ACDelco 213-969 GM Original Equipment Ignition Knock (Detonation) Sensor 781723458667 Dirt and the Growth of

Dirt and the Growth of Mildew but Contains NO Silicone Oils or Petroleum Distillates

Sierra part number: 18-5656

it is available in a weathered gray finish

there is no need for scrubbing or harsh removers

ACDelco 213-969 GM Original Equipment Ignition Knock (Detonation) Sensor 781723458667 Dirt and the Growth ofGM recommended replacement part for your GM vehicle's original factory component Offering the quality, reliability, and durability of GM OE Manufactured to GM OE specification for fit, form, and function An ACDelco GM Original Equipment Ignition Knock (Detonation) Sensor monitors the engine for pinging or spark knock, and is a GM recommended replacement for your vehicle's original component. The sensor creates a voltage signal based on the vibrations