Stollar Sage 54 mm Group Head Gasket BES8**, SES87*

BES840/138, SP0001474, SP0020019, SP0025526. Stollar / Sage coffee machine spare part for Stollar BES8** series models and Sage SES8** series models with a 54 mm portafilter – if coffee leaks past the portafilter, a leak is visible, or the gasket is worn out, has lost elasticity, or does not provide a proper seal.