Rear Door Seals For Buick Electra, Invicta 1959-1960 4758671/4758672; LM 18-GFor 4 door sedans from the 1959 1960 GM 'A', 'B', and 'C' body lines, these rear door seals are designed to replace OEM #4758671 and #4758672, ensuring a precise fit and reliable performance. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a snug, weatherproof barrier to keep out wind, rain, and road noise. Unlike other options, these seals are made without accelerants or cheap fillers, which means they