Autolite 605 spark plugs are designed to fit a variety of vehicles, primarily those in the domestic market, including certain models of Ford, Lincoln, and Mercury vehicles. They are typically used in older engines that require a standard spark plug with a 14mm thread size and a 0.040-inch gap. Always consult your vehicle's owner manual or a parts catalog for specific compatibility with your engine model.
The spacing should be 0.32 on the autolite platinum sparkplugs
One can purchase an Autolite spark plug from a local store that carries Autolite products. One can use the store locator on the official Autolite website to find a location near him or her.
David Underhay The decal on my 1968 3hp Johnson says use either of: Champion J4J, AC M42K, Autolite A21X sparkplugs. You may have to find the current equivalents
The Packaging. Autolite MAKES Motorcraft
Ford sold Autolite to Honeywell when they began manufacuring the Motocraft brand.
Autolite was originally established in 1911 by the American company, the Electric Autolite Company. It became well-known for its automotive electrical components, especially spark plugs. In 1961, Autolite was acquired by the Ford Motor Company, which helped to further popularize its products in the automotive industry. Today, Autolite continues to produce a range of automotive parts, including spark plugs and batteries.
It is 605
All multiples of 605 are divisible by 605:605, 1210, 1815, 2420, 3025, ...The numbers that 605 is divisible by, ie the numbers that divide 605 exactly, are its factors which are: 1, 5, 11, 55, 121, 605
64 Autolite Replaces Champion RN11YC, NGK BPR5ES
Sparkplugs are almost universal, because of the way sparkplugs work and the way they are shaped the same, it means you should be able to use "standard" sparkplugs.
605
The factors of 605 are: 1 5 11 55 121 605