Koeln V4/V6 engines (1962-1974) TV6.22 Air cleaners with summer/winter position for carburetors types 1 and 2 (17M/20M) 0% completed parts added: 0parts total: 1 Koeln V4/V6 engines (1962-1974) – Air cleaners with summer/winter position for carburetors types 1 and 2 (17M/20M)