Toyota BZ4X Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The Toyota BZ4X (2023-2025) uses the HYQ14FBX 8990H-42510 Board No. 3041 312-314MHz FSK 8A Chip Smart Key for Toyota BZ4X 2023-2025 — verified against OEM part numbers. See the full compatibility table below.

Compatible keys for Toyota BZ4X

Before you order

• Match the year range — Toyota 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 Toyota BZ4X?

The Toyota BZ4X (2023-2025) uses the HYQ14FBX 8990H-42510 Board No. 3041 312-314MHz FSK 8A Chip Smart Key for Toyota BZ4X 2023-2025. Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Toyota BZ4X 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 Toyota BZ4X 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.

Related: All Toyota keys · All guides · Key Finder

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