2017-2021 Lincoln Continental, MKC, MKX, Nautilus, Navigator 5-Button Smart Key | 902 MHz | M3N-A2C94078000 | OEM
2017-2021 Lincoln Continental, MKC, MKX, Nautilus, Navigator 5-Button Smart Key | 902 MHz | M3N-A2C94078000 | OEM - Trunk - Button / Recase is backordered and will ship as soon as it is back in stock.
Pickup available at Stallion Keys
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Before you buy
Before you buy
Delivery & Shipping
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 | Lincoln |
| Number of Buttons | 5-Button - Lock, Unlock, Panic, Trunk, Engine Start |
| OEM Part | 164-R8154 |
| Compatible Part Number | 5933990 |
| FCC ID | M3N-A2C940780 |
| IC | 7812A-A2C940780 |
| Frequency | 902 MHz |
| Chip ID | NXP HITAG-PRO ID49 128 Bit |
| Battery Part | CR2450 |
| Emergency Key | Included - except Brand New |
| Emergency Key SKU | EMK-81 |
| Emergency Key Keyway | HU101 |
Make Model Year Lincoln Continental 2017 - 2020 Lincoln MKC 2017 - 2019 Lincoln MKX 2017 - 2018 Lincoln MKZ 2017 - 2020 Lincoln Nautilus 2019 - 2020 Lincoln Navigator 2018 - 2021
2017-2021 Lincoln Continental, MKC, MKX, Nautilus, Navigator 5-Button Smart Key | 902 MHz | M3N-A2C94078000 | OEM | PN 164-R8154
This is a genuine (OEM) smart key, part number 164-R8154, FCC ID M3N-A2C940780. It fits the Lincoln Continental 2017–2020, Lincoln MKC 2017–2019, Lincoln MKX 2017–2018, Lincoln MKZ 2017–2020 and 2 more (see the Fitment tab). It has 5 buttons (Lock, Unlock, Panic, Trunk, Engine Start).
Will it fit my car?
Check the back of your current key: if it shows part number 164-R8154 or 5933990 or FCC ID M3N-A2C940780, this is the right smart key. The number of buttons has to match too. You can also pick your car in the Make / Model / Year search at the top of the page.
Choose your condition
- Recase: the genuine board in a new shell with no logo.
- Refurbished: cleaned and tested.
- New No Box: unused, without the retail box.
- Brand New: new, never used.
The emergency key comes with every condition except Brand New, uncut. For Brand New, the matching emergency key is SK-EMK-81.
Key details
902 MHz · NXP HITAG-PRO ID49 128 Bit chip · CR2450 battery.
Program and cut it
- Programming: A new key has to be programmed to your vehicle: by a locksmith, by the dealer, or with a key programmer such as the Autel IM508S, Autel IM608 Pro II or Xhorse VVDI Key Tool Plus. Check your tool's vehicle list for your exact model and year first.
- Cut the emergency key (HU101): Condor XC-Mini Plus II, Dolphin XP-005 or Dolphin II XP-005L cut it by code; the Dolphin XP-007 copies it from your existing key.
- Lock work: Lishi HU101 Cut Out V3 Ford 2-in-1 pick & decoder.
Questions
Will this work on a 2020 Lincoln Continental? Yes, it's listed for the Lincoln Continental 2017–2020 — check the part number or FCC ID on your key to be sure.
Does it come with the emergency key? Yes on every condition except Brand New (uncut).
What battery does it use? CR2450.
Payment & Security
Payments are securely encrypted and processed through our payment providers. Stallion Keys does not have access to your full credit card details.

