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Astoria 12304

Astoria 12304 Gasket O-Ring Brew Group 70 Shore | Fits Argenta, Lisa & More

Regular price $3.87

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 Distribution Group (Gr.) gasket 4187 70SH (part number 12304) is a high-quality, precision-engineered sealing component designed specifically for Astoria espresso machines. Manufactured using premium 70 Shore hardness silicone rubber, this gasket provides exceptional durability, heat resistance, and flexibility, ensuring an airtight seal within the machine’s distribution group. Its exact fitment maintains optimal water pressure and flow during the espresso extraction process, which is critical for achieving consistent coffee quality and machine performance.

This gasket plays a vital role in preventing leaks and minimizing wear between the distribution group and other internal components. By maintaining a reliable seal, it helps preserve the internal system’s integrity, reducing the risk of damage due to water seepage or contamination. Additionally, the material’s high resistance to heat and chemical exposure ensures long service life even under the demanding conditions of a commercial espresso environment. For café owners and baristas, this means less downtime, fewer maintenance interventions, and steady beverage output that meets customer expectations.

Ideal for routine maintenance or part replacement in Astoria commercial espresso machines, the Distribution Gr. OR gasket 4187 70SH (12304) supports the ongoing efficiency and reliability of your espresso setup. Whether you’re performing preventive upkeep or repairing a worn component, this gasket installation is straightforward, helping to quickly restore your machine’s functionality. Keep your Astoria equipment running smoothly with this essential sealing part, and consistently deliver the rich, full-bodied espresso your customers crave.

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 #12304 fits Astoria machines, including the Argenta, Lisa, Plus 4 You, Plus 4 You Champion, Plus 4 You TS, Plus 4 You Advantage MB, Tempesta, Vintage TFT, Wega Urban, Lavazza LB 4801, Lavazza LB 4802 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 Argenta, Lisa, Plus 4 You, Plus 4 You Champion, Plus 4 You TS, Plus 4 You Advantage MB, Tempesta, Vintage TFT, Wega Urban, Lavazza LB 4801, Lavazza LB 4802 series. However, many Astoria components are interchangeable across different platforms. If you have successfully installed Part #12304 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 Astoria including this gasket o-ring brew group 70 shore ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #12304 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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