Here is a vintage New Old Stock box of two (2) Timing Cover Seals by the National Motor Bearing Company, maker of high quality oil seals for all American motor vehicles of the era. National part number 6303S. My 1963 National Seal catalog lists this seal for the following applications:

1951-1954 Kaiser Darrin, Henry J, All
1956-1962 Jeep / Willys FC-150,
1953-1962 Jeep / Willys CJ3B, CJ5, CJ6,
1952-1962 Jeep / Willys 475, 685 Station Wagon & Sedan Delivery 4 cyl,
1956-1957 Jeep / Willys DJ3A Dispatcher Jeep,
1950-1953 Jeep / Willys CJ3A, 4WD 73 Station Wagon,
1946-1950 Jeep / Willys CJ-2A,
1952-1956 Jeep / Willys 475, 675, 685 passenger cars (except 6 cyl. 685 Ace-Eagle),
1952-1962 Jeep / Willys 4 cylinder 475 Station Wagon, Sedan Delivery & Truck,
1947-1953 Jeep / Willys 4-63, 4-73, 6-63, 6-73 Station Wagon, Sedan Delivery and Jeepster,
1947-1953 Jeep / Willys 4WD 4-73 Truck,
1947-1950 Jeep / Willys 2WD Truck,

Seals are in very good condition as shown. Please see photos for details.

NOTE: Buyer to confirm that parts are correct for their own application prior to purchasing.