ConocoPhillips Guardol ECT
  • The Guardol ECT premium synthetic blend diesel engine oil meets performance requirements for CJ-4 and CI-4/CI-4 PLUS specifications.
  • Created for 2007 low-emission engines equipped with exhaust aftertreatment devices
  • Backwards serviceable for pre-2007 engines
  • Available in Conoco, Phillips 66 and 76 Lubricants brands
  • Formulated using advanced sulfated ash, phosphorus and sulfur technology
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