Philips / Saeco / Gaggia Boiler Pin O-Ring – 421945039071

The 421945039071 Boiler Pin O-Ring is a commonly used sealing component found in many Philips, Saeco, and Gaggia automatic espresso machines. This o-ring is installed on the boiler pin, where it helps create a secure seal and prevent water or steam leaks within the boiler assembly.

Boiler pin o-rings are high-wear components exposed to heat, pressure, and repeated use. Over time, seals can flatten, harden, or crack. Replacing a worn o-ring can help restore proper sealing performance and prevent leaks caused by aging or damaged seals.

This part may also be referenced under alternate part numbers 996530059419 and NM01.057.

Important Compatibility Information

This boiler pin o-ring is widely used across many Philips, Saeco, and Gaggia machines, but compatibility depends on the specific boiler design and machine revision. Due to the large number of compatible models, a full compatibility list is not displayed.

Please verify your machine model and part number 421945039071 before ordering. If you are unsure, contact us prior to purchase to confirm fitment.

This o-ring is used on the boiler pin in many Philips, Saeco, and Gaggia automatic espresso machines.

• Confirm compatibility using your machine model and boiler configuration
• Easy, user-friendly installation in most cases
• Light food-safe lubricant may be recommended during installation
• Inspect the old o-ring for flattening, cracking, or heat damage

If you are unsure whether this o-ring is correct for your machine, please contact us before ordering to avoid incorrect purchases.