Strattec | SKU: OEM-403

2023-2026 Ford Mustang Mach E | 5-Button Smart Key | M3N-A3C108397 | PN: 164-R8420 | 434 MHz | OEM

$85.00

Shipping calculated at checkout.

Item condition

Recase Refurbished New No Box Brand New

Pickup available at Stallion Keys

Usually ready in 1 hour

Before you buy

Emergency key — depends on the item condition you choose

Recase, Refurbished, New No Box: emergency key included, comes uncut. Brand New: emergency key not included — sold separately. Matching emergency key: Ford Smart Key Emergency Blade

Must be programmed to your vehicle

This key isn’t plug-and-play. It has to be programmed to your car before it starts the engine or works the buttons.

Match your key before you order

The part number and FCC ID must match your current key, and so must the number of buttons. If a frequency is printed on your key, check that too. Keys can look identical and share an FCC ID but still be different parts. Lost every key? Your dealer can give you the part number from your VIN.

Not sure it’s the right item? Email a photo of your key to info@stallionkeys.com before ordering · Refund policy

Delivery & Shipping

Fast shipping from our Pennsylvania facility. Delivery options and estimated transit times are available at checkout. Tracking information is provided once your order ships.

Manufacturer	Genuine / OEM
Product Type	Smart Key
Condition	Recase \| Refurbished \| New No Box \| Brand New
Vehicle Make	Ford
Number of Buttons	5-Button - Lock, Unlock, Panic, Hatch, Hood
OEM Part	164-R8420 \| 5948018 \| 5949154
Compatible Part Number	SX6T-15K601-AB1
FCC ID	M3N-A3C108397
IC	7812A-A3C108397
Frequency	434 MHz
Chip ID	NXP HITAG-PRO ID49 128 Bit
Battery Part	CR2450
Emergency Key	Included - except Brand New
Emergency Key SKU	SK-EMK-56
Test Key	HU198

Payment & Security