The HARDI 110342 diaphragm disc is a genuine OEM replacement part designed for various HARDI sprayer pumps. This critical component ensures efficient and leak-free operation, maintaining optimal pump performance. Manufactured from durable, chemical-resistant materials, it provides a secure seal and withstands the demands of agricultural spraying applications. Regular replacement of the diaphragm disc is essential for the longevity and reliability of your HARDI sprayer pump.