Dorman 42049 PCV Valve Grommet

Reliable PCV Valve Grommet for Ford, Lincoln, and Mercury Vehicles

The Dorman 42049 PCV Valve Grommet is designed to provide a secure and durable seal for the positive crankcase ventilation system in select Ford, Lincoln, and Mercury models. Made from high-quality rubber, this grommet ensures proper fit and function to maintain emission control system integrity.

• Constructed from durable rubber material for long-lasting performance
• Inside diameter of 0.71 inches for precise fit
• Thickness of 0.49 inches to ensure a tight seal
• Outside diameter measures 1.44 inches for compatibility with OEM specifications
• Push-on attachment method for easy installation
• Compatible with a wide range of Ford, Lincoln, and Mercury models including Aerostar, Bronco, Mustang, and more

Detailed Product Description

The Dorman 42049 PCV Valve Grommet is engineered to meet the exacting standards required for emission control hardware. Its rubber construction provides flexibility and resistance to heat and oil exposure, which are common in engine compartments. The grommet’s dimensions—0.71 inches inside diameter, 0.49 inches thickness, and 1.44 inches outside diameter—are designed to match factory specifications, ensuring a secure fit on PCV valves. The push-on attachment method simplifies installation, reducing the risk of leaks or disconnections that can affect engine performance and emissions.

Applications and Common Issues Addressed

• Prevents vacuum leaks in the PCV system
• Eliminates oil leaks around the PCV valve connection
• Maintains proper crankcase ventilation to reduce engine emissions
• Helps avoid rough idling caused by faulty PCV valve seals
• Prevents contamination of the intake manifold from crankcase vapors

Installation Notes and Tips

Before installing the Dorman 42049 PCV Valve Grommet, ensure the PCV valve and surrounding area are clean and free of debris. The push-on design allows for straightforward installation without special tools. Gently press the grommet onto the valve stem until fully seated. Verify the grommet is snug and properly aligned to prevent leaks. This part is compatible with various Ford, Lincoln, and Mercury models such as the Mustang, Bronco, and Town Car, so confirm fitment with your specific vehicle model and year.

Quality Assurance and Warranty

Dorman manufactures the 42049 PCV Valve Grommet to meet or exceed OEM standards for emission control components. The rubber material is selected for durability and resistance to engine environment conditions. While specific warranty details may vary, Dorman typically offers coverage against defects in material and workmanship to ensure reliable performance in your Ford, Lincoln, or Mercury vehicle.