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Astoria 28003354

Astoria 28003354 Stepless Adjust. Mechanism M42/M6D C00071654

Regular price $100.36

This part ships directly from Astoria and stock is not guaranteed. Lead time averaging 3 to 5 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

Astoria Stepless Adjustment Mechanism, compatible with model variants M42 and M6D (part number C00071654, catalog number 28003354), is a precision-engineered component designed to enhance the performance and user experience of Astoria espresso machines. This mechanism allows baristas to make infinitely variable adjustments to the grind size and tamping pressure without the constraints of preset notches or steps. Its stepless design provides unparalleled control over extraction parameters, enabling finer tuning of the espresso shot to achieve optimal flavor profiles consistently. Constructed from high-quality materials, the mechanism ensures durability and smooth operation under the demanding conditions of commercial coffee environments.

One of the key features of the Stepless Adjustment Mechanism is its intuitive operation, which allows for subtle and accurate modifications to the espresso brewing process. This level of control is essential for professional settings where bean origin, roast levels, and humidity can impact the grind requirements and shot timing. By allowing continuous rather than stepped adjustments, this mechanism reduces guesswork and streamlines the process of dialing in new coffee beans or adapting to changing conditions throughout the day. This precision translates directly into a superior espresso shot with balanced extraction, enhanced crema, and rich, nuanced flavors that delight customers and maintain consistency across service.

Designed specifically for compatibility with the Astoria M42 and M6D espresso machines, the part integrates seamlessly without requiring extensive recalibration or additional modifications. Its robust build quality ensures long-lasting reliability, minimizing downtime and maintenance needs in busy cafes and coffee shops. The Stepless Adjustment Mechanism serves as an essential upgrade or replacement component for cafés seeking to maximize their espresso bar’s performance, offering baristas the highest level of control and flexibility to refine their craft. For Kaldi.com customers aiming to support professional-grade equipment with premium parts, this mechanism is an indispensable solution to elevate their espresso making to the next level.

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 #28003354 fits Astoria 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 Astoria 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 Astoria including this ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #28003354 is a 100% genuine OEM component sourced directly from the Astoria factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Astoria parts typically range from 3 to 5 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All Astoria parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All Astoria parts come with a no returns, all sales final return policy. Please see our refund policy or chat for more details.

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