Standard Ignition GV27 PCV Valve Grommet

PCV Valve Grommet for Ford and Mercury

Standard Ignition GV27 is a rubber PCV valve grommet made for emission control service on a wide range of Ford, Mercury, and Lincoln vehicles. It provides a direct replacement point for the PCV valve where the valve seats into the valve cover or related mounting location.

• Rubber construction for a flexible, sealing fit
• Emission control hardware replacement for PCV valve mounting points
• Compatible with many Ford Mustang, Ford F-150, and Mercury Cougar applications
• Standard Ignition GV27 for service on older Ford and Mercury platforms
• Cross-references Dorman - HELP 42048 for the same application

Detailed Product Overview

This PCV valve grommet is built to replace worn, hardened, or cracked rubber that can affect the seal around the PCV valve. Standard Ignition GV27 is designed for emission system repair where a secure grommet is needed to help maintain proper valve seating on vehicles such as the Ford Mustang, Ford Bronco, and Mercury Sable. Standard Ignition GV27 also serves as a practical replacement for many classic Ford truck and van applications.

Compatible With 1978-1996 Ford F-150, 1978-1996 Ford F-250, 1978-1997 Ford F-350, 1989-2004 Ford Mustang, 1986-1995 Ford Taurus, and 1986-1995 Mercury Sable. Additional coverage includes Ford Escort, Ford Thunderbird, Mercury Cougar, Ford E-Series vans, and related models listed in the fitment data.

Common Issues This Part Can Address

• Cracked or brittle PCV valve grommet material
• Loose PCV valve seating at the valve cover opening
• Vacuum leaks caused by a deteriorated rubber seal
• Emission system service on aging Ford and Mercury engines
• Replacement during PCV valve maintenance on high-mileage vehicles

Installation Notes and Tips

Inspect the valve cover opening and PCV valve before installation. Remove any old rubber residue, confirm the grommet size matches the application, and seat the new rubber grommet fully before installing the PCV valve. For fitment-specific applications, verify the year, make, model, and any listed notes such as the 3/4 inch inner diameter by 1 1/2 inch outer diameter by 1/2 inch long specification.

Quality Assurance

Standard Ignition manufactures emission components with quality control maintained throughout the production process, from component materials to finished part. The brand’s engineering focus is aimed at replacing original equipment parts that commonly fail due to wear-related issues.