My Parts Book shows "OS" as being 1946 first design and "PK" as being 1946 second design...both are for the 160" wheel base 1-1/2 ton truck.

No listing shown for 1945.

Mike smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD