Buick Excelle 1.6-1.8 and Aveo Carbon Canister Vacuum Solenoid Valve 55574240 55353802 OEM Direct Installation

If your vehicle has difficulty starting, rough idle, acceleration issues, or fuel smell near the fuel tank cap, the charcoal canister purge vacuum solenoid valve may be aging or sticking; it fails to correctly control vapor recovery. This solenoid opens precisely during engine operation to draw fuel vapors from the canister into the intake manifold for burning, reducing emissions and improving fuel economy. OEM number 55574240; perfectly fits Buick Excelle (Verano/Terra) 1.6-1.8 and Opel models; factory spec direct install. Disconnect battery negative before installation; arrow direction must align with gas flow; avoid reverse installation.