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Component Fluid, Lubricant, or Genuine Part
Engine Oil – 5.7L Engine We recommend you use API Certified SAE 5W-20
Engine Oil, meeting the requirements of FCA US Mate-
rial Standard MS-6395 such as MOPAR®, Pennzoil®,
and Shell Helix®. Refer to your engine oil filler cap for
correct SAE grade.
Engine Oil – 5.7L Engine 2500/3500 trucks operating
under a gross combined weight rating greater than
14,000 lbs/(6,350 kg.)
We recommend you use API Certified SAE 5W-30
Engine Oil, meeting the requirements of FCA US Mate-
rial Standard MS-6395 such as MOPAR®, Pennzoil®,
Shell Helix® or equivalent. Refer to your engine oil filler
cap for correct SAE grade.
Engine Oil – 6.4L For best performance and maximum protection under
all types of operating conditions, the manufacturer only
recommends full synthetic engine oils that meet the
American Petroleum Institute (API) categories of SN.
The manufacturer recommends the use of Pennzoil
Ultra™ 0W-40 or equivalent MOPAR® engine oil meet-
ing the requirements of FCA US Material Standard
MS-12633 for use in all operating temperatures.
7
MAINTAINING YOUR VEHICLE 837
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