Guide · Infiniti

Infiniti QX50 Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Infiniti QX50 (2020-2020) uses the S180144707 / KR5TXN1 433MHz 4A Chip Smart Key for Infiniti QX50 (SKU PCK-YF-2017-O) — verified against OEM part numbers. See the full compatibility table below.

Which Infiniti QX50 key fits your vehicle?

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Compatible keys for Infiniti QX50

Years	Key
2020-2020	S180144707 / KR5TXN1 433MHz 4A Chip Smart Key for Infiniti QX50 SKU: PCK-YF-2017-O
2020-2021	S180144705 / KR5TXN1 433MHz 4A Chip Smart Key for Infiniti QX50 SKU: PCK-YF-2016-O
2020-2021	No Badge S180144705 / KR5TXN1 433MHz 4A Chip Smart Key for Infiniti QX50 SKU: PCK-YF-2016-P
2020-2020	No Badge S180144707 / KR5TXN1 433MHz 4A Chip Smart Key for Infiniti QX50 SKU: PCK-YF-2017-P

Before you order

Match the year range — Infiniti changed key systems across model years. Check your registration year.
Check your current key — the OEM number printed on your key matches the table above.
Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.

Frequently asked questions

Which key fits my Infiniti QX50?

The Infiniti QX50 (2020-2020) uses the S180144707 / KR5TXN1 433MHz 4A Chip Smart Key for Infiniti QX50 (SKU PCK-YF-2017-O). Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Infiniti QX50 keys wholesale?

Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.

Can a Infiniti QX50 key be programmed without the dealer?

In most cases yes, using tools like Xhorse, VVDI or Autel. We can advise the right programmer for each key SKU.

Ready to order a Infiniti QX50 key?