Coltri MCH5 CNG and MCH10-MCH14 CNG third stage piston kit for models built up to 03-2014. Described in Coltri literature as "PISTON 3RD ST.GE 14 MCH13/16 KIT [KIT PISTONE 3° STADIO MCH13/16]". For additional information on this kit, see page 18 of MCH10-MCH14 CNG Parts List or page 16 of the MCH5 CNG Parts List; both located under the User Manual tab. Not for the red head.
Coltri OEM/Distributor
Nuvair 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 by email or phone.