Positive Crankcase Ventilation (PCV) Valve — Part Number 1220411040. A directfit replacement component designed to restore proper crankcase ventilation, reduce blowby gases, and help maintain engine performance and emissions control. Key benefits Restores correct crankcase ventilation to reduce oil contamination, smoke, and strong oil smells. Helps stabilize idle and improve throttle response by eliminating vacuum leaks and excess crankcase pressure. Reduces oil leaks and oil consumption caused by a stuck or leaking PCV valve. Directfit unit that replaces worn or failed valves quickly, minimizing downtime. Primary features and attributes Functionality: Positive crankcase ventilation valve that controls flow from the crankcase to the intake manifold to manage blowby gases and crankcase pressure. Compatibility: Supplied as part number 1220411040. Confirm this part number matches your vehicle's required PCV valve before . Construction: Precisionengineered valve designed for reliable sealing and operation under normal engine conditions. Performance: Designed to open and close as engine vacuum changes, maintaining proper ventilation and pressure balance for consistent performance. Size and fit: Compact, vehiclespecific form factor intended as a direct replacement for the 1220411040 unit; fits into the original mounting and hose connections without modification. Typical applications and use cases Routine maintenance: the PCV valve during scheduled service intervals to prevent sludge buildup, maintain fuel economy, and extend engine life. Diagnose and fix symptoms: when experiencing rough idle, oil consumption, oil leaks around gaskets, or a check engine light related to crankcase ventilation codes. Engine repairs and gasket work: Install a PCV valve when replacing the valve cover gasket or performing engine reassembly to ensure proper sealing and operation. Installation and maintenance notes Installation is generally straightforward: remove the old valve, inspect hoses and fittings for wear, and install the 1220411040 unit in the same orientation. Inspect connecting hoses and grommets; any brittle or cracked components to ensure an airtight system. If engine codes or symptoms persist after replacement, inspect related vacuum lines and the intake system. guidance Verify that part number 1220411040 is the correct PCV valve for your vehicle before ordering. Consider replacing related seals or hoses at the same time for a complete . A simple, dependable replacement for a failed PCV valve—1220411040 helps restore proper crankcase ventilation, reduce emissions and oilrelated problems, and engine idle and performance to normal.