Dorman Autograde Rubber Engine Intake Manifold Expansion Plug 7/8 Inch for Chevrolet Ford Geo Mercury Pontiac 570-004

Rubber engine intake manifold expansion plugs for 1984 to 1997 Chevrolet Ford Geo Mercury and Pontiac vehicles used to replace worn or leaking factory plugs.

Built to meet the manufacturer's design intent for reliable service, this expansion plug is constructed from quality rubber materials engineered to withstand engine heat and vibration while maintaining a secure seal within the intake manifold.

Key Features

• Constructed from durable rubber material designed for long-term sealing
• Matches original equipment form fit and function for specified applications
• Size range covers 7/8 inch to 1 inch openings for versatile use
• Validated through testing to ensure dependable performance under hood conditions
• Direct replacement solution backed by over a century of automotive expertise

Benefits

• Restores proper engine vacuum and prevents air leaks in the intake system
• Reduces the risk of repeat repairs caused by inferior quality seals
• Ensures smoother installation with precise OE-matching dimensions
• Helps maintain optimal engine performance and fuel efficiency
• Provides a cost-effective alternative to dealer-priced components
• Delivers peace of mind with trustworthy quality and proven durability

Application

Ideal for DIY mechanics and professional technicians repairing intake manifold leaks on older GM Ford and Mercury vehicles including Chevrolet Geo and Pontiac models from the mid-1980s to late 1990s.

Fitment Notes

• Compatible with select Chevrolet models from 1990 to 1992
• Compatible with select Ford models from 1984 to 1986
• Compatible with select Geo models from 1989 to 1997
• Compatible with select Mercury models from 1984 to 1986
• Compatible with select Pontiac models from 1990 to 1992
• Verify vehicle fitment details before purchase to ensure compatibility

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function
• Built with quality materials and validated through testing to stand up to daily driving demands
• Backed by a team of product experts in the United States and more than a century of automotive experience
• Delivers proven aftermarket solutions that keep your vehicle operating the way it should

What's in the Box

• 5 Piece Set of Rubber Expansion Plugs

Item Dimensions

• Length: 3.6 inches
• Width: 2.4 inches
• Height: 2.3 inches
• Weight: 0.5 lbs