550681, Werner Metzger GmbH 0907044 and 12 more
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
