Dorman 42057 PCV Valve Grommet

Overview of Dorman PCV Valve Grommet 42057

The Dorman PCV Valve Grommet 42057 is a durable rubber component designed for emission control systems. Specifically engineered for Toyota models such as the 4Runner, Celica, Corolla, Corona, Cressida, Land Cruiser, and Pickup, this grommet ensures a secure and reliable seal for the PCV valve.

• Constructed from high-quality rubber for flexibility and durability
• Inside diameter of 0.42 inches for precise fitment
• Thickness of 0.62 inches to maintain proper sealing pressure
• Outside diameter of 1.15 inches for compatibility with OEM specifications
• Push-on attachment method for straightforward installation
• Package includes one PCV valve grommet

Detailed Product Description

The Dorman PCV Valve Grommet 42057 is manufactured from resilient rubber material, providing a tight and lasting seal around the PCV valve. Its dimensions—0.42 inches inside diameter, 0.62 inches thickness, and 1.15 inches outside diameter—are designed to match original equipment specifications, ensuring proper fit and function. The push-on attachment method simplifies installation, reducing the risk of leaks or disconnections in the emission control system. This part is compatible with a range of Toyota vehicles, including the 4Runner, Celica, Corolla, Corona, Cressida, Land Cruiser, and Pickup, making it a reliable replacement for worn or damaged grommets in these models.

Common Applications and Issues Addressed

• Prevents vacuum leaks in the PCV system
• Maintains proper engine ventilation and emission control
• Eliminates oil leaks around the PCV valve connection
• Reduces engine performance issues related to faulty grommets
• Helps avoid check engine light triggers related to PCV system faults

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Remove the old grommet carefully to avoid damaging the PCV valve or hose
• Clean the mounting area to remove oil and debris for a secure fit
• Push the new Dorman PCV Valve Grommet 42057 firmly into place until fully seated
• Verify the PCV valve and hose are properly connected and secure

Quality Assurance and Warranty

Dorman parts are engineered to meet or exceed OEM standards for fit, form, and function. The PCV Valve Grommet 42057 undergoes rigorous quality control to ensure durability and reliable performance in emission control applications. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.