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Factory 2021 ORP Lower Engine Cover

Discussion in '5th Gen 4Runners (2010-2024)' started by TRD8, Jul 25, 2022.

  1. Jul 25, 2022 at 6:21 PM
    #1
    TRD8

    TRD8 [OP] New Member

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    What protection does part number 51495 that isn’t installed on the 2021 ORP offer to the Limited and Nightshade models it is installed on?

    Could a Limited or Nightshade owner please post a pic of the rear of their engine rock guard?

    Pictured are the two unused tabs on my 2021 ORP that part number 51495 bolts to on the Limited and Nightshade models.

    Thanks in advance.

    E95E074D-A76E-446A-A0FA-EE637C5E810C.jpg

    4B9530BD-10F8-41B5-8411-A1323E430D06.jpg



    9F77A7D1-9AC1-44C4-A4D8-9572C60CB531.jpg
     
    Last edited: Jul 25, 2022
  2. Jul 26, 2022 at 2:46 PM
    #2
    TRD8

    TRD8 [OP] New Member

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    in other words… can anyone post a pic of what goes here? Thanks!
    472DA959-66E2-4307-83A7-7D3E55B4AA30.jpg
     
    4runningMan likes this.
  3. Jul 26, 2022 at 8:47 PM
    #3
    ElectroBoy

    ElectroBoy Ad astra

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    My 2018 ORP has those blank tabs like yours. It looks like there’s a cover available like the one you showed, 51495. But why it’s called a “radiator support splash shield” is strange. It’s nowhere near the radiator.
     
  4. Jul 28, 2022 at 1:07 PM
    #4
    TRD8

    TRD8 [OP] New Member

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    Thanks for your reply.

    Still looking for a Limited or Nightshade owner will post a pic of what their model 4Runner looks like.
     
  5. Jul 28, 2022 at 1:45 PM
    #5
    kmeeg

    kmeeg New Member

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    20220728_144234.jpg
     
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  6. Jul 28, 2022 at 2:48 PM
    #6
    TRD8

    TRD8 [OP] New Member

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    Thank you for posting the photos. Can’t help but ask… can you see what is underneath that rear rock guard?

    Thanks again!
     
  7. Jul 28, 2022 at 3:15 PM
    #7
    kmeeg

    kmeeg New Member

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    20220728_160129.jpg
     
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  8. Jul 28, 2022 at 3:48 PM
    #8
    7harper7

    7harper7 New Member

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    Their purpose has been questioned since the first 5th gens came out back in 2009.

    The best guess is the Limited 4x4 has a different transfer case(Torsen) and some engineer thought it needed it to keep water,snow and ice splashing on the torsens electric shifter switches and the part time transfer case in all the rest of the models didn't.
     
  9. Jul 28, 2022 at 3:52 PM
    #9
    TRD8

    TRD8 [OP] New Member

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    That’s interesting… doesn’t look any different than my ORP. Appears part number 51495 offers transmission pan protection.

    kmeeg:
    After looking at your signature line, I’m assuming your photo is of your Limited?
     
    glwood54 likes this.
  10. Jul 28, 2022 at 3:53 PM
    #10
    TRD8

    TRD8 [OP] New Member

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    Thanks!
     
  11. Jul 28, 2022 at 4:02 PM
    #11
    kmeeg

    kmeeg New Member

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    yep.. :)
    KM1_6341-HDR.jpg
     
  12. Jul 28, 2022 at 8:51 PM
    #12
    McSpazatron

    McSpazatron New Member

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    Dobinson IMS Warn Bumper CaliRaised Sliders 285/70 K02s
    Interesting…. Looks like a plastic shield, correct? If it’s not to protect the the center diff area from water (as mentioned), maybe it’s just aero to cut down on some imperceptible wind burble noise ?
     
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  13. Jul 28, 2022 at 9:27 PM
    #13
    ElectroBoy

    ElectroBoy Ad astra

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    I took a pic today. There’s nothing under there to protect, just the transmission pan and the drive shaft. I think you’re correct about it being an aero deflector piece. Kind of like those plastic “spats” in front of the rear tires to supposedly reduce turbulence for better MPG.

    I don’t know if my 2018 ORP ever had that piece. My first two oil changes were at the dealer so they could have removed it and never re-installed it.

    However, they may be decent attachment points for a DYI catalytic converter cover.

    CDAB1778-5BB8-453C-AF2A-DA22D962733A.jpg
     
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