Coltri MCH22, MCH30, MCH36, MCH45, BOOSTER OPEN, and MCH20-MCH24 CNG third stage piston kit. Described by Coltri as "KIT 3rd STAGE PISTON [KIT PISTONE 3° STADIO]". For additional information on this kit, see page 12 of MCH22-MCH45 Parts List, page 12 of Booster Open Parts List, or page 14 of MCH20-MCH24 CNG Parts List; all located under the User Manuals 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.