51mm Silicone Espresso Machine Group Head Sealing Gasket Ring

Keep your espresso machine brewing perfectly with this durable 51mm silicone sealing gasket. Designed as a direct replacement for the group head portafilter handle, this ring creates an airtight seal to ensure consistent pressure and prevent leaks with every shot.

Made from food-grade silicone, this gasket is heat-resistant, flexible, and built to last — making it a reliable upgrade or replacement for worn-out rubber rings on compatible 51mm espresso machines.

Made in Mainland China.

Key Features

• 51mm diameter — fits standard 51mm group head portafilters
• Food-grade silicone material — heat-resistant, flexible, and durable
• Creates an airtight seal to maintain consistent brew pressure
• Prevents leaks and drips during espresso extraction
• Easy DIY replacement — no special tools required
• Brand new and high quality

Specifications

• Material: Silicone
• Diameter: 51mm
• Color: As shown in product images
• Quantity: 1 piece per pack
• Origin: Mainland China

Package Includes

• 1 × 51mm Silicone Espresso Machine Sealing Gasket

Please Note: Product images may not reflect actual size — refer to specifications for exact dimensions. Allow ±5–10mm variance due to manual measurement. Colors may vary slightly between monitors.

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Learn more: Nutrition.gov on cooking and food safety

Frequently Asked Questions

Q: What size espresso machines is this silicone sealing ring compatible with?

A: This gasket is designed for espresso machines with a 51mm group head portafilter. Please measure your existing ring or check your machine's manual to confirm the 51mm diameter fits before purchasing.

Q: Is the silicone material safe for use with food and beverages?

A: Yes. This sealing ring is made from food-grade silicone, which is heat-resistant and safe for contact with hot water and coffee. It is designed to withstand the high temperatures typical of home and semi-professional espresso machines.

Q: How do I replace the sealing ring on my espresso machine?

A: Replacing the group head gasket is a straightforward DIY task. Remove the portafilter, use a flat-head tool or your fingers to pry out the old gasket, clean the group head channel, and press the new 51mm silicone ring firmly into place. No special tools are typically required.