Can anyone shed some light on Roman numerals. I Googled but found nothing.

Z4Ace

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IV.jpg
 

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I have no clue but my random guess is the logo of the rear view mirror manufacturer?

I noticed it too be didn't think it was Z or Nissan related.
 
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At first, I thought it had a similar reference to the badging on the rear glass.
Screenshot 2025-02-19 154206.jpg
 
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Z4Ace

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Could it be that there was a general consensus that 350 & 370 model # was an indication of the displacement and that calling it the 400Z would be misleading? So IV is #4. Mystery solved.
 

bpeckham

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Didn't notice this until I saw your post. My G37 had the same mirror, but I never noticed his marking there, and that car is long gone now. I think @takemorepills may still have a G37. Maybe other 370Z owners can chime in.
 

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i still have my g37. ill check when i have time. but interior is in pieces.
 
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up4speed

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My 2024 Nismo has it. I never noticed until I just looked.
I asked Google, and not sure if it's just made up AI stuff, but here is the response:


The "IV" Roman numeral on a Nissan Z typically signifies the "fourth generation" of the Z car model line, as "IV" represents the number 4 in Roman numerals; meaning your Nissan Z belongs to the fourth generation of the Z car series.

Key points to remember:
  • Roman numeral system: "IV" is the Roman numeral for "4".
  • Generation indicator: In car design, using Roman numerals often indicates the generation of a specific model.
  • Nissan Z context: On a Nissan Z, the "IV" signifies that it belongs to the fourth generation of the Z car line.
 
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Mystery solved I just noticed it's also on the mirror of my GTR NISMO so as I thought it's something to do with the mirror and not the Z
 

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Most likely a manufacturer or certification marking.
OEM pn 999L1-VZ001 is the rear view mirror for 2016-2019 Pathfinders, Rogues and Sentras, and it has that identical “IV” laser mark.
 
 






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