When you need a reliable crankshaft seal that can handle heat and pressure, National’s 320259 is a trusted choice. It’s a spring-loaded, multi-lip seal made from fluoroelastomer – a material known for its excellent resistance to high temperatures and a wide range of fluids. This seal operates in a huge temperature range from -40°F all the way up to 400°F (-40°C to 204°C). The multiple lips and internal spring work together to maintain a consistent, leak-free seal even under tough conditions, providing long life and superior performance. National has been making premium sealing solutions for over 75 years, so you know you’re getting a quality part designed to meet or exceed OEM specs. Perfect for a professional repair or a serious DIY project where you don’t want to do the job twice.
