{"product_id":"nuova-simonelli-5000743-lower-piston-43mm","title":"Nuova Simonelli 5000743 Lower Piston 43mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NUOVA SIMONELLI 5000743 is an OEM lower piston designed for use in commercial espresso and automatic coffee brewing equipment. The lower piston is a core brew-group component responsible for creating the sealed chamber that allows pressurized water to pass through the coffee puck during extraction. A properly fitted piston maintains consistent brew pressure and prevents bypass leakage, directly affecting shot quality and machine longevity. This part measures 43mm in diameter and is manufactured to original equipment specifications. It is installed by qualified espresso equipment technicians as part of routine brew-group maintenance or repair.\u003c\/p\u003e\n\u003cp\u003eThis lower piston is suited to commercial foodservice environments where Nuova Simonelli automatic and semi-automatic espresso machines are in service. Typical installation scenarios include brew-group rebuilds, piston seal replacements, and scheduled preventive maintenance intervals. The 43mm diameter is specific to the machine families listed below and should be verified against the installed unit before ordering.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM replacement part manufactured to original equipment specifications\u003c\/li\u003e\n  \u003cli\u003e43mm diameter for precise fit within compatible brew group assemblies\u003c\/li\u003e\n  \u003cli\u003eSupports consistent brew-chamber sealing and extraction pressure\u003c\/li\u003e\n  \u003cli\u003eDirect drop-in fitment for Microbar, Microbar II, and Prontobar platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with the following Nuova Simonelli models as stated by the manufacturer: Microbar, Microbar II, and Prontobar.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a trained espresso equipment technician familiar with brew-group disassembly procedures. Before servicing, shut off the machine, depressurize the brew group, and allow all components to cool fully. Verify the 43mm diameter against the existing piston before installation to confirm correct fitment. Follow all applicable local health and equipment codes for commercial foodservice equipment repair.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e: 43mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponent Position\u003c\/strong\u003e: Lower Piston\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NUOVA SIMONELLI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5000743\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NUOVA SIMONELLI","offers":[{"title":"Default Title","offer_id":51204429447474,"sku":"5000743","price":30.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307159673.gif?v=1779709484","url":"https:\/\/voomisupply.com\/products\/nuova-simonelli-5000743-lower-piston-43mm","provider":"Voomi Supply","version":"1.0","type":"link"}