{"nhtsa_id":10139712,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2014-11-05","document_id":"9001762","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Part Description: Thermostat, Engine Issue Description: Important! There has been an application change to the Cummins turbo diesel thermostat. When replacing a thermostat confirm the correct replacement is choosen.~ 2010, 2011, and 2012 RAM Trucks 2500/3500/4500/5500 engine coolant operating temperature has been increased to 200 degrees requiring thermostat 68067109AA.~ 2009, 2013, and 2014 RAM Trucks 2500/3500/4500/5500 engine coolant operating temperature is 190 degrees requiring thermostat 68005464AA.~ These thermostats are not interchangeable and doing so will result in reduced engine performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10139712-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10139712-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139712","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"RAM 1500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_dodge_ram","2008_dodge_ram"]},{"make":"DODGE","model":"RAM 2500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_dodge_ram","2008_dodge_ram"]},{"make":"DODGE","model":"RAM 2500","year_from":2010,"year_to":2012,"match":"base","vehicle_ids":["2010_dodge_ram","2011_dodge_ram","2012_dodge_ram"]},{"make":"DODGE","model":"RAM 3500","year_from":2010,"year_to":2012,"match":"base","vehicle_ids":["2010_dodge_ram","2011_dodge_ram","2012_dodge_ram"]},{"make":"DODGE","model":"RAM 4500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_dodge_ram"]},{"make":"DODGE","model":"RAM 4500","year_from":2011,"year_to":2012,"match":"base","vehicle_ids":["2011_dodge_ram","2012_dodge_ram"]},{"make":"DODGE","model":"RAM 5500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_dodge_ram"]},{"make":"RAM","model":"2500","year_from":2009,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"RAM","model":"2500","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_ram_2500","2014_ram_2500"]},{"make":"RAM","model":"3500","year_from":2007,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"RAM","model":"3500","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_ram_3500","2014_ram_3500"]},{"make":"RAM","model":"4500","year_from":2008,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"RAM","model":"4500","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_ram_4500","2014_ram_4500"]},{"make":"RAM","model":"redundant 4500","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}