Early 1950s Engine Serial Numbers - JeepForum.com
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post #1 of 1 Old 02-15-2019, 10:33 PM Thread Starter
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Early 1950s Engine Serial Numbers

We have a Willys L-Head 6 cylinder 161 S/N 1S 15400 (From a 1953 Willys Station Wagon) and a F-Head 6 cylinder 161 S/N 6P 16001 (From a 1949, titled as a 1950, Willys Jeepster). We have almost identified the L-Head as a 1950-51 engine but have found nothing on the F-Head. Right now, we are trying to find out the meaning of the serial number prefixes "1S" and "6P" to help further identify the engines. Any help anyone can give us will be sincerely appreciated. Thanks, Harold Estes
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