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Mazzer M28303

Mazzer M28303 Doser Washer D. 5 thick 0,4

Regular price $2.73

This part ships directly from Mazzer 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 precision and hygiene of your commercial grinder with the genuine Mazzer Doser Washer D. 5 thick 0,4 (Part # M28303). This small but essential OEM replacement component is designed specifically for Mazzer grinder assemblies to ensure proper alignment and smooth operation within the dosing mechanism. Measuring 5mm in diameter and precisely 0.4mm thick, this high-quality washer prevents metal-on-metal contact, significantly reducing friction and wear in high-volume settings. If you are experiencing grinding consistency problems or a sticky doser, this tiny part can be the solution to your Mazzer maintenance issues.

Regular replacement of components like the Doser Washer is crucial for preventative maintenance, especially when dealing with fine coffee grounds and the demands of a busy café. Failing to replace worn or damaged washers can lead to excessive movement in the doser, resulting in uneven doses and inconsistent espresso quality. Installing the Mazzer Doser Washer M28303 ensures your grinder maintains its factory specifications, guaranteeing perfectly metered doses and preventing issues like "why is my Mazzer doser sticking?" The durable construction of this genuine Mazzer part ensures longevity and reliable function.

To use, simply integrate this washer into your doser assembly during cleaning or repair. This direct OEM replacement is compatible with various Mazzer models and is the definitive fix when diagnosing "how to stop friction in Mazzer doser." By restoring proper clearances, the Mazzer Doser Washer D. 5 thick 0,4 (M28303) helps prolong the life of your expensive grinder components, allowing for smooth, hassle-free operation and consistently high-quality espresso shots, all for an affordable price.

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 #M28303 fits Mazzer machines, including the Doser 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 Doser series. However, many Mazzer components are interchangeable across different platforms. If you have successfully installed Part #M28303 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 Mazzer including this doser washer d. 5 thick 0,4 ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #M28303 is a 100% genuine OEM component sourced directly from the Mazzer factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Mazzer 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 Mazzer parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All Mazzer parts come with a All sales final return policy. Please see our refund policy or chat for more details.

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