The temp sending unit on my '56 President is kaput. (When I grounded it, it went immediately to all the way hot.) The P/N for this for the '56 V-8 and early '57 is 1539876. According to SI, it is NLA, and the person I spoke with knew of no other P/N that that substitutes. After comparing the shop manual pics and instructions in the '56 manual to the '59-64 manual I see no obvious difference between this unit and the later one which is available at 1/3 the cost unless it's maybe some internal electrical thing. Any reason why I can't use the later model sender, P/N 1545220? I'm going to drive this car to Gettysburg tomorrow so if the later sender substitutes, I'll likely be able to find one. And yes, I'm a little nervous about not knowing what's going on temp wise on a 400 mile round trip.
Frank Philippi
Ocean Pines, MD
Frank Philippi
Ocean Pines, MD
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