Gaskets and Sealing Systems

Body gaskets and sealing systems are the rubber, foam, and weatherstrip components that keep water, wind, road noise, and outside air from getting into your vehicle's cabin. This collection covers door seals, window run channels, windshield seals, sunroof seals, convertible top seals, back glass seals, mirror gaskets, and more - 60 products across 11 part types. These seals degrade from UV exposure, temperature cycling, and age, typically showing wear after 8–12 years or sooner in harsh climates. When buying, OEM seals are the safest fitment choice for complex profiles like door window runs and convertible top seals, where off-spec rubber cross-sections cause glass binding or chronic leaks. Quality aftermarket options in EPDM rubber are a solid alternative for standard door and trunk seals. Always verify by door position (front/rear, left/right) and body style - a four-door seal will not fit a two-door, even on the same model year.

Signs you need replacement

• Water intrusion on the floor, sill, or headliner after rain or a car wash - indicates a failed door seal or windshield/back glass seal no longer forming a watertight contact with the body.
• Noticeable wind noise or whistling at highway speeds - door window seals and door seals that have flattened or torn lose their ability to dampen airflow around the glass and door frame.
• Visible cracking, tearing, or chunks missing from the rubber - once EPDM or foam-core seals begin to chunk or crack, they won't compress evenly and leak is guaranteed regardless of how tightly the door closes.
• Sunroof drains backing up or water appearing at the headliner near the sunroof opening - often caused by a degraded sunroof seal that no longer channels water to the drain tubes.
• Convertible top leaking at the header, side rails, or rear window - convertible and hard-top seals wear along the compression zones first; if the top feels loose or water tracks inside, the seal - not the top itself - is usually the culprit.
• Fogging or condensation trapped inside the door glass - a failed door window run seal allows moisture to wick into the door cavity, promoting rust and interior glass fogging.

Frequently asked questions

• How long do door and window seals typically last, and is there a recommended replacement interval? There's no fixed mileage interval - seal life is driven by age, UV exposure, and climate. Most OEM seals last 8–15 years before they harden and lose elasticity. In hot, sunny climates or on vehicles parked outdoors, plan on inspection at 7–8 years. Replace proactively if you notice hardening even before visible cracking begins.
• Are OEM seals worth the higher cost over aftermarket EPDM replacements? For door window run channels and convertible top seals, OEM is usually worth it - the cross-section profile must match exactly or glass operation and sealing will be off. For standard door perimeter seals and trunk seals, quality aftermarket EPDM parts from brands like Metro Moulded or Fairchild perform comparably at 30–50% less than dealer pricing.
• What does it typically cost to replace door seals, and can a DIYer handle it? Parts run $20–$80 per seal for most domestic and Japanese vehicles; European and convertible seals can reach $150–$300 per piece. Installation is DIY-friendly on most door and window seals - no special tools, just trim tools and adhesive. Windshield and back glass seals are trickier and often best left to a glass shop to avoid cracking the glass during removal.