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La Marzocco A.5.055

La Marzocco A.5.055 Shaft, conical Paddle Valve, GS3 | Fits GS3 & Strada MP

Regular price $335.64

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 manual flow control and precision of your La Marzocco GS3 espresso machine with the genuine **Shaft, conical Paddle Valve, GS3 (Part \# A.5.055)**. This essential OEM component is the central pivot of the GS3's mechanical paddle system, allowing baristas to execute manual pressure profiling and manipulate pre-infusion like a traditional lever machine. Engineered from high-grade, durable stainless steel and machined to exacting factory specifications, this shaft ensures smooth, consistent rotation and flawless connection to the conical valve seal. Key features include its robust construction for longevity and the precise threading necessary for perfect fitment within the GS3 brew group.

If you are experiencing issues like a **leaking La Marzocco GS3 paddle valve** or the paddle action feels stiff and unresponsive (**GS3 paddle valve won't turn**), a worn or damaged shaft assembly is often the root cause. Replacing the component with this OEM part is the definitive **solution for inconsistent GS3 pre-infusion** control. The Shaft, conical Paddle Valve, GS3 is crucial for maintaining the precise hydraulic control that makes the GS3 renowned among professionals. Its correct function ensures reliable, repeatable pressure ramps, maximizing espresso extraction quality.

This critical part is compatible exclusively with the La Marzocco GS3 espresso machine. Installation of the paddle valve shaft should be performed by a qualified technician to ensure correct calibration and optimal performance. Maintain the legendary performance and tactile control of your GS3 by investing in this official A.5.055 replacement shaft from Kaldi.com, guaranteeing that your **GS3 paddle valve repair** is completed with the highest quality component available.

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 #A.5.055 fits La Marzocco machines, including the GS3, Strada MP 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, Strada MP series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #A.5.055 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 shaft, conical paddle valve, gs3 ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #A.5.055 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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