Keep your vintage Briggs & Stratton 5 HP engine running smoothly with this genuine replacement crankshaft seal. Designed to provide a perfect fit and optimal performance, this rubber seal is engineered with precision to ensure durability and longevity. With the original manufacturer's part number 393812, you can trust in its quality and reliability. Crafted in the United States, adding a professional touch to your engine's maintenance. Ideal for those who appreciate the value of original parts, this crankshaft seal is a must-have for anyone looking to preserve the legacy of their classic outdoor power equipment.