ACDelco 216-64 GM Original Equipment Ignition Knock (Detonation) Sensor Module 721830394120 Model: 77078

Model: 77078

A single silence and test button eliminates confusion and allows you to silence and test the alarm easily

Nailhead trim at the edges

it comes with a handle for portability

Manufacturer's limited 30-day warranty

ACDelco 216-64 GM Original Equipment Ignition Knock (Detonation) Sensor Module 721830394120 Model: 77078GM 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 ACDelco GM Original Equipment Ignition Knock (Detonation) Sensor Module is a GM recommended replacement component for one or more of the following vehicle systems: ignition, and or engine fuel management. This original equipment module will provide