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Mazzer M28400004

Mazzer M28400004 Gasket Aer-Stop | Fits Kold E, Kony E 1 & More

Regular price $4.32

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 flawless performance of your Mazzer grinder with the genuine **Mazzer Gasket Aer-Stop (M28400004)**. This small but critical OEM seal plays a vital role in maintaining the integrity of the grinder's mechanism, specifically within the dosing chamber or grounds distribution area, ensuring a tightly sealed system. Manufactured from high-quality, durable material, this Aer-Stop gasket prevents the escape of fine coffee particles and minimizes exposure to air, which is essential for consistent dosing and preventing grinder mess. If you are experiencing problems like **why is my Mazzer grinder leaking coffee grounds** or **how to stop coffee grounds from spilling**, replacing this worn-out gasket is the definitive solution to maintain cleanliness and efficiency.

The Mazzer Gasket Aer-Stop is an essential preventative maintenance item designed to fit precisely into your compatible Mazzer model (check your machine's manual for specific fitment). Its primary feature is creating an airtight seal that optimizes grounds retention and flow, contributing directly to shot consistency. Replacing your old, hardened, or cracked gasket ensures you maximize the efficiency of your espresso workflow. Stop tolerating **inconsistent dosing with Mazzer grinder** or **Mazzer grounds build up around doser** by investing in this genuine part. The low cost and simple replacement procedure make this gasket a high-impact solution for commercial and home baristas dedicated to optimal espresso quality.

This OEM component (Part No. M28400004) is engineered to Mazzer's exacting standards, providing the exact dimensions and material composition required for longevity under heavy use. Don't risk downtime or compromised espresso quality with third-party seals; choose the official Mazzer Gasket Aer-Stop for guaranteed compatibility and peak function. Keep your Mazzer running quietly and cleanly, eliminating the frustration of **Mazzer grinder static problems** caused by improper sealing. Order your genuine M28400004 replacement gasket from Kaldi.com today and ensure your Mazzer grinder operates like new.

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 #M28400004 fits Mazzer machines, including the Kold E, Kony E, Kony E 1, Mini A, Robur E 1, Super Jolly E 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 Kold E, Kony E, Kony E 1, Mini A, Robur E 1, Super Jolly E series. However, many Mazzer components are interchangeable across different platforms. If you have successfully installed Part #M28400004 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 gasket aer-stop ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #M28400004 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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