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Gear oil

Discussion in '2.5 Gen Tundras (2014-2021)' started by Hambone01, Nov 17, 2021.

  1. Nov 17, 2021 at 10:50 AM
    #1
    Hambone01

    Hambone01 [OP] New Member

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    Where do you get your gear oil. All I see on shelfs is 75w90.
     
  2. Nov 17, 2021 at 10:57 AM
    #2
    starfish.pat

    starfish.pat New Member

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    I bought mine initially from AutoZone (4 individual quarts of Lucas Oil Synthetic 75W-90) , and then got the rest I need on Amazon in a 1 Gallon jug for less - www.amazon.com/dp/B000IG20RC

    I'm pretty sure for 07-13, both diffs and transfer case take 75W-90, but there are some alternatives that work. 2014 & up have something different for the transfer case.

    If you're wondering about Transmission Oil...I haven't tackled that one yet...good luck!
     
  3. Nov 17, 2021 at 10:59 AM
    #3
    831Tun

    831Tun heartless Bastrd

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    I order directly from Amsoil and I run 75-140
     
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  4. Nov 17, 2021 at 11:05 AM
    #4
    toyofan87

    toyofan87 Beer thirty

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    Big fan of amsoil too. Severe gear
     
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  5. Nov 17, 2021 at 11:58 AM
    #5
    Spyker

    Spyker I’m a dude,playin a dude,disguised as another dude

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    Ordered OEM from SparkParts for a decent price a couple months back.
     
  6. Nov 17, 2021 at 12:45 PM
    #6
    Doxiedad

    Doxiedad New Member

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  7. Nov 17, 2021 at 1:03 PM
    #7
    TundraMcGov.

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  8. Nov 17, 2021 at 6:04 PM
    #8
    georgiey22

    georgiey22 New Member

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    Will be changing front/rear diff oil at 30K miles, currently at 26K. I’ll be using Valvoline 75W-90 in the new packaging.
     
  9. Nov 17, 2021 at 7:25 PM
    #9
    dt325ic

    dt325ic New Member

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    75w-90 is fine to use instead of 75W-85 in the differentials. There is only a slight viscosity difference between them, and that difference only exists for Toyota's fleet fuel economy. 75W-90 will protect better than 75W-85 as well.

    Any synthetic should be ok. I've had good luck with Mobil 1, Amsoil, and Valvoline. The Valvoline synthetic gear oil at Walmart in the Flex Fill bags (similar to the optional from Amsoil) make filling the diffs easier. I'll probably use those next time as the price is good for a quality product.
     
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