# Hotend for Elegoo Neptune 4 Plus — replacement hotend (MPN 50.204.0064)

**URL:** https://aio.lv/en/product--elegoo-502040064--12390578
**Data updated:** 2026-04-24 13:06 (EEST)
**Category:** 3D Printer Consumables
**Manufacturer:** Elegoo
**Manufacturer code:** 50.204.0064
**EAN:** 6976021763993
**Warranty:** 1 Year
**Availability:** Out of stock

## Summary description

Replacement hotend designed for the Elegoo Neptune 4 Plus 3D printer. This hotend assembly (MPN 50.204.0064) serves as the melt-zone and nozzle carrier for filament extrusion, enabling reliable heating and filament flow for FDM printing. Use it to restore or upgrade your printer’s extrusion system and maintain print quality and consistency.

## Long description

The hotend designed for the ELEGOO Neptune 4 Plus is a direct-replacement melt zone and nozzle carrier that ensures even filament melting and smooth extrusion for accurate, repeatable FDM prints. Its compact assembly integrates wiring and supports efficient heat dissipation to maintain stable operating temperatures during extended printing, helping to preserve print detail and consistency.
Advantages
The assembly provides consistent thermal performance and reliable filament flow, reducing the likelihood of under- or over-extrusion. Its compact nozzle design helps minimize flow interruptions and preserves fine detail, while integrated wiring and a straightforward mechanical fit simplify replacement or upgrade of the extrusion system.
Suitable for
Replacement of a worn or damaged hotend on the ELEGOO Neptune 4 Plus
Restoring print quality and extrusion consistency
Routine maintenance or timed part replacement
Users seeking a direct-fit component to minimize downtime
When it may not be suitable
This hotend is specifically designed for the ELEGOO Neptune 4 Plus and may not be compatible with other printer models without mechanical or electrical adaptations. It does not include optional accessories such as a different nozzle size or additional cooling upgrades; those must be obtained separately if required.
Key specifications
Product type: Hotend / melt zone and nozzle assembly
Compatibility: ELEGOO Neptune 4 Plus
Design: Compact assembly with integrated wiring for straightforward installation
Thermal behavior: Engineered for even filament melting and efficient heat dissipation
Nozzle: Precision nozzle integrated into the assembly (standard size as supplied)
How to use
Power down and cool the printer before removing the existing hotend. Disconnect wiring and detach the old assembly following the printer manufacturer’s service instructions. Install the replacement hotend, reconnect wiring ensuring correct polarity and secure mechanical fastenings, then heat and test extrusion with a small filament feed to verify proper operation and temperature stability before resuming normal prints.
What to consider before purchase
Confirm compatibility with ELEGOO Neptune 4 Plus before ordering
Check whether you need a different nozzle size or additional cooling components
Ensure you have basic tools and following safety procedures for hotend replacement
Usage recommendations
Install the hotend when the printer is powered off and cooled, verify wiring connections carefully, perform a cold-pull or extrusion test after installation, and periodically inspect for filament buildup or wear to maintain consistent print quality.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Elegoo products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Elegoo service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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