Lower Door Sill Seal For Buick Century 78-80, Regal 1978-1987 20376226; LM 16-JSDesigned 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