... =45mm, ID=38mm , Customers' special request are accepted. TS16949 Fuel filler :Material: PA12 (Polyamide)Size: OD=45mm, ID=38mm , Customers' special request ... are accepted. PA12 Fuel tank filler neck is a new technology and replacement for Steel ones ... BMW(CHINA), FAW, FIAT, KAUTEX.Certificate: ISO9001:2000, TS16949. Fuel filler