Coltri MCH10-MCH14 CNG third stage lubrication tube (oil return line) kit for models built up to 03-2014. Described by Coltri as "LUBRICATION TUBE 3RD STAGE MCH13/16 [KIT TUBO LUBRIFICAZIONE 3° STADIO MCH13/16]". For additional information on this kit, see page 18 & 20 of MCH10-MCH14 CNG Parts List located under the User Manual tab.
Nuvair offers authentic parts and equipment manufactured by Coltri Compressors. Beware of inexpensive aftermarket imitations labeled as "replacement," "OEM equivalent," "compatible," or "alternative," as they are not made by Aerotenica Coltri S.p.a. Due to size, weight, or specific requirements, some Coltri products may not be available for online purchase, and others may have extended lead times. To confirm compatibility with your existing equipment or to ensure the product meets your needs, please contact the Nuvair Sales Team for ordering assistance by email or phone.