MechanMagic Key Fob Replacement for Ford & Lincoln 902MHz (164-R7989) Preassembled with Battery

MechanMagic Key Fob Replacement is a pre‑assembled, battery‑included 902MHz smart key remote compatible with select Ford and Lincoln push‑button start vehicles (fits 2013–2019 models listed).

This MechanMagic replacement key fob is built to match factory remote features for owners who need a ready‑to‑install spare or a direct swap after losing or damaging an original. It arrives with electronics and a preinstalled battery, is pretested at the factory, and supports vehicles that use the listed FCC/part numbers. Programming can be done with two working keys or by a locksmith/dealer when required, making it a practical replacement option without forcing you to buy a full OEM unit.

Which vehicles and part numbers does this key fob fit?

The MechanMagic remote is compatible with a range of Ford and Lincoln models that use the FCC ID M3N-A2C31243300 and related part numbers. Common fitments include Ford Edge, Explorer, Fusion and Mustang years cited, and Lincoln MKZ, MKC and MKX model ranges shown. Always confirm compatibility with your vehicle’s FCC or part number and use the fitment tool when available.

• FCC ID: M3N-A2C31243300 compatibility
• Compatible part numbers: 164-R7989, 164-R8119, 164-R7991, 5923896, 5926056, 5923898
• Typical vehicle fits: Ford Edge (2015–2017), Explorer (2016–2017), Fusion (2013–2016), Mustang (2015–2017)
• Lincoln fits: MKZ (2013–2016), MKC (2014–2016), MKX (2016–2019)

How do I program this MechanMagic smart key to my car?

Self‑programming is possible when you have two functioning smart keys already set up on the vehicle; the process follows the vehicle maker’s published steps for adding a key. If you only have one working key, none, or you’ve reached the vehicle’s four‑key limit, a locksmith or dealership must perform programming or erase/reprogram existing keys. This prevents accidental lockouts and ensures the car’s immobilizer recognizes the new remote.

• Requires two working keys for user programming
• Maximum of four smart keys per vehicle — locksmith needed to reset if full
• Dealership or qualified locksmith can program or erase/reprogram keys

What features and contents arrive in the box?

The MechanMagic key fob ships fully assembled with electronic board and battery already installed and pretested for operation. It supports push‑button start vehicles only; it is not a replacement for mechanical keyed ignitions. The ready‑to‑use package makes installation quicker and avoids the need to transfer components.

• Included: 1 x keyless entry remote with battery and electronics
• Pretested at factory for basic operation before shipping
• Designed for push‑button start systems (not for non‑smart keyed vehicles)

Is this MechanMagic remote a reliable long‑term replacement?

MechanMagic units are manufactured to be functionally compatible with factory remotes and are a cost‑effective alternative to dealer replacements. While aftermarket fobs match button layout and radio frequency, warranty, and long‑term durability can differ between suppliers. Treat this product as a practical spare or replacement when OEM pricing or availability is a concern.

• Functionally mirrors factory remote features and layout
• Preinstalled battery reduces setup time
• Good option for backup key or replacement without OEM premium

Who this is for: MechanMagic’s Key Fob Replacement is aimed at Ford and Lincoln owners needing an affordable, ready‑to‑install smart remote for push‑button start models listed above. It suits drivers who want a quick spare, those replacing a damaged factory fob, and people comfortable arranging programming through the dealer or a locksmith when they lack two working keys. Check your vehicle’s FCC ID or part number against the compatibility list before purchase to ensure proper fitment.