Pontiac LeMans Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Pontiac LeMans 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 Pontiac LeMans—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Pontiac LeMans 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 Pontiac LeMans, 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 Pontiac LeMans.

1978-1981 Pontiac LeMans Door Seal Kit

OEM-replacement door seal kit for Buick / Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 20008188, 20008189

$117.58
• SALE $81.95
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1978-1981 Pontiac LeMans Door Seal Kit
1978-1981 Pontiac LeMans Trunk Seal - Trunk

OEM-replacement trunk seal - trunk for Buick / Cadillac / Chevrolet. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 20490800

$74.51
• SALE $51.95
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1978-1981 Pontiac LeMans Trunk Seal - Trunk
1978-1981 Pontiac LeMans Driver & Passenger Side Belt Weatherstrip Kit - Inner Driver side and Passenger side

OEM-replacement belt weatherstrip kit - inner driver side and passenger side for Chevrolet / Pontiac. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

Replaces GM: 20208434

$62.01
• SALE $42.95
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1978-1981 Pontiac LeMans Driver & Passenger Side Belt Weatherstrip Kit - Inner Driver side and Passenger side
1964-1965 Pontiac LeMans Driver & Passenger Side Quarter Window Channel Kit - Quarter Window Driver side and Passenger side

OEM-replacement quarter window channel kit - quarter window driver side and passenger side for Buick / Chevrolet / Oldsmobile. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.

$35.47
• SALE $24.95
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1964-1965 Pontiac LeMans Driver & Passenger Side Quarter Window Channel Kit - Quarter Window Driver side and Passenger side
1963-1978 Pontiac LeMans Unbeaded Door and Trunk Lock Gasket. 1-3/16" O.D., 7/8" I.D.

This unbeaded door and trunk lock gasket is designed for classic cars, measuring 1-3/16" O.D. and 7/8" I.D., and is perfect for enhancing the longevity and appearance of your vehicle. Crafted by Metro Moulded Parts, this gasket prevents hardware from rattling and squeaking while protecting your car's paint from scratches and rust. It fits a wide range of vintage models, including the 1955-1977 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac cars, ensuring a snug and secure fit. The gasket's sleek design not only maintains the aesthetic integrity of your classic car but also provides essential protection against wear and tear. With a 90-day warranty, you can trust in its durability and performance.

Features and Benefits
  • Fits a wide range of classic cars.
  • Prevents rattling and squeaking.
  • Protects paint from scratches and rust.

(160 Total Products)