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Thread: ATF for Aisin Transmission

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    BraedenDore's Avatar

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    ATF for Aisin Transmission

    I'm just curious if any of the Aisin guys have any input on the type of fluid their using. It's time for a flush for me and from what I've found online is that it's a must to use Mopar branded asrc fluid. I know the 68 uses ATF+4 but I saw somewhere that using the wrong fluid can cause the clutches to break down faster. I've heard Mobil 3309?? Anyone can back that up?


    2016 3500 CCLB AS69RC 3:42 | MM3 Tuned by DoubleRDiesel | 5" Flopro TBE |

    2016 3500 SRW CCLB 3:42 AS69RC. 5" Flopro straight pipe, MM3 tuned by DoubleRDiesel. Plans for a 700+hp daily driver.

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    Old & Grumpy! Polaraco's Avatar

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    Re: ATF for Aisin Transmission

    Plain ol' ATF 4 is fine. Just use one of the major companies. It's pretty much the same quality with all of them.


    2003- 3500 RWD Automatic.
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    HKBIGDADDYDIESELDAN's Avatar

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    Re: ATF for Aisin Transmission

    Quote Originally Posted by Polaraco View Post
    Plain ol' ATF 4 is fine. Just use one of the major companies. It's pretty much the same quality with all of them.
    I second that any of the major name brands in ATF+4 will get the job done

    2012 Cummins Ram 6.7L MM3 tuner full 5" Flo Pro TBE Exhaust LWBCC 4x4 Mag Hytec Double Deep Transmission Pan , Mag Hytec Rear Diff Cover
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    boatman22's Avatar

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    Re: ATF for Aisin Transmission

    Mobil 3309 is what I have been using since the first fluid change at 45000 miles.

    I have changed the fluid three times now using 3309 and have 146000 trouble-free miles.

    I believe that is the fluid Asian recommends.

    I buy the 3309 from Amazon's best pricing.

    2015 3500 Mega DRW Aisan Deep Cherry Red

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    DANG IT'S COLD! AK Bob's Avatar

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    ATF for Aisin Transmission

    Just stumbled upon this old post.

    I want to clarify that the only transmission fluid approved and recommended by FCA for the Aisin transmission is ASRC Automatic Transmission Fluid, P/N 05189966AD.

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon Aux Fuel Tank.

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon Aux Fuel Tank.

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    Jcarter's Avatar

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    Re: ATF for Aisin Transmission

    A sticker on the side of transmission also states Mobil 3309 is recommended too.

    Changed mine a couple of weeks ago and used 3309—no problems and shifts smoother.

    2019 RAM MEGACAB 4X4 (AISIN) 4.10 GEARS, 6.7 CUMMINS W/ DRD BETA TUNNING, KMC XD843 GRENADE WHEELS, CUSTOM WINDOW TINT, 50 GALLON TITAN TRAVEL TREKKER, AND S&B CAI

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