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    • Cummins Marine Forum Topics
    • Expansion Tank Cap P/N

      This topic has 1 reply, has 2 voices, and was last updated byAnonymous 4 years ago

      June 18, 2019 at 3:28 pm Hi folks Cleaning recovery tanks for 6bta and want to replace expansion tank caps. Looking Stant P/N for the caps? Mine are different brands and models AC Delco RC33 cap on port Unknown brand model A170241 cap starboard Both are 15psi Thanks!

      Started by: Nestor in: Cummins Marine Engines

      1 Reply
      June 18, 2019 at 3:53 pm Hi Nestor, Cummins P/N: 5304925 https://www.sbmar.com/product/cummins-marine-coolant-fill-cap/ Thanks, Kevin

      Last Post by: Anonymous posted: 4 years ago

    • Cummins 6bta alternator

      This topic has 7 replies, has 6 voices, and was last updated byHarry Alverio 5 years ago

      December 26, 2018 at 11:30 am Hi to all and Happy New year!! I found that my alternator for my cummins motor is overcharging past 14volts. This causes the alternator field 15 amps fuse to blow, and then the alternator stop charging. Is the alt voltage regulator damaged?any suggestion? Thanks

      Started by: Harry Alverio in: Cummins Marine Engines

      7 Replies
      December 29, 2018 at 11:53 am Thanks to all for help. Indeed the voltage regulator is giving problems. Bought new voltage regulator planning on installing next week. Will keep u posted

      Last Post by: Harry Alverio posted: 5 years ago

    • Thermostat Full Open Question

      This topic has 3 replies, has 3 voices, and was last updated byRob Schepis 5 years ago

      November 12, 2018 at 6:06 pm Newby to Cummins diesel and this forum. Recently replaced tstat on 5.9 Cummins using OEM 3802968. In addition completed flush on both directions, replace raw water pump and removed aftercooler for maintenance following Tonyā€™s tips. Motors run at 195F tested up to 2800RPM. I read on the web this thermostat begin open at 181 and full at 203F. Is that a correct statement? If correct should 195F safe on these motors.? I still need to confirm …

      Started by: Nestor in: Cummins Marine Engines

      3 Replies
      November 13, 2018 at 11:24 am Nestor wrote: Iā€™m doing all required maintenance first before switch on tsat. Good plan.

      Last Post by: Rob Schepis posted: 5 years ago

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