2009-2010 Mazda6 MZ31 Flip Key 4-Button 4D63 | 5WK43451E | 4238A-41525
Key Information
Vehicle Compatibility
Technician Data
Mazda6 MZ31 Flip Key 4-Button 4D63 | 5WK43451E | 4238A-41525
New aftermarket flip key replacement. Match FCC ID, frequency, transponder chip, blade/keyway, button layout, OE reference and exact vehicle before cutting or programming.
Specifications
| Product Type | Flip Key |
| Condition | New Aftermarket |
| FCC ID | 5WK43451E |
| Chip | Texas 4D63 |
| Blade / Keyway | MZ31 |
| Buttons | 4 — Lock, Unlock, Trunk, Panic |
| Battery | CR1620 |
| OE / Part References | 4238A-41525, 41525 |
| Test Key | MZ31 family |
Vehicle Compatibility
- Mazda 6: 2009–2010
Cutting & Programming
- Blade must be cut to the vehicle.
- Remote and immobilizer programming may require compatible professional equipment.
- Confirm all identifiers and exact vehicle system before service.
Frequently Asked Questions
Who is US Locksmith & Supply?
An automotive locksmith supply company providing keys, remotes, programming equipment, key-cutting solutions, locksmith tools, locks, and accessories for professionals and individual customers.
Who can purchase from US Locksmith & Supply?
Anyone can browse and place an order without creating an account. Because certain products are professional locksmith tools, we may contact you after checkout to request proof of a locksmith or automotive security business before fulfillment.
Do I need an account to purchase?
No. An account is not required. If verification is needed, our team will contact you after the order is placed. Unverified orders may be cancelled and refunded.
What products do you carry?
Automotive keys, remotes, smart keys, transponder keys, programming devices, diagnostic equipment, key-cutting machines, locksmith tools, locks, and accessories.
What brands do you carry?
Autel, Xhorse, KEYDIY, Lishi, ILCO, JMA, Keyline, OBDSTAR, Lonsdor, XTOOL, STRATTEC, and Advanced Diagnostics, with availability varying by product.
How can I find the right product for my vehicle?
Use our Vehicle Search to select the Year, Make, and Model of the vehicle and browse compatible products.
Do you provide customer support?
Yes. Our team is available to assist with product questions, ordering, account-related questions, and other customer support needs.