Bambu Lab H2S Extruder Filament Sensor

Ensure uninterrupted, high-precision 3D printing with the Bambu Lab H2S Extruder Filament Sensor—a critical component engineered to monitor filament flow and system status in real time. Designed specifically for the H2S series, this compact yet highly responsive sensor plays a vital role in maintaining print accuracy and preventing failures.

Positioned directly within the extruder assembly, the sensor uses advanced hall-effect detection technology to accurately identify both the presence of filament and the position of the filament cutter lever. This dual-function monitoring enables your printer to intelligently manage extrusion, detect runouts, and trigger automatic responses that protect your print and hardware.

Whether you're replacing a worn component or maintaining peak printer performance, this genuine Bambu Lab part ensures seamless integration, consistent reliability, and precise operation—keeping your workflow efficient and your prints flawless.

Features

• Dual Detection Functionality — Monitors both filament presence and cutter lever position for enhanced control
• Hall-Effect Sensor Technology — Provides accurate, contactless detection for improved durability and reliability
• Optimised for H2S Series — Fully compatible with Bambu Lab H2S and H2S Laser printers
• Print Failure Prevention — Helps detect filament runout or misfeeds before they impact your print
• Compact & Lightweight Design — Minimal footprint inside the extruder assembly
• Genuine Replacement Part — Ensures perfect fit, performance, and long-term reliability

Technical Specifications

• Product Type: Extruder Filament Sensor
• Detection Method: Hall-effect sensing
• Material: Plastic & Metal
• Colour: Black
• Compatibility: Bambu Lab H2S / H2S Laser
• Packaging Dimensions: 60mm × 60mm × 30mm
• Weight: 0.02kg

What's in the Box

• 1 × Hall Effect Sensor Board Assembly
• 2 × Mounting Screws