It depends on which mounting adapter you use. See here: http://mgaguru.com/mgtech/engine/of100b.htm http://mgaguru.com/mgtech/engine/of100b1.htm At 02:37 PM 11/16/2011 +0000, James Schulte wrote: >.... >What is the part # for the NAPA Gold oil filter that fits an 1800 B series >engine? I bought a #1060 and the diameter is to big. Is it #1068? >....