BYD Dolphin Key Replacement Guide

Last updated: August 2026 · Verified OEM part numbers

Quick answer: The BYD Dolphin (2023) uses the 433.62MHz NCF29A1E 7937E Chip Smart Key for BYD Dolphin (SKU PCK-BY-2003) — verified against OEM part numbers. See the full compatibility table below.

Compatible keys for BYD Dolphin

Before you order

• Match the year range — BYD 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 BYD Dolphin?

The BYD Dolphin (2023) uses the 433.62MHz NCF29A1E 7937E Chip Smart Key for BYD Dolphin (SKU PCK-BY-2003). Check the table above for all compatible options, verified against OEM part numbers.

Do you supply BYD Dolphin 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 BYD Dolphin 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 BYD keys · All guides · Key Finder