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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

    • 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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