Add a 5 lb bag of custom roasted coffee to your parts order and get an extra 20% off our wholesale coffee prices!
Mazzer Female Dosing Star (M28301)
This item ships directly from the manufacturer, and stock is not guaranteed. Lead time averaging 3 to 6 business days. If unavailable, the item will be backordered.
If you have any questions, please email or chat to confirm availability prior to ordering.
Restore the precision dosing of your Mazzer grinder with the genuine Mazzer Female Dosing Star (Part \# M28301). This essential OEM component is responsible for sweeping ground coffee out of the dosing chamber and into the portafilter, ensuring consistent, fluffy, and evenly distributed espresso doses. A worn or broken dosing star is often the underlying cause of common issues like **why is my grinder dosing inconsistently**, or **how to fix uneven espresso distribution** from my doser. Features of the M28301 include durable, food-grade material construction designed to withstand thousands of dosing cycles, precise fitment compatible with various Mazzer doser models, and a design that minimizes coffee retention inside the chamber.
By replacing your old dosing star with this genuine Mazzer part, you will immediately notice the benefit of dramatically improved dosing consistency, which is critical for pulling perfect espresso shots and maintaining high-volume workflow efficiency. Uneven dosing leads to poor extraction and wasted coffee, so installing a new M28301 solves the problem of **inconsistent espresso shots due to poor distribution**. This replacement part guarantees that your grinder operates according to factory specifications, delivering the consistent output necessary for high-quality café operation. Its simple, robust design contributes to the longevity and reliability of your commercial setup.
The Mazzer Female Dosing Star (M28301) is easy to install, minimizing downtime and quickly resolving issues related to **my Mazzer doser is jammed or dispensing slowly**. This part is the female component that mates with the dosing chamber shaft and is compatible with popular Mazzer grinder models that use a mechanical doser. Ensure your operation maintains optimal speed and precision—invest in the M28301 today and eliminate dose variability.
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.
Compatible with:*
Categories:
*While we strive to ensure that all information on this site is accurate, we do not guarantee that the part compatibility listings are 100% correct. It is the responsibility of the purchaser to verify fitment for their specific machine before ordering.