Chevrolet Monte Carlo Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Chevrolet Monte Carlo with precision-fit replacement weatherstrip and seals designed specifically for your vehicle. Each seal is engineered to match the original profile and mounting groove of your Chevrolet Monte Carlo—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Chevrolet Monte Carlo weatherstrip is manufactured from durable, weather-resistant rubber compounds such as EPDM, engineered for an exact OEM-quality fit and finish. These materials resist sunlight, ozone, and chemical exposure while maintaining flexibility across temperature extremes, so your new seals stay soft and pliable instead of cracking or hardening the way factory-original rubber does over time.

Use the Vehicle Selector above to find the correct weatherstrip for your Chevrolet Monte Carlo, or browse below to explore available options. Whether you’re chasing down a stubborn water leak or completing a full restoration, Factory Interiors makes it easy to achieve a tight, factory-quality seal with precision-fit weatherstrip for your Chevrolet Monte Carlo.

1978-1988 Chevy Monte Carlo Lower Door Sill Weatherstrip Seal, 78-88 GM G Body 2 Doors, Pair.

Designed for 1978-1988 GM G-Body 2-door vehicles, these lower door sill seals replace OEM #20376226 and are crafted to fit seamlessly between the panel and the lower part of the doors. Made from durable EPDM polymer, these seals ensure a snug, accurate fit, effectively keeping out moisture, dirt, and drafts while maintaining the integrity of your vehicle's interior. The sleek black finish and precise seal profile enhance both functionality and appearance, making them a reliable upgrade for your classic car or truck. Fitment includes popular models like the Buick Regal, Chevrolet Monte Carlo, El Camino, GMC Caballero, Oldsmobile Cutlass, and Pontiac Grand Prix from 1978 to 1988. Backed by a 90-day hassle-free warranty, these seals are a dependable choice for restoring your vehicle's comfort and style.

Features and Benefits
  • Keeps moisture and dirt out for a cleaner interior.
  • Made from long-lasting EPDM polymer for durability.
  • Fits perfectly between the panel and lower door for a secure seal.
  • Enhances the look and functionality of your classic car.

$129.49
• SALE $103.95
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1978-1988 Chevy Monte Carlo Lower Door Sill Weatherstrip Seal, 78-88 GM G Body 2 Doors, Pair.
1970-1972 Chevy Monte Carlo Molded Roof Rail Weatherstrip Seals for 2-Door Hardtop Only. Pair R&L.

Designed specifically for 2-door hardtop models, these molded roof rail seals are crafted to fit perfectly and provide exceptional weatherproofing. Engineered for 1969-1972 Buick GS, Skylark, Chevrolet Chevelle, Monte Carlo, Oldsmobile 442, Cutlass, Pontiac GTO, LeMans, and Tempest cars, these seals ensure a snug fit that keeps water and wind out, protecting your interior from leaks and drafts. Made by SUPERsoft, these seals are guaranteed to never leak and are free from accelerants or cheap fillers, ensuring long-lasting durability without premature aging or cracking. The pair includes both left and right seals, molded to match the original design for easy installation along the roof rails. Backed by a 30-year warranty, these seals offer peace of mind and unmatched quality, making them a reliable choice for restoring your classic car.

Features and Benefits
  • Provides a tight seal to prevent water and wind intrusion.
  • Made with high-quality materials for long-lasting durability.
  • Easy to install with a precise molded fit for 2-door hardtops.

$153.49
• SALE $122.95
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1970-1972 Chevy Monte Carlo Molded Roof Rail Weatherstrip Seals for 2-Door Hardtop Only. Pair R&L.
1978-1988 Chevy Monte Carlo T-Top Side Weatherstrip Seals. Each Piece 25" Long. Pair.

For T-top cars, these side seals measure 25" long each and come as a pair, designed to fit snugly along the edges of your T-top roof. These seals are crafted by SUPERsoft, known for their exceptional durability and softness, being 30% softer than other brands. They are made without accelerants or cheap fillers, ensuring they resist aging and cracking over time. These seals are specifically designed for 1978-1987 Buick Regal, Chevrolet Monte Carlo, Oldsmobile Cutlass (including Calais, Salon, and Supreme models), and Pontiac Grand Prix cars, as well as 1988 Chevrolet Monte Carlo and Oldsmobile Cutlass models. They provide a tight, weatherproof seal to keep out water, wind, and debris, preserving the interior of your classic car while enhancing its overall appearance. Backed by a 30-year warranty exclusive to SUPERsoft products, these seals offer long-term reliability and peace of mind.

Features and Benefits
  • Provides a secure, weatherproof seal for T-top edges.
  • Made with premium materials to resist aging and cracking.
  • Enhances the look and protection of your classic car.

$161.99
• SALE $129.95
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1978-1988 Chevy Monte Carlo T-Top Side Weatherstrip Seals. Each Piece 25" Long. Pair.
1970-1972 Chevy Monte Carlo Rear Vertical Quarter Window Weatherstrip Seal-Outer, 70-72 Monte Carlo & Cutlass Supreme.

For 1970-1972 Chevrolet Monte Carlo and Oldsmobile Cutlass Supreme cars, this rear vertical quarter window seal set (outer) is designed to replace OEM #9808555 and #9808556. Crafted from durable EPDM polymer, these seals ensure a precise fit and provide an accurate seal profile to keep your vehicle protected from water, dust, and wind. The pair includes both left and right seals, along with screws for easy installation. These seals are specifically engineered to fit seamlessly into the rear quarter window area, restoring the original look and functionality of your classic car. With their sleek black finish, they enhance the overall appearance while maintaining the integrity of your vehicle's design. Backed by a 90-day warranty, this product guarantees peace of mind with its reliable performance.

Features and Benefits
  • Made from long-lasting EPDM polymer for durability.
  • Provides a tight, accurate seal to block out water and debris.
  • Includes screws for straightforward installation.
  • Restores the original look and function of your classic car.

$201.99
• SALE $161.95
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1970-1972 Chevy Monte Carlo Rear Vertical Quarter Window Weatherstrip Seal-Outer, 70-72 Monte Carlo & Cutlass Supreme.
1978-1981 Chevy Monte Carlo Molded Door Weatherstrip Seals. 2-Door Coupe.

For 2-door coupe models, these molded door seals are designed to replace OEM part numbers 20038032/3 and come as a pair for both the right and left sides. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, ensuring a snug fit and long-lasting performance. They are free from accelerants and cheap fillers, which means they resist premature aging and cracking, keeping your doors sealed tightly against water, wind, and noise. These seals are specifically made for 1978-1981 Chevrolet Monte Carlo and Pontiac Grand Prix cars, offering a perfect fit for these classic vehicles. The seals are molded to match the original design, making installation straightforward and ensuring your car retains its original look and feel. Backed by a 30-year warranty, these SUPERsoft seals provide peace of mind and exceptional value for your restoration project.

Features and Benefits
  • Keeps water, wind, and noise out for a quieter ride.
  • Made with durable materials that resist aging and cracking.
  • Designed for a precise fit on 1978-1981 Monte Carlo and Grand Prix models.

$215.49
• SALE $171.95
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1978-1981 Chevy Monte Carlo Molded Door Weatherstrip Seals. 2-Door Coupe.

(77 Total Products)