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temp sending unit help..

Old 04-04-2014, 02:37 PM
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temp sending unit help..

I have two 98 rams both with a 12 valve cummins. The temperature sending unit let go. they seem to be the same on both trucks . I believe its a 3/4 NPT with a single threaded stud that the wire slides onto. I have searched the web and ebay and can not find one like it . all the ones i see have 2 wire plug. Any one happen to know the part number of the unit im talking about ? thanks Mike
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Old 04-04-2014, 05:11 PM
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Good thing you couldn't find any aftermarket sensors, they don't last.
Go to Cummins and pay more for one of superior quality.
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Old 04-05-2014, 07:29 PM
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I'm assuming its the coolant temp sender your looking for? here is a list of part numbers for it that I compiled when I had to get one after breaking mine taking the head off.
  • Cummins # 3920363
  • Mopar # 4720314
  • Napa # TS6681
  • Autozone # TU276
  • Advanced auto # WT426 (BWD brand) and # TU276 (Wells brand)
  • Rock auto # TS382
  • AC Delco # 2131116
  • O'Reilly's # WT426
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Old 04-06-2014, 08:01 AM
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That part may work . It looks like the correct size thread. How ever the connector end is different . Mine is a round threaded stud. like a 10/32. I am sure i can just cut the wire and put a spade tip on it but I would like to find the right sending unit.
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Old 04-08-2014, 09:42 AM
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i just put a new temp sensor in mine over the weekend. @bjtech has the correct part #'s.
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