The Walker Products Ignition Knock (Detonation) Sensor (part number 242-1042) is a direct-fit replacement for 1996-1997 Chrysler, Dodge, and Plymouth vehicles with 3.8L 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:
- Exact OE Fit: Installs directly into original mounting locations using factory connectors and threads—no modifications required.
- OE Replacement Sensitivity:Â Calibrated to match factory frequency response and output for seamless ECU integration and spark control.
- 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.
- 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 | Pin |
| Connector Shape | Oblong |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 1996-1997 Chrysler, Dodge, and Plymouth models including Town & Country, Caravan, Grand Caravan, Grand Voyager, and Voyager — 3.8L 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: KEM 144-607, Chrysler 4686135, Chrysler 4686243, Tomco Products 29063, Wells SU378, NTK ID0134, Delphi AS10079, SMP KS71 and 3 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.
