【OEM Replacement for A1 Series】 This is designed specifically for Bambu Lab 3D Printer A1/A1mini or AMS Lite system. Perfectly compatible with Bambu Lab A1 and A1 mini printers. Restore your multi-color printing capability with the OEM 【Core of the Clog Detection System】 The AMS Lite Filament Hub is not just a connector; it's the heart of the clog detection module. It works with a Hall-effect sensor to detect excessive feeding resistance, triggering alarms to prevent damage from clogs or tangles. 【4-in-1 Hub for Reliable Feeding】 Acts as the central hub that merges the four filament paths from the AMS Lite into a single, stable output to the printer's toolhead. Ensures smooth and organized filament switching for flawless multi-material prints. 【Direct Replacement for Common Issues】 Use this part to replace a physically damaged, worn-out, or malfunctioning Filament Hub. Common symptoms include persistent clog warnings, filament breakage inside the hub, or visible cracks on the housing. 【Easy Installation with Guidance】 Replacing the hub is straightforward. We strongly recommend following the official Bambu Lab Wiki disassembly and cleaning guide Is your AMS Lite giving constant clogging alarms, or has the central filament hub cracked or broken? Don't let a faulty component stop your creative workflow. This Bambu Lab Official AMS Lite Filament Hub (Five-Way Connector) is the exact replacement part you need to get back to reliable, automatic 4-color printing.