51/58mm Espresso Portafilter Silicone Sealing Gasket Ring

Keep your espresso machine brewing perfectly with this premium silicone rubber sealing gasket. Designed to fit standard 51mm and 58mm portafilter handles, this replacement ring creates a tight, leak-free seal between your group head and portafilter — ensuring consistent pressure and a great cup every time. Made in Mainland China.

Key Features

• Universal Fit: Compatible with most 51mm and 58mm espresso machine portafilters
• High-Quality Silicone Rubber: Durable, heat-resistant material that maintains its shape and seal over repeated use
• Leak-Free Performance: Provides a firm, airtight seal to maintain optimal brewing pressure
• Easy Replacement: Simple drop-in installation — no special tools required
• Food-Safe Material: Made from food-grade rubber, safe for contact with hot water and steam
• Color: White

Specifications

• Material: Silicone Rubber
• Size A (Inner Diameter): 6.5 cm / 2.55 in (fits 51mm portafilters)
• Size B (Inner Diameter): 7.7 cm / 3.03 in (fits 58mm portafilters)
• Color: White
• Package Includes: 1 × Sealing Gasket Ring
• Country of Origin: Made in Mainland China

Important Notes

• Please refer to the size specifications above rather than photos for accurate sizing.
• Allow ±5–10mm variance due to manual measurement.
• Colors may vary slightly between different screens and monitors.

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Learn more: Nutrition.gov on cooking and food safety

Frequently Asked Questions

Q: What espresso machine sizes is this sealing gasket compatible with?

A: This silicone sealing gasket is designed to fit standard 51mm and 58mm portafilter group heads, which are among the most common sizes used in home and commercial espresso machines. Please check your portafilter diameter before ordering to ensure a correct fit.

Q: Is the silicone rubber material safe for use with hot water and steam?

A: Yes! The gasket is made from food-grade silicone rubber that is heat-resistant and safe for direct contact with hot water and steam, making it ideal for espresso machine use.

Q: How do I know when my espresso machine's sealing gasket needs replacing?

A: Common signs include water or steam leaking around the portafilter during brewing, difficulty locking the portafilter into place, or a visibly cracked, flattened, or hardened ring. Replacing the gasket promptly helps maintain brewing pressure and machine performance.

Q: Does this package include more than one gasket ring?

A: Each package includes 1 × silicone sealing gasket ring. If you need multiple rings, simply adjust the quantity at checkout.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.