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Old 07-09-2014, 01:39 AM
BLACKLS5 BLACKLS5 is offline
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Default AC-Delco temp switch number crossover.

Does anyone know of a way to cross part AC-Delco part numbers to their applications? I have 5 temp switchs with the following numbers on them.. AC255M, AC265M, AC264M and AC270M. I have 2 Delco boxes with the part numbers 6490970 and 6489287 but can't be sure any of the switches came from these boxes because everything was loose in a old tote of parts. Does anyone have an old Delco parts book? Thanks for any help, Troy.
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  #2  
Old 07-29-2014, 06:07 PM
BLACKLS5 BLACKLS5 is offline
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Default Re: AC-Delco temp switch number crossover.

Anybody?
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Old 02-07-2026, 12:08 AM
[email protected] bighunkyguy@gmail.com is offline
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Default Ac264m

I don't have the parts books you were seeking but the ac264m is the water temp sender for my 70 Eldorado.
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Old 02-07-2026, 03:09 PM
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Would they be in the parts book with the rad caps? I have that
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Old 02-07-2026, 03:41 PM
LT1vette LT1vette is offline
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Default

Lots of times if you had the GM part #, the parts manual would ALSO give you the Delco #
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