The Walker Products Ignition Knock (Detonation) Sensor (part number 242-1079) is a direct-fit replacement for 1996-2002 Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles with 4.6L, 5.7L, and 4.0L 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:
- 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.
- 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.
- 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 | Circle |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 1996-2002 Cadillac, Chevrolet, Oldsmobile, and Pontiac models including DeVille, Eldorado, Seville, Camaro, Corvette, Aurora, Intrigue, and Firebird — 4.6L, 5.7L, and 4.0L 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: Wells SU1098, NTK ID0110, Delphi AS10011, SMP KS63, BWD S8631, General Motors 10456222, Airtex 5S2165, ACDelco 213-298
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.
