Breville / Sage 58 mm Group Gasket (AZ-BR58)

Product Overview

The AZ Coffee AZ-BR58 Group Gasket is a premium Food Grade silicone replacement gasket specifically engineered for Breville and Sage espresso machines equipped with a 58 mm group head. Designed to create a reliable seal between the group head and portafilter, it helps prevent water leakage, maintain stable brewing pressure, and deliver consistent espresso extraction.

Manufactured from high-quality Food Grade silicone, the gasket provides excellent resistance to heat, brewing pressure, coffee oils, and daily wear. Its precision Double Groove profile ensures a secure portafilter fit while extending the service life of both the group head and portafilter.

Suitable for home users, specialty coffee shops, commercial cafés, and espresso machine service technicians.

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Features

* Premium Food Grade Silicone
* Precision-engineered Double Groove profile
* Excellent sealing performance
* Prevents water leakage during extraction
* Secure and stable portafilter locking
* High heat resistance
* High pressure resistance
* Resistant to coffee oils and cleaning chemicals
* Long service life
* OEM-quality replacement
* Manufactured to AZ Coffee quality standards

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Technical Specifications

Compatible Brands

* Breville
* Sage

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Compatible Espresso Machines

Breville

Dual Boiler Series

* BES900
* BES900XL
* BES920
* BES920XL
* BES920BSS

Oracle Series

* BES980
* BES980XL
* BES980BSS

Oracle Touch Series

* BES990
* BES990XL
* BES990BSS

Oracle Jet Series

* BES985

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Sage

Dual Boiler

* The Dual Boiler

Oracle

* The Oracle

Oracle Touch

* The Oracle Touch

Oracle Jet

* The Oracle Jet

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Cross Reference

* Breville 58 mm Group Head Gasket
* Sage 58 mm Group Head Gasket
* Breville Oracle Group Gasket
* Sage Oracle Group Gasket
* Breville Dual Boiler Group Gasket
* Sage Dual Boiler Group Gasket
* Breville Oracle Touch Group Gasket
* Sage Oracle Touch Group Gasket
* 58 mm Espresso Machine Group Gasket
* 58 mm Group Seal
* Espresso Machine Group Head Seal

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Signs That Replacement Is Needed

Replace the group gasket if you notice any of the following symptoms:

* Water leaking around the portafilter during extraction
* Portafilter rotates further than normal before locking
* Unstable brewing pressure
* Steam leaking from the group head
* Hardened, cracked, flattened, or worn gasket
* Inconsistent espresso extraction caused by pressure loss

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Installation & Maintenance

* Clean the group head thoroughly before installing a new gasket.
* Remove coffee oils and residue regularly.
* Inspect the gasket periodically for wear or hardening.
* Replace the gasket when sealing performance begins to decline.
* For optimal performance, inspect or replace the shower screen at the same time.

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Important Note

Please verify your espresso machine model before purchasing. This gasket is specifically designed for Breville and Sage 58 mm group head systems.

This product is NOT compatible with Breville or Sage espresso machines using 51 mm or 54 mm group heads, including Bambino, Bambino Plus, Duo-Temp Pro, The Infuser, Barista Express, Barista Pro, and Barista Touch models.

Selecting the correct group gasket ensures proper sealing, stable brewing pressure, consistent espresso extraction, and extends the service life of your espresso machine.