This is a new crankshaft rear main bearing oil seal set set that is Fitzgerald brand and part number CB-33-1 (replaces Mopar number 1450866).  This fits 1954 Chrysler, DeSoto with 6 cylinder engine and 1954-1959 Dodge and Plymouth with 6 cylinder engine.   Parts are new never used and in  excellent condition.  Buyer to pay shipping.