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KIA Transmission fluid

Is there an alternate transmission fluid than qualifies for use in a Kia Optima other than the Kia dealership fluid?
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  • edited July 2009
    need model year. For 2004 and later, SPIII (which is also a Mitsubishi AT fluid spec) is required, for sure,according to the info I have. Found where 2003 model year requires SPIII in Spectras.
  • edited July 2009
    2008 Kia Optima
  • edited July 2009
    not sure but I have a camry and accord. I use the castrol import trans fluid in my camry but haven't for the accord but to top off when short on the honda fluid. I don't know if the kia is listed on the back but it's for most imports (not CVT's though). take a look at the bottle and see if yours is listed.
  • edited July 2009
    Thank you! I am doing some more research and if I find any new facts I will send them out.
  • edited July 2009
    All I can say is read carefully on any fluid bottle/specification.

    Info I found shows that SPIII is sold pretty much only by Kia and Mitsubishi. Apparently the aftermarket folks have not gotten into the market for this fluid.
  • edited July 2009
    SP3 diamond or Hyundai or Kia are all one, but there is no generic out there as far as I know. The price varies a lot between Kia, Hyundai and MItsu dealers, so call around. Last year the price per qt around here was anywhere between 5 and 11 dollars.
  • edited July 2009
    Castrol's website now says that their Import Multivehicle fluid is formulated to meet Hyundai and Mitsu SPIII specs, but no mention of Kia, which I find weird.
  • edited July 2009

    This should be spelled out in your owners manual. It'll probably say to use only Kia fluid or some equivalent. Check the owners manual.
  • edited July 2009
    It says to use Kia fluid. But I went to the dealer today and had the flush done for $210.00. I thought that was to much, but what does a man do in his situation? To top it off, they said I needed fuel injectors cleaned and new antifreeze/coolant. I would not dare let them do that for their cost.
  • edited July 2009

    Find a good independent mechanic. This place is a rip-off. Fuel Injectors cleaner service is a sure sign. Unless your car was running very rough and didn't accelerate well then your injectors are probably fine.

    AS for the tranny fluid. It may be a special type of filter by Kia.....That doesn't mean you have to buy it from the Kia dealer. There's probably an equivalent out there by some oil company...check around.
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