Dorman 42311 PCV Valve Grommet

PCV Valve Grommet for OE-Style Sealing

Dorman 42311 is a rubber PCV valve grommet built to match the fit and function of the original grommet on specified vehicles. It is sized for a push-on attachment and engineered for durable, reliable performance in the PCV system.

Key Features

• Rubber construction for flexible sealing performance
• Inside diameter: 0.49 in.
• Outside diameter: 0.593 in.
• Thickness: 1.65 in.
• Push-on attachment method for direct replacement use
• Designed to match original fit and function

Detailed Description

This PCV valve grommet helps restore the seal between the PCV valve and the valve cover or related mounting point. Dorman 42311 is made from rubber and sized to the listed dimensions for a secure OE-style fit. It is a direct replacement for applications that call for a PCV valve grommet with a 1.657 in. outside diameter, including Buick Century, Buick Skylark, Oldsmobile Cutlass Ciera, Oldsmobile Cutlass Cruiser, Pontiac Bonneville, and other listed GM applications.

This part cross-references Standard Ignition GV11 for the same application.

What It Helps Address

• Cracked or hardened PCV valve grommet material
• Loose PCV valve seating at the valve cover
• Vacuum leaks caused by a worn grommet seal
• Oil vapor seepage around the PCV valve opening
• Improper PCV valve retention from age-related wear

Installation Notes and Tips

Verify the PCV valve opening size and the listed dimensions before installation. Clean the mounting surface, inspect the PCV valve for wear, and press the grommet into place using the push-on design. For fitment, this part is listed for 1988-1993 Buick Century, 1989-1993 Buick Skylark, 1988-1993 Oldsmobile Cutlass Ciera, and 1988-1991 Pontiac Bonneville, among other specified vehicles.

• Fits 1989-1993 Buick Century, N/A
• Fits 1989-1993 Buick Skylark, N/A
• Fits 1992-1993 Oldsmobile Achieva, N/A
• Fits 1988-1993 Oldsmobile Cutlass Ciera, N/A
• Fits 1988-1993 Oldsmobile Cutlass Cruiser, N/A
• Fits 1992-1993 Pontiac Grand Am, N/A
• Fits 1989-1991 Buick LeSabre, N/A
• Fits 1991 Buick Park Avenue, N/A
• Fits 1989-1991 Buick Reatta, N/A
• Fits 1990-1991 Buick Regal, N/A
• Fits 1989-1991 Buick Riviera, N/A
• Fits 1988-1991 Oldsmobile 98, N/A
• Fits 1989-1991 Oldsmobile Cutlass Calais, N/A
• Fits 1988-1991 Oldsmobile Delta 88, N/A
• Fits 1988-1991 Oldsmobile Toronado, N/A
• Fits 1988-1991 Pontiac Bonneville, N/A

Quality Assurance

Dorman designs this grommet to match original equipment fit and function and to deliver dependable service in the PCV system. Part number 42311 is built for the listed vehicle applications and dimensions to support proper sealing and retention.