The Breville BBL420 takes the Breville Kinetix Aero blade assembly (part SP0000394) as its blade; Australian sellers list it from A$41.95 as of 2 November 2026. Fitment confirmed against the manufacturer's compatibility list.
Your blender
Breville BBL420
Blender
Confirmed against Breville's listConfirmed against Breville's own compatibility list
Not yours? Change
Takes the SP0000394 blade
Kinetix Aero blade assembly · check the code on your old part before ordering.
Your blender
Blender
Confirmed against Breville's listConfirmed against Breville's own compatibility list
Takes the SP0000394
Blade · check the code on your old part.
Other Breville blenders and their blades and parts
The SP0000394 fits the BBL420 only. These Breville models take a different blade:
GenuineGenuine Breville
$41.95
Breville Australia · 2 NovLowest genuine · Breville Australia · checked 2 Nov
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Breville. Compatible: another brand.Genuine is made by Breville. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $41.95
Breville Australia. Every seller we track is listed below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 1 seller
AUD, before delivery. Each price shows when it was checked.
Opens Breville Australia in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it when the blades are damaged; Breville gives no set interval.
After replacing: No reset: the Kinetix Aero has no blade reminder.
How to change the blade in your Breville BBL420
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Switch the blender off, unplug it at the wall and take the jug off the motor base.
- 2Breville's site has no instruction book for the Kinetix Aero, so it doesn't show how the blade assembly comes out.
- 3If the old blade won't come out easily, or you are unsure, ask Breville or a Breville service agent to fit the new one.
Every number this part goes by
- Retail name:
- SP0000394
Sellers list any of these; they are the same part.
About your Breville BBL420
Breville blender — the Kinetix Aero. Its blade is the Kinetix Aero blade assembly, part SP0000394.
Where the model number is: The model is on the label under the motor base, and on the box. Unplug the blender first.
Fits this Breville model
Breville1 model
Common questions
- Which blade fits the Breville BBL420?
- The Breville BBL420 takes the Breville Kinetix Aero blade assembly (part SP0000394).
- Where can I buy the SP0000394 in Australia?
- We track 1 Australian seller for the SP0000394; the lowest listed price when we last checked was A$41.95 at Breville Australia. Prices are re-checked daily and dated on this page.
- How do I fit the SP0000394 in a Breville BBL420?
- No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- Blunt blades blend more slowly and leave chunks.
- Is there anything to reset afterwards?
- No reset: the Kinetix Aero has no blade reminder.
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