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La Marzocco L105/B6

La Marzocco L105/B6 GASKET, PORTAFILTER 6MM, FLAT

Regular price $2.78

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

When your espresso machine starts leaking around the portafilter or if you are asking yourself, "Why is my La Marzocco portafilter leaking?", the essential replacement is the GASKET, PORTAFILTER 6MM, FLAT (Part # L105/B6). This genuine OEM flat gasket is designed to create a rock-solid, high-pressure seal between the group head and the portafilter basket, eliminating frustrating leaks and ensuring consistent espresso extraction. Manufactured from durable, high-grade rubber (or silicone, depending on the machine's requirement for temperature resistance), this 6mm flat profile gasket maintains its integrity under extreme heat and constant compression, guaranteeing maximum longevity in high-volume commercial environments. Restore optimal performance by replacing your worn-out gasket before it leads to downtime.

The key benefit of the L105/B6 gasket is the restoration of consistent extraction pressure, solving the common "loss of pressure during espresso shot" issue. This 6mm flat gasket ensures the portafilter locks in tightly every time, preventing channeling and spray-outs that ruin shot quality. If you're experiencing a loose-fitting portafilter or a bitter, watery shot, the L105/B6 is the precision-fit component you need. This replacement process is a simple, cost-effective maintenance task that significantly extends the life and performance of your professional espresso machine.

The GASKET, PORTAFILTER 6MM, FLAT (L105/B6) is specified for use in various La Marzocco models requiring a 6mm flat gasket profile. Its specifications are a critical 6mm thickness and a flat cross-section design, ensuring compatibility and a perfect seal for the group head. Regularly replacing this part is crucial preventive maintenance for any commercial machine. This small investment prevents expensive repairs and ensures you continue to pull perfect, high-quality shots without the common "espresso machine gasket failure" problem.

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/B6 fits La Marzocco machines. 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.

Compatibility for this specific La Marzocco part is currently being indexed. Because many parts from this manufacturer are cross-compatible, we rely on technical feedback. If you know this is a match for a specific machine, please contact us to help us verify and add it to our list.

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 gasket, portafilter 6mm, flat ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #L105/B6 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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