Wega Group Head Gasket, 73.5 × 57.5 × 8 mm
This gasket carries the Wega name and the number 12221 moulded into its face, and it is the size used across most Wega cafe machines. At 73.5 mm outside, 57.5 mm inside and 8 mm deep it fits the common commercial group bore. Replace it when the handle swings past its usual position or water seeps from the rim.
Why a fresh seal matters
Constant heat hardens the rubber until it no longer compresses against the basket lip, and shots lose pressure. A new ring brings the handle back to its normal locking angle and stops leaks. Most busy cafes change it every six to twelve months.
Specifications
- Wega 73.5×57.5×8 mm Group Gasket Outside diameter: 73.5 mm
- Wega 73.5×57.5×8 mm Group Gasket Inside diameter: 57.5 mm
- Wega 73.5×57.5×8 mm Group Gasket Thickness: 8 mm
- Wega 73.5×57.5×8 mm Group Gasket Marking: WEGA 12221
- Wega 73.5×57.5×8 mm Group Gasket Material: Black rubber
- Wega 73.5×57.5×8 mm Group Gasket Supplier code: PS5049383
Compatible machines
Suits Wega Airy, Atlas, Nova, Mininova, Polaris, Sphera, Vela and Orion, Lavazza LB2800 and LB4700, MCE Start, and Orchestrale Etnica and Phonica. Doing a full group service? Pair it with an E61 60 mm shower screen and see our back-flushing guide.
We stock more spare parts for coffee machines, and our Melbourne repair team can fit the gasket for you.





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