The Walker Products Ignition Knock (Detonation) Sensor (part number 242-1058) is a direct-fit replacement for 2002-2026 Lexus, Pontiac, Scion, and Toyota vehicles with 1.8L, 2.5L, and 3.3L 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:
- Detects Engine Knock:Â Monitors vibration frequencies to detect detonation and prevent pre-ignition engine damage.
- 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.
- Exact OE Fit: Installs directly into original mounting locations using factory connectors and threads—no modifications required.
- Built for Harsh Environments:Â Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.
Specifications:
| Number of Terminals | 2 |
| Connector Type | Blade |
| Connector Shape | Rectangle |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 2002-2026 Lexus, Pontiac, Scion, and Toyota models including CT200h, ES250, ES300h, ES330, ES350, GS F, GS200t, GS300 and more — 1.8L, 2.5L, and 3.3L 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: NTK ID0215, ERA 550567, ERA 550589, General Motors 88971397, Standard Import 70031, Lexus 8961502020, Lexus 8961506010, Meat & Doria 875000 and 23 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.
