• Motor Oils
  • Automotive
  • Heavy Duty
  • Recreation Vehicles




Phillips 66®Fleet Supreme EC (Emission Compatible) Diesel Engine Oil is an API CK-4 engine oil developed for use in four-stroke cycle diesel engines designed to meet 2007 and later EPA on-highway exhaust emissions standards. It is specially formulated for compatibility with exhaust after treatment systems using diesel particulate filters (DPFs), diesel oxidation catalysts (DOCs) and/or selective catalytic reduction (SCR). It is backward serviceable for use in pre-2007 diesel engines.


On-highway diesel trucks equipped with EGR and exhaust after treatment systems to meet 2007/2010 emissions standards; older diesel equipment with conventional, non-EGR engines or ACERT engines; off-highway construction, earth moving and mining equipment.


  • BULK
  • 12 X .946 L
  • 18.9 L
  • 1 X 208.2 L
  • 1 X 208.2 L
  • 1 X 18.9 L

Available in regions

  • Quebec/East
  • Ontario

Technical Documents

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