Ram Trucks 2014 Chassis Cab Commercial - Owner Manual - Manual (Page 497)

Component Fluid, Lubricant, or Genuine Part
Engine Oil – 6.4L Engine For best performance and maximum protection under all types of operat-
ing 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 meeting the requirements of Chrysler
Material Standard MS-12633 for use in all operating temperatures.
Engine Oil Filter – 5.7L Engine We recommend you use MOPAR® Engine Oil Filters.
Engine Oil Filter – 6.4L Engine We recommend you use MOPAR® Engine Oil Filters.
Spark Plugs – 5.7L Engine We recommend you use MOPAR® Spark Plugs (Gap 0.043 in [1.1 mm]).
Spark Plugs – 6.4L Engine We recommend you use MOPAR® Spark Plugs (Gap 0.043 in [1.1 mm]).
Fuel Selection – 5.7L Engine 87 Octane Acceptable - 89 Octane Recommended.
Fuel Selection – 6.4L Engine 87 Octane.
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MAINTAINING YOUR VEHICLE 495