Component
Fluid, Lubricant, or Genuine Part
Diesel Exhaust Fluid
MOPAR
®
Diesel Exhaust Fluid (API Certified) (DEF) or
equivalent that has been API Certified to the ISO 22241
standard. Use of fluids not API Certified to ISO 22241
may result in system damage. You can receive assistance
in locating DEF in the United States by calling 866-
RAM-INFO (866-726-4636). In Canada call 1–800–
465–2001 (English) or 1–800–387–9983 (French).
CAUTION!
• Mixing of engine coolant (antifreeze) other than specified Organic Additive
Technology (OAT) engine coolant (antifreeze), may result in engine damage and
may decrease corrosion protection. Organic Additive Technology (OAT) engine
coolant is different and should not be mixed with Hybrid Organic Additive
Technology (HOAT) engine coolant (antifreeze) or any “globally compatible”
coolant (antifreeze). If a non-OAT engine coolant (antifreeze) is introduced into
the cooling system in an emergency, the cooling system will need to be drained,
flushed, and refilled with fresh OAT coolant (conforming to MS.90032), by an
authorized dealer as soon as possible.
• Do not use water alone or alcohol-based engine coolant (antifreeze) products.
Do not use additional rust inhibitors or antirust products, as they may not be
compatible with the radiator engine coolant and may plug the radiator.
• This vehicle has not been designed for use with propylene glycol-based engine
coolant (antifreeze). Use of propylene glycol-based engine coolant (antifreeze)
is not recommended.
Chassis
Component
Fluid, Lubricant, or Genuine Part
Automatic Transmission –
If Equipped (Six-Speed 68RFE) –
Pickup models without PTO
Only use ATF+4
®
Automatic Transmission Fluid.
Failure to use ATF+4
®
fluid may affect the
function or performance of your transmission. We
recommend MOPAR
®
ATF+4
®
fluid.
Automatic Transmission – I
f Equipped (Six-Speed AS69RC) –
Pickup models with PTO, and all
Chassis Cab models
Only use MOPAR
®
ASRC Automatic Transmission
Fluid or equivalent. Failure to use the proper fluid
may affect the function or performance of your
transmission.
Transfer Case
We recommend you use MOPAR
®
BW44–44
Transfer Case Fluid.
Front and Rear Axle Fluid
(2500/3500)
We recommend you use Synthetic, GL-5 SAE
75W-85. Limited slip additive is not required for
Limited-Slip Rear Axles.
Front and Rear Axle Fluid
(4500/5500)
We recommend you use Synthetic, GL-5 SAE
75W-90. Limited slip additive is not required for
Limited-Slip Rear Axles.
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