http://www.americanautowire.com/shop/connector-housing-temperature-sender-con
As far as Gauge, check and report what type of terminals. Should have bullet push on. w/"threads".
Something here may work.
http://www.oreillyauto.com/site/c/s...1488204&year=1956&make=Chevrolet

Your 1956 was first year for electrical temp, so what is one year only?


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