Restore your espresso machine to peak performance with SERA's premium 54mm silicone gasket sealing rings. Engineered for precision and reliability, these food-safe replacement gaskets eliminate leaks and ensure consistently perfect extractions with every shot. ⚙️ At a Glance Type Grouphead Gasket Material Food-Safe Silicone Size 54mm Diameter Quantity 2 Pieces 🔧 Compatibility Perfectly matched for Breville espresso machines (878, 870, 880, 860, 840, 810, 450, 500) and Sage series machines (500, 810, 870, 875, 878, 880). An essential replacement part for home baristas who demand reliable performance across multiple machine generations. ☕ Breville Compatible 🛡️ BPA Free 🧼 Dishwasher Safe ✓ Sage Compatible 📐 Specifications ⌬ Diameter 54mm 🧬 Material Premium Silicone 💧 Finish Water-Tight Seal ✓ Certification Food-Safe BPA Free 🧼 Care & Maintenance These premium silicone gaskets are designed for effortless care—simply place in your dishwasher or hand wash with warm soapy water. We recommend replacing your gasket annually to maintain optimal sealing integrity and preserve the quality of your espresso extractions. This simple maintenance ritual ensures your machine performs at its best and extends the lifespan of your equipment. 🎯 Made For Ideal for dedicated home café enthusiasts and passionate baristas who demand excellence in every extraction. Whether you're perfecting your latte art, exploring single-origin espressos, or pursuing the perfect shot, these gaskets ensure consistent, leak-free performance that elevates your home brewing experience to professional standards. — Why We Selected This — SERA's silicone gasket replacements represent the intersection of precision engineering and practical durability. We chose this product for its exceptional compatibility across multiple Breville and Sage machine generations, premium food-safe silicone construction, and proven reliability among home baristas worldwide. The two-piece pack ensures you always have a spare ready, while the annual replacement recommendation reflects our commitment to your machine's longevity and your coffee's perfection. 📦 Product Details Product Type Espresso Machine Grouphead Gasket Diameter Size 54mm ↩️ 30-Day Returns Unused items, 30 days. Damaged, wrong, or lost made right. 🔒 Secure Checkout Encrypted payment, trusted by Shopify. 📦 Tracked Shipping Every order ships with tracking. Why Home Cooks Choose SERA ✓ Hand-Curated Every tool & ingredient is selected for quality — not mass-listed. ✓ Café & Kitchen Guidance Clear how-to notes so you get great results at home. ✓ Real Support Questions? Our team replies within 24–48 hours. 📬 Shipping & Delivery: Your order ships with tracking and a confirmation email. Delivery times vary by destination. Easy 30-day returns on unused items — plus damaged, wrong, or lost orders made right.