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Bambu Lab

Bambu A2L Hotend Heating Assembly – Genuine FAH070

Bambu A2L Hotend Heating Assembly – Genuine FAH070

Supports hotend heating while preserving quick separation of the thermal and electronic components.

Heating with Real-Time Temperature Sensing

Heats the hotend to up to 300°C (572°F), while the included thermistor measures its temperature in real time. This genuine replacement combines hotend heating and temperature sensing in the A2L-specific assembly.

Tool-Free Hotend Swaps

The quick clamping mechanism secures the heater block and heating base while allowing the hotend’s thermal and electronic components to separate. On the A2L, this lets you remove and install the hotend without additional tools.

Regular price $29.99
Sale price $29.99
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The Bambu A2L Hotend Heating Assembly is a genuine Bambu Lab replacement component designed for the A2L printer’s hotend heating system. It heats the hotend to up to 300°C (572°F), while an included thermistor measures the hotend’s temperature in real time. It is intended for replacing the corresponding heating assembly during maintenance, rather than changing the nozzle diameter or converting the printer to a high-flow configuration.

A quick clamping mechanism secures the heater block and heating base while allowing the hotend’s thermal and electronic components to separate. This design enables tool-free hotend removal and installation, making routine hotend swaps straightforward. Replacing the heating assembly itself is a different maintenance task: it requires tools, partial toolhead disassembly and cable reconnection, following the official A2L replacement guide.

FAH070 is specific to the A2L and is not a universal replacement for other Bambu Lab printer models. The package contains one hotend heating assembly and three M3×10 screws; a complete hotend or replacement nozzle is not listed in the package contents. Before ordering, confirm which component needs replacement. After installation, follow the manufacturer’s heating checks and calibration instructions before returning the printer to use.

  • 90-Day Warranty
  • 30-Day Return
  • 7-Day Delivery
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11 Nov | Estimated delivery shown for your destination.

Bambu A2L Hotend Heating Assembly – Genuine FAH070 Overview

For A2L owners replacing the heating assembly

For A2L owners choosing a replacement, this genuine Bambu Lab assembly uses a ceramic base rather than the composite-base construction of the earlier design. The revised structure is intended to address first-layer problems associated with expansion of the earlier composite base, making it a relevant choice when that material-related issue is the concern. The difference is the base construction, not higher flow or a different nozzle. First-layer problems caused by leveling, build plate contamination or incorrect installation still require separate troubleshooting.

Product Specification

• Product Type: Hotend heating assembly
• Brand: Bambu Lab
• Compatible Printers: Bambu Lab A2L
• Materials: Metal and ceramics
• Color: White, silver and black
• Packaging Dimensions: 123 × 81 × 67 mm (4.84 × 3.19 × 2.64 in)
• Packaging Weight: 25.9 g (0.91 oz)

Package Includes

1 × Hotend Heating Assembly
3 × M3×10 Screws

Requirements & Installation Notes


• For Bambu Lab A2L only. Replacing the heating assembly requires partial toolhead disassembly and cable reconnection; it is not the same as a quick hotend swap.
• Allow approximately 25 minutes. Prepare an H2.0 hex screwdriver (2.0 mm / 0.079 in); tweezers are optional.
• Power off and unplug the printer before maintenance. Let the hotend cool to room temperature and ensure the filament is cut before removing it.
• Do not forcibly pull the extruder or strain its cables. Seat the wires in their routing slots to prevent pinching during reassembly, and follow the illustrated hotend locking sequence.
• After reassembly, power on and test the hotend at 200°C (392°F). Confirm stable heating, then reset the temperature target to 0°C (32°F).
• Perform a complete printer calibration after replacement. Clean the Textured PEI Plate before printing, as it may become contaminated during maintenance.

View the Official A2L Hotend Heating Assembly Replacement Guide →

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Frequently Asked Questions About Bambu A2L Hotend Heating Assembly – Genuine FAH070

Is this heating assembly interchangeable with parts for other Bambu Lab printers?

No. FAH070 is the A2L-specific hotend heating assembly, not a universal Bambu Lab replacement. Do not substitute an A1, A1 mini, H2, P2S or X2D heating assembly; choose the part specified for your printer model.

How do I check that the replacement was installed successfully?

After reassembly, power on the printer and set the hotend to 200°C (392°F). Confirm that it heats normally and maintains a stable temperature, then reset the target to 0°C (32°F). Perform a complete printer calibration before returning to printing. If heating is abnormal, stop the test and consult the official guide or Bambu Lab support.

Does poor first-layer quality mean I need a new heating assembly?

