La Marzocco Convertible Portafilter
verified · 4 July 2026- Part type: Portafilter
- Size standard: 58mm
- Brand: La Marzocco
Fits these machines
- La Marzocco GS3 (58mm portafilter)
- La Marzocco Linea Micra (58mm portafilter)
- La Marzocco Linea Mini (58mm portafilter)
La Marzocco’s convertible portafilter — one body that swaps between single- spout, double-spout and bottomless. La Marzocco states it is “Compatible with all La Marzocco Home machines along with standard 58mm tampers,” so it is cross-referenced to the Linea Mini, Linea Micra and GS3. As a 58mm commercial-standard portafilter it takes standard 58mm baskets. Verified against La Marzocco’s official pages on 2026-07-04.
Also fits the same machines
Other items confirmed to fit machines this one fits — useful if you're kitting out a single setup. The count is how many of those machines overlap; nothing here is a new fitment claim.
- IMS B70 Competition 1 Cup (B701TH26.5E) (58mm basket) — shares 3 machines
- IMS B70 Competition 1 Cup H18.5 (B701TH18.5N) (58mm basket) — shares 3 machines
- IMS B70 Competition 1 Cup H19.5 (B701TH19.5N) (58mm basket) — shares 3 machines
- IMS B70 Competition 1 Cup H24.5 (B701TH24.5N) (58mm basket) — shares 3 machines
- IMS B70 Competition 2 Cup H22.5 M Pattern (B702TH22.5M) (58mm basket) — shares 3 machines
- IMS B70 Competition 2 Cup H24.5 (B702TH24.5M) (58mm basket) — shares 3 machines
FAQ
- What size is the La Marzocco Convertible Portafilter?
- It is a 58mm portafilter, for 58mm portafilter machines.
- Does the La Marzocco Convertible Portafilter fit 54mm Breville machines?
- No. It is 58mm, so it fits 58mm-standard machines, not Breville's 54mm Barista/Bambino line.
- Which machines does the La Marzocco Convertible Portafilter fit?
- La Marzocco GS3; La Marzocco Linea Micra; La Marzocco Linea Mini — each confirmed against manufacturer sources (listed below).
Sources
- https://home.lamarzoccousa.com/product/linea-micra/ (archived) — Official La Marzocco Home (USA) page, read firsthand 2026-07-04. States verbatim: 'The all-new convertible portafilter allows you to easily change between a single-spout, double-spout, and bottomless portafilter. Compatible with all La Marzocco Home machines along with standard 58mm tampers.'
- https://home.lamarzoccousa.com/product/linea-mini/ (archived) — Official La Marzocco Home (USA) Linea Mini page, read firsthand 2026-07-04, listing the 'Convertible Portafilter' among included accessories alongside the 58mm-standard baskets and convex tamper.
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