GM 12589867 KNOCK SENSOR SUITS LS1 V8 Wagon R Double fleece-lined hood

Double fleece-lined hood

These catch cans are powder coated in high gloss black

Oil pan must have a minimum depth of 1

The secondary pressure relief valve can sometimes get stuck

GM 12589867 KNOCK SENSOR SUITS LS1 V8 Wagon R Double fleece-lined hoodACDelco GM Genuine Parts knock sensors are the GM recommended replacement for the vehicles original component. They monitor the engine for pinging or spark knock. The sensors create a voltage signal based on the vibrations caused by erratic air fuel mixture combustion. The engine control module then uses that signal to adjust the ignition timing and air fuel mixture. These GM Genuine Parts knock sensors have been manufactured to fit your GM vehicle,