Experience the quality and durability that GM offers with this NOS seat bottom bumper washer, part number 3977789, specifically designed for your 1970-78 Corvette. This authentic piece is a testament to the craftsmanship that has been trusted by car enthusiasts for generations. Crafted to meet the exact specifications of your vehicle, this washer ensures a seamless fit and function, preserving the integrity of your Corvette's interior. Please note that this item is being sold without a manufacturer warranty, but rest assured, you're investing in a genuine piece of automotive history.