Have you tried Ebay? If not type in "73 Impala", and see what comes up. If you do not find what you want now just check back every few days, someone will have a car that they are parting out.
71-73 is the only bumpers you can use the quarter glass it depends on what you have 2door 4door post or non post fast back many glass will work not just Impala some Buick Pontiac and Olds glass will work also
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