Keep wind, water, and rattles where they belong with properly fitted beltline felt and weatherstrip. Whether you are replacing cracked seals, worn window felts, or tired door weatherstrip, the right 1964–73 Ford Mustang components can help improve sealing, reduce noise, and protect the glass and interior. Built for classic Mustang owners who value a quieter cabin and cleaner fit, this collection helps each door feel more finished and secure.