Creality Hot End Heat Sink for Ender-3 V3 SE & KE

Your Ender-3 V3 SE starts a print perfectly, then ten minutes in the extrusion thins out and stops. You clear the nozzle, try again and get the same result. Or a hotend swap went wrong, a fin bent, a thread stripped, and now the new hotend will not sit square. Either way, the part that keeps the cold side of your hotend cold is no longer doing its job.

This genuine Creality hot end heat sink is the aluminium cooling block that holds the hotend on the Ender-3 V3 SE and Ender-3 V3 KE, pulling heat away so filament only melts where it should.

Fit a fresh one and your hotend seats correctly and stays cool above the melt zone again.

Genuine Creality Part 3205040095 | Fits Ender-3 V3 SE and V3 KE | CNC-Machined Aluminium | 25 × 13 × 35 mm | 26 g | M4 Screw Mounting | Accepts Standard and Micro Swiss FlowTech Hotends

Who the Ender-3 V3 SE and KE heat sink is built for

Hobbyist Makers repairing their own printer

If you damaged the heat sink during a hotend change or a crash, you do not need a full hotend kit. This part replaces only the aluminium block, so a bent fin or stripped mounting thread becomes a short, inexpensive repair. Fit it to your Creality Ender-3 V3 SE 3D Printer on a Saturday and print a set of PLA storage drawers the same day.

Schools running a fleet of SE printers

The Ender-3 V3 SE is common in classrooms because it is affordable and simple, and learners are hard on toolheads. Keeping a spare heat sink in the parts drawer lets a teacher or technician get a damaged printer back into service between lessons. A class can finish its PLA bridge-design project on time instead of sharing fewer machines for a week.

Small print farm operators running KE printers

On an Creality Ender-3 V3 KE 3D Printer pushing PETG and ABS at speed, the heat sink works hard all day. When one is damaged or you are rebuilding a toolhead, a genuine replacement keeps every printer on the farm built to the same specification. A batch of 40 PETG brackets prints with the same dimensional consistency on the repaired machine as on the rest.

What sets the Creality Ender-3 V3 SE and KE heat sink apart

Melting where you want it, and nowhere else

In fused filament fabrication, filament must stay solid until it reaches the heater block, then melt quickly and evenly. The heat sink makes that possible. It sits above the heater, and the hotend fan blows across its fins to draw heat away from the upper part of the filament path. If that cooling fails, filament softens too early, expands and jams, a fault known as heat creep. A sound heat sink with clean, straight fins keeps that boundary sharp, so extrusion stays consistent from the first layer to the last.

Machined aluminium, matched to the original

This is the factory part, number 3205040095, CNC-machined from aluminium, which conducts heat well and stays light. It measures 25 × 13 × 35 mm and weighs 26 g, the same as the heat sink your printer shipped with. That matters on a moving toolhead. A heavier aftermarket block adds mass the motion system was not tuned for, while a part with slightly different dimensions can leave the fan shroud misaligned or the hotend sitting off-square to the bed.

A secure, square fit for your hotend

The heat sink is the mounting point for the hotend, secured with an M4 screw. If the threads are worn or the block is distorted from an over-tightened screw or a crash, the hotend can sit at an angle or work loose. That shows up as a nozzle that is not perpendicular to the bed, uneven first layers and leaks around the heater block. A new heat sink restores a firm, square seat, so the nozzle sits exactly where your Z offset expects it.

Works with stock and upgraded hotends

Because this heat sink uses the standard SE and KE mounting, it accepts the stock Creality hotend as well as drop-in upgrades. That includes the Micro Swiss FlowTech Hotend for Creality Ender-3 V3 SE and the Micro Swiss FlowTech Hotend for Creality Ender-3 V3 KE. If you are planning an upgrade and your current heat sink is damaged, replace both at the same time and start with a fully sound toolhead.

Full specifications: Creality Ender-3 V3 SE and KE heat sink

Ordering, shipping and support for Ender-3 V3 SE and KE parts

We courier the Ender-3 V3 SE and KE heat sink to any address in South Africa, or you can collect it from our Centurion or Boksburg store. Genuine Creality parts carry the manufacturer's warranty, with claims handled locally by our support team. Nozzles, hotend boards and other spares are in our Creality spare parts range, and Creality PLA filament is in stock for your first test print.

Frequently asked questions about the Ender-3 V3 SE and KE heat sink

Will this heat sink fit the standard Ender-3 V3 or V3 Plus?

No, it fits only the Ender-3 V3 SE and Ender-3 V3 KE. The CoreXZ Ender-3 V3 and the V3 Plus use a different heat sink, Creality part 3205040096, as confirmed on the Creality forum. Check your printer model before ordering, since the parts look similar.

Will a new heat sink fix my clogging and heat creep?

Only if the heat sink itself is damaged. In one Creality forum case, an Ender-3 V3 SE owner traced repeated heat creep to the hotend fan not spinning, not the heat sink. Before buying, check that the fan runs whenever the hotend is hot, clean dust from the fins and confirm the hotend is seated correctly.

Can I use it with a Micro Swiss FlowTech hotend?

Yes, the SE and KE heat sink accepts both the stock Creality hotend and the Micro Swiss FlowTech hotends made for these printers. Micro Swiss also sells its own machined heat sink for the SE and KE, but the genuine Creality part keeps your toolhead identical to the factory build.

How difficult is it to replace the heat sink?

It is a screwdriver job you can finish in one sitting. Let the hotend cool fully, remove the toolhead cover and fan, release the M4 screw holding the hotend, then swap the heat sink and refit in reverse. Run a PID tune afterwards so the printer recalibrates temperature control for the rebuilt hotend.

Is local support available if I am unsure which part I need?

Yes, our South African support team can confirm the correct part for your printer before you order. Log a technical support ticket with your printer model and a photo of the toolhead, and we will help you work out whether you need the heat sink, a fan or a complete hotend.