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Welcome to Source One Auto Parts!

Welcome to Source One Auto Parts!

Weatherstrip

Find New OEM door and window weatherstrip seals for GM vehicles. Our factory-original EPDM rubber seals are sourced from GM surplus — the correct profile, durometer, and adhesive backing specification for your vehicle's door opening and window channel.

Weatherstrip seals prevent water intrusion, reduce wind noise, and insulate the cabin from temperature extremes. OEM seals are extruded to the exact cross-section profile of your vehicle's door opening geometry — providing full compression and proper sealing force across the entire perimeter. Aftermarket seals frequently exhibit gaps, incorrect compression, and premature hardening.

Verify part numbers against your vehicle's door position (front, rear, sliding), model year, and body style before ordering.

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