Ensure proper ventilation and emission control with the Dorman HELP! 42055 PCV Valve Mounting Grommet. This durable grommet is designed to fit seamlessly with your vehicle's PCV valve, providing a reliable seal to prevent leaks and ensure optimal performance. Crafted with precision in Taiwan, the grommet is compatible with various models, referencing the manufacturer part number 42055 or interchange part numbers 420553 and 9776721. It's an essential component for maintaining your car's exhaust and emission systems, offering a straightforward installation process for peace of mind driving.