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Old 15-04-2022
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Default HOAT, OAT and Universal?
Supercheap have a sale on and I just looked at my coolant bottle in GC and it is just rusty poo water. I have a 2015 Diesel Limited and believe I should use OAT coolant. But looking through supercheap there are heaps and they don't seem to say HOAT or OAT now.

Which one should I use? Would either of these do and what capacity is system? 13L?
https://www.supercheapauto.com.au/p/...%3D%3D&start=6
or
https://www.supercheapauto.com.au/p/...%3D%3D&start=8
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Old 15-04-2022
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You don't want green. Penrite and Nulon do OAT (red), possibly other bands too, but that's what you need. It goes mucky brown after a while, it's normal. Also accentuated by scum that forms on the header tank.
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Old 15-04-2022
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12 lts is roughly the capacity, mix at 50/50 and I prefer to use Nulon Red Long Life as it is OAT https://www.nulon.com.au/products/co...nt-concentrate and available....

My previous research for my JGC 2015 on the Mopar part numbers has found that in typical Mopar fashion MS 90032 and MS12106 are the same, one is concentrate, one a mix.... and that most of the online guides are still looking at pre 2013 Grands as we have found before on other fluids so they list a HOAT coolant............ deeper spec matching show the Nulon RLL matches, well near enough for me anyway.....

If you want to make your eyes roll have fun with this marvelous pdf catalogue which I had and just found an updated copy, handy to use in cross referencing and causing massive headache..
https://www.dealers-mopar.com/resour...al-catalog.pdf

Have a look at the bottom of page 17 in the cat, might find something interesting ...................
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Old 15-04-2022
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That catalogue reminds me, the Mopar OAT coolant from a dealer isn't any dearer than the generic brands, so there's another alternative.
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Old 15-04-2022
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Thanks Guys. I can't find that nulon at supercheap online or repco. Don't want to support a dealer either so will keep looking
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Old 15-04-2022
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The Nulon Red Long Life concentrate in 6 lt bottle seems to be at Supercheap over your way................. https://www.supercheapauto.com.au/p/...70601#start=10 actually thinking I should take this oportunity to restock myself....
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Old 16-04-2022
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I use Nulon The One concentrate. Usually find it on special and it’s compatible with Hoat and Oat and works for 1000,000 km.
Works great with no problems.
Cheers,
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