The Walker Products Ignition Knock (Detonation) Sensor (part number 242-1107) is a direct-fit replacement for 1995-2005 Lexus and Toyota vehicles with 4.7L, 1.8L, and 1.6L 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:
- Built for Harsh Environments:Â Engineered to resist heat, vibration, and oil exposure for long-lasting signal reliability.
- Restores Ignition Timing Accuracy:Â Supports optimal fuel efficiency, performance, and emissions by correcting spark advance during knock conditions.
- Detects Engine Knock:Â Monitors vibration frequencies to detect detonation and prevent pre-ignition engine damage.
- 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.
Specifications:
| Number of Terminals | 1 |
| Connector Type | Blade |
| Connector Shape | Square |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 1995-2005 Lexus and Toyota models including GX470, LX470, 4Runner, Celica, Corolla, Land Cruiser, Prius, Sequoia and more — 4.7L, 1.8L, and 1.6L 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: Echlin DKS636, ERA 551354, Herth+Buss J5672007, Lexus 8961512030, Lexus 8961522050, Lexus 8961552010, Wells SU5374, SMP KS186 and 8 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.
