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So, you need a spare key for your Infiniti?
This is a brand new smart remote fob from KEYMALL, and it's for the 2020 and 2021 Infiniti QX50, and the 2022 QX55.

The manufacturer part number is S180144707, so that's the one to match.
It runs on a frequency of 433.92MHz and has the FCC ID KR5TXN1.

Inside, the part numbers are 285E3-5NY7A or 285E3-6SA7A.
Just a heads-up though: this is the physical fob.

It's not a simple program-it-yourself thing.

You'll definitely need to take it to a locksmith or a dealership to get it programmed and cut to work with your specific car.

It comes with a 60-day warranty, so you're covered.
It's a great, much cheaper option than going to the dealer for a new one.4 out of 5