ACDelco Ignition Knock Sensor 213-4335

The ACDelco GM Original Equipment Ignition Knock (Detonation) Sensor is designed to monitor the engine for pinging or spark knock. It serves as a GM-recommended replacement for your vehicle’s original component. This sensor generates a voltage signal based on vibrations caused by erratic air/fuel mixture combustion, allowing the engine control module to adjust ignition timing and air/fuel mixture accordingly. Manufactured to meet GM OE specifications, it ensures the same performance, durability, and service life expected from General Motors. • GM-recommended replacement part for your GM vehicle’s original factory component • Offers the quality, reliability, and durability of GM OE • Manufactured to GM OE specification for fit, form, and function • Monitors engine for pinging or spark knock • Creates a voltage signal based on vibrations from combustion