Not necessarily. First clean the build plate, run the recommended leveling and calibration checks, and confirm that the hotend is correctly seated and locked. For a noticeably low first layer, Bambu Lab also recommends checking the ceramic-base screws: remove the three fixing screws, moderately tighten the four screws on the back of the heating assembly, then reinstall it as illustrated. Power off, unplug and let the hotend cool before disassembly; do not overtighten. Tightening may help if looseness is involved, but it is not a guaranteed fix. Follow the Official A2L First-Layer Troubleshooting Guide before deciding to replace the component.

Is replacing the heating assembly as simple as swapping the hotend?

No. A quick hotend swap uses the locking mechanism, while replacing the heating assembly requires partial toolhead disassembly, screw removal and cable reconnection. Bambu Lab estimates approximately 25 minutes and specifies an H2.0 hex screwdriver; tweezers are optional. If you are not comfortable handling toolhead wiring, seek technical assistance. Follow the Official A2L Heating Assembly Replacement Guide.

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Support FAQ 

What Should I Buy from Call3D?

Call3D is particularly valuable when you are looking for:

  • Carefully selected third-party accessories, mods, and upgrades for Bambu Lab printers;
  • Compatibility-sensitive parts that require clearer model, version, or installation guidance;
  • Specialized solutions that may be difficult to identify on general marketplaces;
  • Newly released or locally unavailable Bambu Lab products;
  • Multiple accessories that can be combined into one order.

Every product we list is selected for a clear functional purpose, with compatibility, installation requirements, and known limitations reviewed before publication. Our goal is to help customers choose the right solution—not simply offer the largest possible catalog.

Why Call3D over a Marketplace?

General marketplaces may offer a large number of similar-looking products from different sellers, making it difficult to evaluate compatibility, product quality, and after-sales responsibility.

Call3D operates as a specialist curated store. We review a product’s purpose, compatibility, installation requirements, and available technical information before listing it. If customers need help before ordering or encounter a problem afterward, they can contact the same team that selected and documented the product.

We focus on long-term customer relationships, clear communication, and responsible after-sales support rather than a one-time transaction.

How can I track my order?

You will receive a YunExpress order number immediately after your order ships.Use this number to track the package from our warehouse to your destination country.
For the following countries, you will also receive a corresponding local tracking number.Please use the official website of the local carrier for real-time delivery updates:

  • United States: USPS
  • Germany & Netherlands: DHL
  • United Kingdom: Evri
  • Spain: CTT
  • France: Colis Privé

For all other regions: Only a YunExpress tracking number will be provided (no local carrier tracking available).

How long will my order take to arrive?

Call3D normally prepares and hands over orders to the carrier within 48 hours. In September 2026, 51 completed deliveries averaged 4.0 business days in transit from carrier acceptance to delivery.

Recent US deliveries averaged 4.1 business days in transit, while completed deliveries across eight observed EU destinations averaged 4.3 business days. These figures do not include Call3D’s order-preparation time.

These are recent observed averages rather than guaranteed delivery dates. Actual timing may vary depending on the destination, customs processing, holidays, and local carrier operations.

Do you ship to my country?

Call3D currently serves customers in 36 countries and regions:

European Union: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, and Sweden.

Other destinations: Australia, Canada, Israel, New Zealand, Norway, Singapore, Switzerland, the United Kingdom, and the United States.

If your destination is not listed, please contact Call3D before placing an order. We will assess shipping availability, customs requirements, taxes, and applicable local regulations, then confirm whether we can serve your location. Delivery to an unlisted destination is not guaranteed until confirmed by our team.

What is your return policy?

Eligible unused items in their original condition and packaging may be returned within 30 days of delivery. Please contact Call3D for approval before returning an item. Refunds are issued to the original payment method after inspection; return shipping costs apply.⁠⁠

View the Complete Return & Exchange Policy →

Duties, VAT & Sales Tax

Call3D product prices include applicable import duties. For orders delivered to the European Union, applicable VAT is also included in the displayed price. Customers should not normally be required to pay additional import duties or VAT upon delivery.

For orders delivered within the United States, applicable state and local sales tax is calculated based on the shipping address and displayed at checkout before payment. Call3D collects sales tax only in jurisdictions where it is required to do so under applicable tax rules. If no sales tax is shown at checkout, Call3D is not collecting sales tax for that order.

If you receive an unexpected request for import duties or VAT, please contact Call3D Support before making an additional payment.

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Bambu A2L Hotend Heating Assembly – Genuine FAH070

Regular price $29.99
Sale price $29.99