Phillips 66 10950453

76 Firebird Heavy Duty EC 15W40 engine oil from ConocoPhillips has been upgraded to meet lubrication requirements of the 2007 and later model year, low-emissions diesel engines equipped with exhaust aftertreatment devices.

  • Made from re-refined base oils and a tailored, low SAPS (sulfated ash, phosphorus and sulfur) additive
  • Back serviceable for use in pre-2007 engines
  • Provides optimal soot control and wear and corrosion protection, as well as enhanced oxidation resistance and thermal stability
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