Description
Replacement key fob options for 2012 Chrysler 300
Premium aftermarket replacement — ready to program
Battery
Included
FCC
Certified
90-Day
Returns
Ships in
1 Business Day
Product information
An aftermarket alternative to dealer keys
Fully assembled with battery
Matches OEM specs & frequency
Every unit RF tested before shipping
🔧 Programming & Key Cutting
This remote requires programming by a qualified automotive locksmith or dealership to sync with your vehicle.
- Before you order, ask a local automotive locksmith to confirm they can program an aftermarket remote for your vehicle; some hardware stores also program select vehicles
- Key blade cutting may be required if your replacement includes an uncut key
- Some vehicles support self-programming — check your owner’s manual
- Most dealerships will not program aftermarket remotes — use a locksmith instead
📦 What’s in the Box
ℹ️ Product Disclaimer & Compliance
Product Type: Aftermarket Replacement Key Fob Remote
Compatible FCC ID(s): M3N-40821302, M3N40821302 | Part #: 56046758AA | Frequency: 433 MHz
- This is an aftermarket replacement, not an Original Equipment Manufacturer (OEM) part.
- Not manufactured by, endorsed by, or affiliated with CHRYSLER or any vehicle manufacturer.
- OEM part numbers and FCC IDs are referenced solely for compatibility identification.
- All trademarks and brand names are the property of their respective owners.
- Professional programming may be required. Key blade cutting may also be required.
- Only features present in your original key fob will function with this replacement.
90-Day Returns
Return it unused, not cut or programmed, within 90 days for a full refund of the item price.
Verified 2025–2026 compatibility
The following additional compatibility was independently verified for FCC ID M3N40821302 and OEM part number 56046758AA. Match both identifiers to your original key before ordering.
- 2025 Jeep Compass
Before you order: FCC ID M3N-40821302
Which version do I need?
M3N-40821302 remotes are shared by many Chrysler, Dodge and Jeep models and come in 3, 4 and 5-button versions (part numbers such as 68066349 or 68155686). Match the buttons and part number of your original remote.
Can I program it myself?
Most sources say a locksmith programming tool is needed; plug-in programmers need a working key and lock to one vehicle. Some dealers decline aftermarket remotes.
