Infiniti QX50 Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Infiniti QX50
The Infiniti QX50 (2020-2020 and other model years) uses the S180144707 smart key — 4A chip, 433 MHz (SKU PCK-YF-2017-O) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: S180144707
- Frequency: 433 MHz
- Chip / immobiliser: 4A
- Key type: Smart Key
- Years covered: 2020-2020 and other model years
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Infiniti QX50 key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Infiniti QX50
| Years | Photo | 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
What frequency is the Infiniti QX50 key?
The Infiniti QX50 key operates on 433 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.
What chip does the Infiniti QX50 key use?
The Infiniti QX50 uses a 4A chip. Tell your supplier the chip type when ordering so you receive the correct blank — an ID46 blank will not replace an ID47 or 4D83 key.
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.
Ready to order a Infiniti QX50 key?
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