The Carquest Premium PCA1034 PCV Valve is a high-quality engine part designed for car and truck replacement. This straight-up threaded PCV valve with a 0.39 inch outlet end outside diameter is a performance part that ensures proper ventilation of the engine. With a hose connector quantity of 1, this OE/OEM part number PCA1034 is a reliable choice for maintaining the optimal functioning of your vehicle's valvetrain system.