1978-1980 Monte Carlo Quarter Window Vertical Seal Set

Overview

A quarter window vertical seal set custom-designed for the 1978-1980 Monte Carlo, replacing the rubber seals that keep the quarter windows watertight and quiet.

Key Features

• Perfect fit for 1978-1980 Monte Carlo quarter windows
• Weather-resistant rubber resists cracking and weather damage
• Helps prevent water leaks and reduces wind noise
• Easy installation with everything needed included

Benefits

Old, cracked window seals are a common source of water leaks and wind noise in classic cars. This set restores a tight, quiet seal, protecting the interior from moisture damage and making for a more comfortable ride.

Vehicle Compatibility

Fits 1978, 1979, and 1980 Monte Carlo models. Please verify your quarter window style before purchasing, as this is paired with a separate lower horizontal seal set for the same window.

Common Signs This Part Needs Replacement

• Water leaking in around the quarter window during rain
• Increased wind noise at highway speeds
• Cracked, hardened, or shrinking rubber seal
• General interior weatherproofing restoration

Installation Notes

Includes everything you need for a hassle-free installation, making it simple to replace your old or damaged seals using the factory channel.

Why Buy From Mr Keith’s Auto Parts

We carry the full quarter window seal system for the Monte Carlo — vertical and horizontal — so you can properly reseal the entire window rather than patching just one section.

Technical Specifications

• Manufacturer: Verify before purchase
• OEM Number: Verify before purchase
• Part Number: Verify before purchase
• Material: Weather-resistant rubber
• Position: Quarter window, vertical seal
• Color: Black (standard rubber seal color; verify before purchase)
• Category: Monte Carlo / Weather Stripping and Seals
• SKU / WooCommerce ID: 2090
• Vehicle Compatibility: 1978, 1979, 1980 Monte Carlo

FAQs

Do I also need the horizontal seal set for a complete reseal? Yes, for a fully sealed quarter window we also carry a matching lower horizontal seal set — check that separate listing.

Will this fit a 1981 Monte Carlo? This listing covers 1978-1980 only — verify compatibility with us for other years.

Can I install this myself? Yes, the set includes everything needed for a hassle-free installation.

What are signs I need to replace my window seals? Water leaks, increased wind noise, or visibly cracked/hardened rubber are the main indicators.

Is this rubber or synthetic material? This is a weather-resistant rubber seal — confirm exact composition with us if needed.

Does this include installation adhesive if required? Confirm inclusion of any adhesive or fasteners on the product listing before ordering.