Prevents fluid leakage to help maintain efficient and stable pump operation. The Honda 78130-YB7-003 Mechanical Seal is a precision component used in pump assemblies to create a tight seal between rotating and stationary parts. It works by using matched sealing faces that remain in constant contact, limiting fluid loss while allowing the shaft to rotate smoothly. This controlled seali... https://www.wholetoolbox.com/honda-78130-yb7-003-mechanical-seal