YOU ARE BIDDING ON A NEW OLD STOCK (NOS) MOPAR 1136648 TRANSMISSION COUNTERSHAFT FREE WHEELING CONTROL SLEEVE 

I believe it fits the following
1949 - 54 Dodge 6  w/ tip-toe shift and Underdrive Transmissions
1953 - 54 Dodge 8  w/ tip-toe shift and Underdrive Transmissions
1946 - 54 DeSoto 6  w/ tip-toe shift and Underdrive Transmissions
1952 - 54 DeSoto 8  w/ tip-toe shift and Underdrive Transmissions
1946 - 54 Chrysler 6  w/ tip-toe shift and Underdrive Transmissions
1946 - 54 Chrysler 8  w/ tip-toe shift and Underdrive Transmissions