APDTY 100011 Evap Emissions Vapor Canister Vent Valve Solenoid w/Harness Connector For 07-09 Buick Allure / 07-09 Buick Lacrosse / 07-13 Chevy Impala / 07 Chevy Monte Carlo / 07-08 Pontiac Grand Prix Commonly Needed To Repair Check Engine Light With PO455 Used To Repair Diagnostic Trouble Code PO455 Large Evap Leak This Is A Factory Original Part Designed By General Motors Includes The Wiring Harness Pigtail Adapter Connector Latest General Motors Design