https://www.amazon.com/Ginsco-102pcs-Fasteners-Expansion-Replacement/dp/B076BMVZ8R/ref=sr_1_4?dchild=1&keywords=nissan+retainer+clips&qid=1623442063&sr=8-4

Something along these lines. They're mostly universal.

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I just went to my dealer and they gave me a handful for free.