Bambu Lab Hardened Steel Extruder Gear Assembly Compatible with X1C / P1S / P1P
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- Genuine Bambu Lab replacement for X1 & P1 Series extruders
- Hardened steel construction for long-lasting wear resistance
- Dual gear set (active + driven) for precise filament feeding
- Handles abrasive & engineering filaments (CF, glass fiber, TPU, etc.)
- Direct drop-in replacement — no extruder swap needed
- Improves extrusion consistency and print quality
- Reduces maintenance frequency for heavy-use printers
- Filament diameter: 1.75 mm
- Gear ratio: 9:53 for accurate feed control
- Ideal for PLA, PETG, ABS, ASA, PC, and composite filaments
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The Hardened Steel Extruder Gear Assembly is a core component of the extruder mechanism for compatible Bambu Lab printers. It includes both the driven gear and active gear, which work together to grip and push filament smoothly into the hotend during printing — ensuring consistent extrusion rates and improved print quality. This assembly is made with hardened steel, giving it superior wear resistance compared to standard brass or stainless steel gears, especially when printing tough or abrasive filaments.
Whether you’re performing a routine maintenance swap or upgrading from stock parts to support more challenging materials, this gear assembly helps extend the life of your extruder without replacing the entire extruder unit.
Key Features
- Premium hardened steel construction – Built to withstand extended printing with abrasive and engineering filaments.
- Dual gear set – Includes both active and driven gears for precise filament feeding.
- Direct replacement part – Use it to fix wear or damage without the cost of a full extruder assembly.
- Wide filament compatibility – Designed to handle a variety of materials including PET‑CF, PAHT‑CF, PLA‑CF, ABS, ASA, PC, TPU and standard PLA/PETG.
- Rugged and reliable – Ideal for heavy use or prints that would prematurely wear softer gears.
Compatible Printers
Bambu Lab X1 Series
Bambu Lab P1 Series (including P1P and others)
(Check your printer model before purchase for full compatibility)
What’s in the Box
-
Hardened Steel Extruder Gear Assembly (driven + driven gear)
Why Upgrade to Hardened Steel?
Standard extruder gears perform well with everyday filaments but can wear quickly when used with abrasive materials containing carbon fiber, glass fiber, or other reinforcements. Hardened steel gears significantly increase abrasion resistance, meaning you’ll get longer life, more consistent extrusion force, and fewer maintenance replacements over time.
This part also allows you to replace just the worn gear set rather than investing in a full extruder assembly, saving time and cost while keeping your printer running at peak performance.
Specifications
- Filament Diameter: 1.75 mm
- Material: Hardened steel + metal/plastic components
- Gear Reduction Ratio: 9:53
- Compatible Filaments: PET‑CF, PAHT‑CF, PA6‑CF, PLA‑CF, PLA, PETG, ABS, ASA, PC, TPU
Ideal For
- 3D printing enthusiasts wanting to improve durability of their extrusion system
- Advanced filament users who print abrasive or composite materials
- Maintenance‑minded owners who want spare parts on hand
- Cost‑conscious builders seeking part‑level replacements instead of entire systems
If you have any further questions, please feel free to use the form below to ask:
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