SteelSeries · Official replacement (OEM)
Arctis Nova Series Ear Cushions — Leatherette
Verified as compatible with 2 headphone models.
Evidence
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steelseries.com
SteelSeries’ cushion selector lists both Nova 3 Wireless as a compatibility option and Leatherette as a material option.
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support.steelseries.com
SteelSeries says its Leatherette ear cushions fit all Nova headsets except the Pro Wireless series. The target Nova 3 Wireless is covered by that stated category.
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steelseries.com
SteelSeries’s Leatherette replacement cushion page explicitly lists Arctis Nova 7 as compatible.
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support.steelseries.com
SteelSeries says its listed ear cushions fit all Nova headsets apart from the Nova Pro Wireless series.