Dorman HELP PCV Valve Mounting Grommet for 1968-1991 General Motors Vehicles 42323

PCV valve mounting grommet for 1968 to 1991 General Motors vehicles used to replace cracked or leaking factory grommets.

Built to meet the manufacturer's design intent for reliable service, this grommet is engineered for durability and dependable performance in demanding engine environments.

Key Features

• Direct replacement for original equipment grommet
• Compatible with General Motors models from 1968 to 1991
• Constructed from quality materials for long-lasting seal
• Designed to match OE form, fit, and function
• Validated through testing for daily driving demands

Benefits

• Restores proper crankcase ventilation system operation
• Prevents vacuum leaks that can cause rough idling
• Reduces the risk of repeat repairs with durable construction
• Ensures smoother installation with precise fitment
• Helps maintain engine efficiency and reduce emissions
• Provides a trustworthy fix backed by over a century of experience

Application

Ideal for owners of vintage General Motors trucks and cars needing to repair worn PCV systems, this part serves as a critical seal to maintain engine vacuum integrity and prevent oil leaks around the valve cover.

Fitment Notes

• Fits select General Motors vehicles manufactured between 1968 and 1991
• Replaces General Motors part number 3989347
• Also replaces Needa Parts 423233 and Standard Motor Products GV20

Why Choose Dorman?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results while standing up to daily driving demands.

What's in the Box

• 1 PCV Valve Mounting Grommet

Item Dimensions

• 5.5in x 1.8in x 1.5in, 0.1lbs