John Deere Fuel Injection System Sealing Washer R51936 is essential for ensuring a tight and reliable seal in your Fuel Injection System. Made from durable VITON material, this sealing washer features an inside diameter of 5.56mm, an outside diameter of 10.5mm, and a thickness of 5.41mm, providing excellent resistance to high temperatures and aggressive fuels. With a durometer rating of 90, it offers robust performance and durability, making it ideal for maintaining the efficiency and reliability of your John Deere machinery. Weighing only 0.01 lbs. this sealing washer is a small yet crucial component for optimal operation in your Fuel Injection System.