Keep your engine running clean and efficient with the VANLISON PCV Check Valve and Grommet Assembly. Designed as a direct replacement for Chevrolet Cruze, Sonic, Aveo, Pontiac G3, and Saturn Astra models with 1.8L engines, this valve helps regulate crankcase pressure and prevents oil vapors from harming engine performance.

Constructed from high-grade materials resistant to heat and oil exposure, this check valve matches the fit and function of original factory parts, including OE numbers 55558118, 55558673, and 55564395. It installs quickly into the valve cover (camshaft rocker cover) and restores proper Positive Crankcase Ventilation (PCV) operation—critical for reducing oil consumption, minimizing emissions, and maintaining engine responsiveness.

Whether you're a DIY enthusiast or a professional technician, you'll appreciate the precision fit and reliability built into every VANLISON PCV valve. We include all necessary components for a complete replacement, so you can tackle the job with confidence.

Backed by a 90-day warranty and responsive customer service, VANLISON stands behind the quality and compatibility of every part we sell. Don't let a failing PCV valve affect your drive—upgrade today and restore your vehicle's engine performance.