Dorman 42327 PCV Valve Grommet

Dorman 42327 PCV Valve Grommet

Dorman 42327 is a rubber PCV valve grommet made to match the fit and function of the original grommet on specified vehicles. It is built for a push-on attachment and is sized for direct replacement service on Ford, Mercury, and Lincoln applications that use a valve-cover or oil-separator mounting point.

Key Features

• Rubber construction for sealing and vibration resistance
• Push-on attachment method for OE-style installation
• Inside diameter: 0.712 in.
• Outside diameter: 1.47 in.
• Thickness: 0.99 in.
• Direct replacement PCV valve grommet for specified Ford, Mercury, and Lincoln vehicles

Detailed Description

This PCV valve grommet is engineered to match the original part’s fit and function, helping restore a secure seal where the PCV valve seats in the valve cover or connects to the oil separator, depending on application. Dorman 42327 is a practical replacement for aging rubber grommets that can harden, shrink, or crack over time. This part cross-references Standard Ignition GV28 for the same application.

Compatible With Ford Mustang, Ford Explorer, Mercury Mountaineer, Mercury Grand Marquis, Lincoln Town Car, and other listed Ford, Mercury, and Lincoln applications from 1986-2001. Use Dorman 42327 when you need a replacement PCV valve grommet for Ford Mustang PCV valve grommet fits onto valve cover, or for Ford Explorer PCV valve grommet fits onto valve cover service.

What It Helps Fix

• Cracked or hardened PCV valve grommet material
• Loose PCV valve seating at the valve cover or oil separator
• Vacuum leaks caused by a worn grommet seal
• Oil vapor seepage around the PCV valve opening
• Fitment issues from an incorrect or deteriorated replacement grommet

Installation Notes and Tips

Confirm the PCV valve opening size and mounting style before installation. This part uses a push-on attachment method and is designed for specified applications only. Inspect the valve cover or oil separator opening for wear, debris, or damage before installing the new grommet. For fitment-based searches, this part is commonly sought as a PCV valve grommet for Ford Mustang, Ford Explorer, and Mercury Mountaineer applications.

Quality Assurance

Dorman designs this replacement grommet to match original fit and function and uses rubber construction for durability and reliable performance in the specified applications.