Toyota Cross Key Replacement Guide
Last updated: September 2026 · Verified against OEM part numbers
Quick answer — Toyota Cross
The Toyota Cross (various model years) uses the B2U2K2R smart key — 4A chip, 433 MHz (SKU PCK-TY-2021) — verified against the original OEM part number. See every compatible option in the table below.
- OEM part number: B2U2K2R
- Frequency: 433 MHz
- Chip / immobiliser: 4A
- Key type: Smart Key
- Wholesale: MOQ 5 units per SKU, models mixable in one order
Which Toyota Cross key fits your vehicle?
💬 Ask on WhatsAppCompatible keys for Toyota Cross
| Years | Photo | Key |
|---|---|---|
| — | | B2U2K2R 8990H-02050 433MHz 4A Chip Smart Key for Toyota Corolla Cross SKU: PCK-TY-2021 |
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
What frequency is the Toyota Cross key?
The Toyota Cross 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 Toyota Cross key use?
The Toyota Cross 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 Toyota Cross?
The Toyota Cross (various model years) uses the B2U2K2R 8990H-02050 433MHz 4A Chip Smart Key for Toyota Corolla Cross (SKU PCK-TY-2021). Check the table above for all compatible options, verified against OEM part numbers.
Do you supply Toyota Cross 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 Toyota Cross key?
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