51mm Bottomless Portafilter compatible with Breville 840, 870, 878, 880, Bambino, BE820, BES450; Smeg KA5995, KF5400; Solis BE820
This 51mm bottomless portafilter features a 3-ear design and a pink plastic handle. The basket is crafted from food-grade stainless steel for corrosion resistance and easy cleaning.
Key facts
- Part type
- Bottomless Portafilter
- Type
- Aftermarket replacement
Compatibility matrix
Only models verified by our team are listed| Parts for | Model | This part |
|---|---|---|
| Breville | Breville 840 | Fits |
| Breville BES450 | Fits | |
| Breville 878 | Fits | |
| Breville BE820 | Fits | |
| Breville Bambino | Fits | |
| Breville 880 | Fits | |
| Breville 870 | Fits | |
| Smeg | Smeg KA5995 | Fits |
| Smeg KF5400 | Fits | |
| Solis | Solis BE820 | Fits |
Only the models listed above have a confirmed catalog fit. If yours is absent, compatibility is unknown, not ruled out. Compare the exact model identifier and any published dimensions or connectors before ordering.
Where to find your model number
- Breville: On the rating plate under the machine; the model starts with "BES", "BKE", "BOV" etc.
- Smeg, Solis: Usually on the rating plate under the machine or behind the water tank.
General manufacturer guidance: exact label position can vary by model.
Bottomless Portafilter specifications
- Diameter
- 51mm
- Ear Count
- 3-ear
- Material
- Stainless Steel / Plastic
- Color
- Pink
- Certification
- FCM
Installation guide - Fitting a portafilter
General guidance for this part type - always follow your device manual- No tools required
- A handle that turns past center or leaks usually means the group gasket is worn.
- Bottomless portafilters show channeling; a spraying shot points to uneven tamping, not a faulty part.
- 1Check the match. Confirm the group head size and the number of locking ears match the compatibility list on this page.
- 2Fit the basket. Press the filter basket into the portafilter until it sits flush; press in baskets snap in with thumb pressure.
- 3Insert it. Line up the ears with the slots in the group head and push up.
- 4Lock it. Turn the handle until it locks firmly, typically near perpendicular to the machine. Do not force it further.
- 5Run a blank shot. Run water only and check for drips around the rim.
Read the full guide: How to Fit a Replacement Portafilter →
This is general guidance for the part type, not a model-specific procedure. If the part does not fit without force, stop and recheck compatibility.
Maintenance check
Signs it's time to replace
- 01Handle is loose, cracked or broken
- 02Leaking around the group head while brewing
- 03Basket no longer stays in place
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12 month warranty on every part
Every part we sell is covered for 12 months from delivery. If it fails in normal use, we replace it or refund you , claim it straight from your order page.
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Questions & answers
+Which models does this bottomless portafilter fit?
Our team verified it for Breville 840, Breville BES450, Smeg KA5995, Breville 878, Solis BE820, Breville BE820 and 4 more. The full list is in the compatibility table above.
+How do I make sure it fits my exact model?
Find the model number on your device label and compare it with the table above. Our fit guarantee covers verified models.
+What diameter is it?
Listed size: 51mm. Match it to the group head size of your espresso machine.
+What is the bottomless portafilter made of?
Listed material: Stainless Steel / Plastic.
+Does it have any certifications?
Listed certification: FCM, as stated by the manufacturer.
+Is it hard to install?
Install difficulty: Moderate · basic hand tools. Step by step instructions are on this page.
+How fast will it arrive?
US orders arrive in 7 to 15 business days with free shipping. Other countries are shown at checkout.
+Is there a warranty?
Yes, a 12-month warranty is included, and you can extend it at checkout. Returns are accepted within 30 days.