As an Amazon Associate I earn from qualifying purchases.Updated: March 27, 2026
The Gasket in your Breville Bambino BES450 ensures a tight seal during brewing, preventing leaks and maintaining optimal pressure. Over time, the Gasket wears down, leading to reduced performance, water leaks, or inconsistent extraction. Replacing it regularly helps maintain your machine's efficiency and longevity.
$7.99
Price from Amazon • As an Amazon Associate I earn from qualifying purchases.
Function: Creates a waterproof seal between the portafilter and brewing head.
Signs it needs replacing: Leaks around the portafilter during brewing, decreased pressure, or difficulty locking the portafilter in place.
OEM vs aftermarket: OEM Gaskets are designed specifically for Breville machines but can be pricier. Aftermarket options are often more affordable but may vary in quality; check reviews before purchasing.
Installation: Typically involves removing the old Gasket and installing a new one, which can be done with basic tools. Refer to your machine's manual for specific instructions.
Replacement schedule: every 6 months
Compatibility warning: Always verify part number BGA8500 matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 6 months replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This replacement Gasket is for the owner of a Breville Bambino BES450 who notices performance decline, leaks, or difficulty brewing. Replacing the Gasket extends the life of your machine and avoids costly repairs.
Not ideal for: If your Breville Bambino BES450 experiences extensive damage beyond the Gasket, a full device replacement may be more cost-effective.
Good to Know Before Buying
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Always confirm your exact model number (BES450) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the Breville Bambino BES450 Gasket?
The part number is BGA8500. Always verify this matches your exact model (BES450) before ordering, as similar models may use different parts.
How often should I replace the Gasket on my Breville Bambino BES450?
every 6 months
Will aftermarket Gasket replacements work in my Breville Bambino BES450?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model BES450 and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.