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La Marzocco L105/A

La Marzocco L105/A O RING, DIFFUSER | Fits FB70, Linea Classic & Linea Mini

Regular price $4.41

This part ships directly from La Marzocco and stock is not guaranteed. Lead time averaging 7 to 9 business days for ground shipments, 1 to 2 business days for Overnight.

If unavailable, the item will be backordered. If you have any questions check parts sheets below description. Please email or chat to confirm availability prior to ordering.

Description Details

Upgrade your espresso machine's performance and prevent critical leaks with the genuine La Marzocco O RING, DIFFUSER (Part # L105/A). This essential, high-durability seal is engineered specifically for the diffuser component, which ensures even water distribution over the coffee grounds. Made from OEM-specified, heat-resistant material, the L105/A diffuser O-ring provides a perfect, tight fit crucial for maintaining consistent brew pressure during extraction. Its precise dimensions guarantee compatibility and longevity, making it the ideal replacement part when you notice signs of wear.

The O RING, DIFFUSER (L105/A) is the definitive **solution to leaking espresso machine diffuser O-rings** and inconsistent extraction. If you are experiencing **water leaking from the group head** or seeing a drop in brew pressure, a compromised diffuser seal is often the culprit. By restoring the seal integrity, this O-ring ensures that water flows exactly as intended, leading to superior shot consistency and preventing expensive damage from water ingress to other group head components. Installing this new seal guarantees your espresso machine operates at peak efficiency, maintaining the perfect pressure profile for flawless espresso extraction.

To use, carefully replace the old, worn diffuser seal with the new O RING, DIFFUSER (L105/A) during routine preventative maintenance or immediately upon diagnosing a pressure loss issue. This small, yet vital, component is a necessary investment for **fixing espresso machine water pressure problems** and preserving the lifespan of your commercial unit. Ensure you maintain stock of the L105/A O-ring to minimize downtime and keep your café running smoothly with consistent, high-quality espresso output.

Descriptions are for reference only. We do our best to fill in the blanks when manufacturers don’t provide descriptions, but details can vary. We strongly recommend checking with the manufacturer for the exact part number you need. Ordering based on the part number—rather than the description—is the best way to ensure compatibility.

Frequently Asked Questions

This Part #L105/A fits La Marzocco machines, including the FB70, Linea Classic series. Compatibility may be specific to the machine's production year and model. Please consult the technical PDFs and compatibility data on this page to confirm a match for your specific unit before finalizing your purchase.

Our current database shows fitment for the FB70, Linea Classic series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #L105/A on a model we haven't listed, please let us know so we can update our records for the community.

If you are unsure of the fit, do not guess. To prevent downtime, please view our Compatible Parts Diagrams to check the exploded view PDF for your specific unit, or message our parts team for assistance.

Parts from La Marzocco including this o ring, diffuser ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #L105/A is a 100% genuine OEM component sourced directly from the La Marzocco factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for La Marzocco parts typically range from 7 to 9 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All La Marzocco parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All La Marzocco parts come with a 30 day return policy. Please see our refund policy or chat for more details.
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