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La Marzocco L137/3

La Marzocco L137/3 11 MM.FERRULE WITH 3.4 MM.HOLE | Fits GS3, Leva 1 & More

Regular price $7.63

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

Restore the integrity of your espresso machine's critical connections with the genuine 11 MM.FERRULE WITH 3.4 MM.HOLE (Part # L137/3). This precision-machined La Marzocco component is essential for creating a secure, high-pressure seal in steam or water lines. Key specifications include an 11mm outer diameter and a perfectly sized 3.4mm inner bore, ensuring optimal compatibility and flow within the machine's complex plumbing system. Using this OEM-quality ferrule is the definitive solution to prevent common issues like "why is my espresso machine leaking water" or "how to fix steam pipe leaks."

This specialized ferrule guarantees longevity and prevents downtime in high-volume commercial environments. When wear and tear compromises your machine, leading to "pressure loss in espresso machine steam wands," the replacement of degraded fittings with the L137/3 ferrule ensures maximum efficiency. Its purpose is to compress and seal tubing within a compression fitting, securing reliable performance and maintaining consistent boiler pressure, which is crucial for perfect espresso extraction. Investing in this small but vital part prevents costly system failures and erratic operation.

Ideal for preventative maintenance and repair on La Marzocco models, the 11 MM.FERRULE WITH 3.4 MM.HOLE (L137/3) provides a snug, reliable fit that resists high-temperature and high-pressure applications. If you are experiencing "weak steam pressure after replacing a gasket," check your fittings. Replace your damaged or worn ferrules with this durable component to quickly and effectively solve sealing issues, ensuring all internal connections remain leak-proof and your machine operates safely and consistently at peak performance.

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 #L137/3 fits La Marzocco machines, including the GS3, Leva 1, Leva 90, Leva S, Leva X, Leva x1, Modbar Steam, Strada EP, Strada X 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 GS3, Leva 1, Leva 90, Leva S, Leva X, Leva x1, Modbar Steam, Strada EP, Strada X series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #L137/3 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 11 mm.ferrule with 3.4 mm.hole ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #L137/3 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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