The Breville BES900 takes the Breville 58 mm group head seal (part SP0001635) as its group head seal; Australian sellers list it from A$4.50 each as of 28 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your coffee machine
Breville BES900
Confirmed against Breville's listConfirmed against Breville's own compatibility list
Not yours? Change
Takes the SP0001635 group head seal
58 mm group head seal · check the code on your old part before ordering.

Your coffee machine
Confirmed against Breville's listConfirmed against Breville's own compatibility list

Takes the SP0001635
Group head seal · check the code on your old part.
Other Breville coffee machines that take the SP0001635
GenuineGenuine Breville
$11.95
Breville Australia · 1 NovLowest genuine · Breville Australia · checked 1 Nov
CompatibleCompatible option
$4.50 each
2-pack $8.99
Amazon AU · 28 OctAmazon AU · checked 28 Oct
Check sellerCheck seller details
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 compatibleLowest compatible price · $4.50 each · 2-pack $8.99
Amazon AU. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
This coffee machine also takes a descaler
- Breville the Machine Descaler, 6 sachetsOpen Amazon AU$34.00
Reduces limescale in the boilers and water tank. Descale every 1–2 months, or when the machine shows its descale alert.
Compare 3 sellers
Compare 6 listings from 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
5 listings from 2 sellers
Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it when it is worn or damaged; Breville gives no set interval.
After replacing: No reset: Breville machines have no reminder for the group head seal.
How to change the group head seal in your Breville BES900
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Switch the machine off, unplug it and let the group head cool completely.
- 2Breville's books for the Dual Boiler and Oracle machines show how to take the shower screen off for cleaning (the Oracle Touch book undoes its centre screw with the Allen key), not how to change the seal.
- 3If the old seal 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:
- Breville 58mm group head seal
- Retail name:
- Breville 58mm Seal Showerhead
- Retail name:
- Breville 58mm silicone seal
- Retail name:
- Breville Oracle group head seal
- Retail name:
- SP0001635
- Replaces:
- BES900/03.38
Sellers list any of these; they are the same part.
About your Breville BES900

Breville coffee machine — the Dual Boiler. Its group head seal is the 58 mm group head seal, part SP0001635.
Also in this coffee machine:
- Breville the Machine Descaler, 6 sachets.
- Breville the Machine Descaler, 12 sachets. Alternative to the BCC101: the same sachets in a 12-pack.
- Breville Eco Liquid Descaler 2 x 100 ml. Liquid alternative to the BCC101 sachets: one bottle per descale.
Where the model number is: Turn the machine around or tip it back: the model (BES… on an espresso machine, BCG… on a grinder) is on a sticker on the underside or the back panel.
Common questions
- Which group head seal fits the Breville BES900?
- The Breville BES900 takes the Breville 58 mm group head seal (part SP0001635).
- Where can I buy the SP0001635 in Australia?
- We track 3 Australian sellers for the SP0001635; the lowest listed price when we last checked was A$4.50 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the SP0001635 in a Breville BES900?
- 3 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A hardened seal stops sealing against the portafilter: espresso runs out around its edge and water leaks from the group head during the shot.
- Is there anything to reset afterwards?
- No reset: Breville machines have no reminder for the group head seal.
Something looks wrong with the BES900 match? . Reports go to a person, not a bot.