Dodge 2015 Challenger - Owner Manual - Manual (Page 514)

Engine Oil Selection — 3.6L and 5.7L Engine
For best performance and maximum protection under all
types of operating conditions, the manufacturer only
recommends engine oils that are API Certified and meet
the requirements of Chrysler Material Standard MS-6395.
Engine Oil Selection — 6.4L Engine
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 a full synthetic
SAE 0W-40 engine oil or equivalent meeting the require-
ments of Chrysler Material Standard MS-12633.
CAUTION!
Do not use chemical flushes in your engine oil as the
chemicals can damage your engine. Such damage is
not covered by the New Vehicle Limited Warranty.
American Petroleum Institute (API) Engine Oil
Identification Symbol
This symbol means that the oil has
been certified by the American
Petroleum Institute (API). The
manufacturer only recommends
API Certified engine oils.
512 MAINTAINING YOUR VEHICLE