54mm Food-Grade Silicone Group Head Gasket – Compatible with Breville 8-Series & Sage Coffee Machines Keep your espresso machine performing at its best with this durable food-grade silicone replacement gasket. Designed to fit Breville 8-Series and Sage espresso machines, this 54mm group head seal delivers a leak-free, airtight connection between your portafilter and group head — so every shot extracts with full pressure, rich aroma, and consistent flavour. Made in Mainland China. Why Replace Your Group Head Gasket? Over time, even high-quality gaskets wear down from heat, pressure, and daily use. A worn seal can cause pressure loss, messy leaks, and a drop in espresso quality. This affordable replacement restores a tight, reliable seal in minutes — no tools or professional help needed. Key Features Food-Grade Silicone Material: Safe, non-toxic, and BPA-free — built for direct contact with hot water and coffee. Resists heat, cold, and daily wear for long-lasting performance. Excellent Sealing Performance: Creates an airtight seal to prevent drips and pressure loss during brewing, preserving the full taste and aroma of your espresso. Easy DIY Installation: Simple push-fit design lets you swap out the old gasket quickly and effortlessly — no special tools or technical knowledge required. Heat & Pressure Resistant: Engineered to withstand the high temperatures and pressures of espresso brewing, maintaining its shape and seal through thousands of cycles. Easy to Clean: Smooth silicone surface resists coffee oil buildup and wipes clean easily, helping you maintain hygiene and consistent brew quality. Specifications Material: Food-grade silicone Colour: Light yellow Inner Diameter: 48.5mm (approx. 1.91 in) Outer Diameter: 64.5mm (approx. 2.54 in) Compatible With: Breville 8-Series, Sage espresso machines (54mm group head) Package Includes: 1 × Silicone Gasket/Seal Ring Notes Product photos are for illustration purposes; please refer to the listed dimensions to confirm compatibility. Minor measurement differences (±1mm) may occur due to manual measurement. Actual colour may vary slightly from screen to screen due to monitor calibration. Complete Your Home Barista Setup Pair this gasket with other quality coffee accessories from our store: Bincoo 304 Stainless Steel Espresso Shower Screen – Upgrade your group head for even water distribution and better extraction. Bincoo 51/58mm Espresso Dosing Funnel & Magnetic Dosing Ring – Minimise mess and maximise precision when dosing your grounds. BINCOO 51/58mm Constant Pressure Coffee Tamper & Distributor Set – Achieve a perfectly level, consistent tamp every time. Learn more: FDA food safety in the kitchen Frequently Asked Questions Q: Is this silicone gasket compatible with all Breville espresso machines? A: This 54mm silicone gasket is specifically designed to be compatible with Breville 8-Series and Sage espresso machines that use a 54mm group head. Please verify your machine's group head diameter (inner: 48.5mm / outer: 64.5mm) before purchasing to ensure a correct fit. Q: How often should I replace my espresso machine group head gasket? A: As a general guide, a group head gasket should be replaced every 6–12 months with regular daily use, or sooner if you notice leaking around the portafilter, difficulty locking the portafilter in place, or reduced extraction pressure. Q: Is this gasket food-safe and heat-resistant? A: Yes. This gasket is made from food-grade silicone, which is non-toxic, BPA-free, and rated to withstand the high temperatures and pressures generated during espresso brewing. It is safe for contact with hot water and coffee. Q: Can I install this gasket myself without a technician? A: Absolutely. The gasket features a straightforward push-fit design. Simply remove the old worn gasket from the group head and press the new one firmly into the groove. No special tools or professional expertise are required. Production & Packaging Notice To maintain high stock availability and