Coltri MCH5 first stage piston kit. Described in Coltri literature as "1st Stage Piston MCH-5 D.60mm Kit [KIT PISTONE 1° STADIO MCH5 DIAM. 60 P6052]." For additional information on this kit, see page page 12 of the MCH5 CNG Parts List located under the User Manual tab.
Nuvair is an Authorized Coltri Distributor
Nuvair sells only genuine parts and equipment manufactured by Coltri Compressors. Do not be fooled by cheap aftermarket copies of original Coltri equipment. Items labeled “replacement,” “OEM equivalent,” “compatible,” or “alternative” are not manufactured by Aerotenica Coltri S.p.a.
Some Coltri parts are not available for purchase online. To ensure this genuine Coltri part fits your compressor model/version, please contact the Nuvair sales team for ordering assistance.