This is the real deal – a genuine Honda OEM front master cylinder sub-assembly. Part number 45510-MAH-A81. If your brake lever feels spongy or you're losing fluid, this might be the part you need. It's made by Honda to the exact specifications for fit, form, and function, ensuring it works perfectly with your motorcycle's braking system. Always the safest and most reliable choice for a critical component like the master cylinder. Make absolutely sure this part number matches the one for your specific Honda motorcycle model and year before ordering. For DIY mechanics or professional shops who want factory-quality parts.