Mahle oil filter for Porsche 911 F until '71 914-6 engine
Amazon.com: Mahle LX 194 Air Filter, standard : Automotive
MAHLE Filter Catalogue l Equivalents
Equivalent Mahle Filter Element China Factory Pi 35010 DN Drg 25 /79735762 - China Replacement Mahle Filter Element, Mahle Filter Element | Made-in-China.com