Overview
A lower horizontal seal set designed for the 1978-1980 Monte Carlo quarter window, featuring the 1.5-inch diecast aluminum molding trim style.
Key Features
- Correct application for Monte Carlo quarter windows with the 1.5-inch molding style
- Restores a watertight, quiet seal to the quarter window
- Matches the correct factory trim width for this configuration
Benefits
As with the stainless steel bead version, using the correctly matched molding width keeps the restoration accurate and ensures a proper weatherproof fit rather than forcing an incompatible seal into the channel.
Vehicle Compatibility
Correct application for the 1978-1980 Monte Carlo quarter window with the 1.5-inch diecast aluminum molding style. A separate 1/4-inch stainless steel bead version is also available — please verify which style your car uses before purchasing.
Common Signs This Part Needs Replacement
- Water leaking in around the quarter window
- Increased wind noise at speed
- Cracked, hardened, or shrinking seal material
Installation Notes
Installs into the factory quarter window channel. Confirm your correct molding width before ordering to avoid a mismatch with the stainless bead version.
Why Buy From Mr Keith’s Auto Parts
We stock this alongside the stainless bead version specifically so customers can match their exact trim configuration rather than guessing.
Technical Specifications
- Manufacturer: Verify before purchase
- OEM Number: Verify before purchase
- Part Number: Verify before purchase
- Material: Rubber seal with 1.5″ diecast aluminum molding
- Position: Quarter window, lower horizontal seal
- Color: Black rubber with aluminum molding
- Category: Monte Carlo / Weather Stripping and Seals
- SKU / WooCommerce ID: 2394
- Vehicle Compatibility: 1978, 1979, 1980 Monte Carlo, 1.5″ diecast aluminum molding style
FAQs
How is this different from the stainless steel bead version? This version uses a wider 1.5-inch diecast aluminum molding; the other listing uses a 1/4-inch stainless steel bead. Confirm which trim style your Monte Carlo has before ordering.
Do I need the vertical seal set as well? Yes, pair this with our matching quarter window vertical seal set for a complete reseal.
Can I install this myself? Yes, it installs into the factory window channel with basic tools.
What symptoms indicate I need this seal? Water leaks, wind noise, or cracked/hardened rubber are the main signs.
Will this fit a 1981 Monte Carlo? This listing covers 1978-1980 only.
How can I tell which molding width my car currently has? Measure your existing seal’s trim width or send us photos for confirmation.
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