2013 Challengers use a new antifreeze - OAT purple p/n 68163848AA - Dodge Challenger Forum: Challenger & SRT8 Forums
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post #1 of 20 (permalink) Old 11-22-2012, 01:56 PM Thread Starter
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2013 Challengers use a new antifreeze - OAT purple p/n 68163848AA

Don't mix Orange and Purple Mopar antifreeze

My friend picked up a new 2013 Redline Rally Challenger recently and we noticed it had purple antifreeze from the factory. Another friend saw this antifreeze and wanted to see if his pre-2013 Plum Crazy R/T could use it - since it's purple. From the Mopar service center it appears the 2 different HOAT and OAT antifreeze mixtures are not mixable. Be sure to drain and flush orange HOAT prior to installing OAT purple.

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Chrysler Corporation LLC. has released a new engine coolant for 2013 model year vehicles and beyond.

Mopar Antifreeze/Coolant 10-year/150,000 mile formula
p/n 68163848AA (concentrate) / p/n 68163849AA (50/50 mixture)
MSRP $53.35/gallon (concentrate) / MSRP $33.35/gallon (50/50 mixture)

The use of aluminum cylinder blocks, cylinder heads, and water pumps requires special corrosion protection. MoparŪ Antifreeze/Coolant, or the equivalent ethylene-glycol base coolant with organic corrosion inhibitors (called OAT, for Organic Additive Technology) is recommended. This coolant offers the best engine cooling without corrosion when mixed with 50% ethylene-glycol and 50% distilled water to obtain a freeze point of -37°C (-35°F). If it loses color or becomes contaminated, drain, flush, and replace with fresh properly mixed coolant solution.

OAT coolant is purple in color. It cannot be mixed with other types of coolant including Chrysler's existing HOAT coolant and only should only be mixed with approved OAT coolant of the same color. Maintenance of the cooling system is not required unless a repair has been made with loss of coolant or the coolant has been contaminated.

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post #2 of 20 (permalink) Old 11-22-2012, 02:31 PM
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Great information! Thanks for sharing that!

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post #3 of 20 (permalink) Old 03-31-2013, 08:22 AM
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Im not sure what happened but I posted on the wrong thread?Sorry.On a different note I cant believe Chrysler changed the antifreeze??What it wasn't hard enough to find the old kind?I had to goto 4 different stores?I think this is kinda BS!Its not like this stuff is rocket science?

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Last edited by 09Titanium; 04-01-2013 at 08:24 AM.
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post #4 of 20 (permalink) Old 03-31-2013, 08:37 AM
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Robo mentioned a key word in his info post. Use DISTILLED WATER when you mix your anti-freeze. You would be surprised how many do not!

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post #5 of 20 (permalink) Old 03-31-2013, 10:38 AM
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Wow, what's the deal with that? Why do they keep switching these funky coolants? Wasn't it hard enough to score the orange stuff at a general automotive supply store?

Maybe that is old-fashioned thinking on my part, though. If I can pick it up at a store (not the dealer), then I feel safe about the supply if I should need some. Maybe the thinking is that we should typically never need to top off the coolant system during regular use? If it does need some fluid, it is because a repair was made so the car is sitting in an auto repair shop or the dealer, anyway? Is that the idea? Thinking back, I don't think I've ever had to top it off, myself, even though I note the level any time I've had the hood up, and I did bother to find a jug of the orange stuff to keep in storage.


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post #6 of 20 (permalink) Old 03-31-2013, 10:41 AM
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Thanks for the tip! I will use that once I get mine back together.
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post #7 of 20 (permalink) Old 04-01-2013, 01:16 PM
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It says 2013 only, does that mean I can't use it in mine?
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post #8 of 20 (permalink) Old 04-01-2013, 01:36 PM
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The tech who works on my car at the dealer warned me when I picked up my 2013 to make sure never to use anything but the grape juice.....he had just came back from a chrysler training seminar about how to flush out a pre2013 car's cooling system if the owner mixed orange and grape...he mentioned that Chrysler was expecting a problem with people not reading the warnings in their manuals..

He said it took hours to get the "jello" out that results from mixing the two colors....he said they told him not to change pre2013 cars over because if just an ounce of orange was left the grape would jell....
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post #9 of 20 (permalink) Old 04-01-2013, 02:16 PM
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It says you can provided you thoroughly clean out the existing coolant.

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post #10 of 20 (permalink) Old 04-01-2013, 02:17 PM
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My son bought a 2013 Dodge Dart on Friday. We both noticed the purple coolant right away. First time I ever saw it or heard of it.
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