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| Outside Diameter | 65 mm |
| Inside Diameter | 49 mm |
| Depth | 6.8 mm (10 mm with lip) |
| Material | Silicone |
| Color | Beige |
| Pattern | Solid |
Buy a replacement gasket for your Breville Barista range espresso machine. This gasket is designed for use with most Breville espresso machines with a 54mm group head (models listed below). Gaskets generally need to be replaced when they wear out. You'll know it's time to replace your group head gasket if you see any leaking from the group head while brewing. Breville 54mm Group Head Gasket specifications Outside diameter: 65mm Inside diameter: 49mm Depth: 6.8mm (10mm with lip) Material: silicone Compatible with the following Breville machines: Bambino Plus BES500 Barista Express BES860XL Barista Express BES870XL Barista Pro BES878 Barista Touch BES880 Duo-Temp Pro BES810 Infuser BES840XL
The catalog often lists the same model at several merchants — worth a price check before you buy.