UrbanX Replacement 2005 Mercury Montego Key Fob – FCC: CWTWB1U331, CWTWB1U311, CWTWB1U322, CWTWB1U345 – PN: 8S4Z-15K601-AA – 4 Button
$21.60
Replacement Key Fob for 2005 Mercury Montego
| Compatible FCC ID: | CWTWB1U331, CWTWB1U311, CWTWB1U322, CWTWB1U345 |
| Replaces Part #: | 8S4Z-15K601-AA |
| Frequency: | 315 MHz |
| Buttons: | 4 |
| Quantity: | 1x Key Fob Remote |
| Condition: | Brand New Aftermarket (Not OEM) |
Third-party aftermarket replacement. Not manufactured by or affiliated with Mercury.
Check before you order: the FCC ID printed on the back of your current key should read CWTWB1U331, CWTWB1U311, CWTWB1U322, CWTWB1U345. How to find your FCC ID · Find key options by VIN
999 in stock
🚗 Vehicle Compatibility
This key is compatible with:
- Mercury Mariner: 2005-2008
- Lincoln Town Car: 2001-2011
- Ford Thunderbird: 2002-2006
- Lincoln Ls: 2001-2006
- Mercury Montego: 2005-2007
- Mercury Grand Marquis: 2005-2011
- Mercury Milan: 2006-2008
- Lincoln Navigator: 2001-2012
- Lincoln Aviator: 2003-2006
- Ford Taurus: 1999-2009
- Ford Mustang: 2003-2011
- Mercury Sable: 1999-2006, 2008
- Mercury Mountaineer: 2000-2010
FCC ID: CWTWB1U331, CWTWB1U311, CWTWB1U322, CWTWB1U345 | Frequency: 315 MHz | Part #: 8S4Z-15K601-AA
Replacement Key Fob for 2005 Mercury Montego
Premium aftermarket replacement — ready to program
Battery
Included
FCC
Certified
90-Day
Returns
0-1 Business Day
Handling
Why Choose UrbanX?
An aftermarket alternative to dealer keys
Fully assembled with battery
Matches OEM specs & frequency. Also match your part number & buttons
Every unit RF tested before shipping
🔍 Verify Compatibility
Match the FCC ID and Part Number on your original remote to confirm this replacement is correct for your vehicle.
| Compatible Vehicle | 2005 Mercury Montego |
| FCC ID | CWTWB1U331, CWTWB1U311, CWTWB1U322, CWTWB1U345 |
| Part Number(s) | 8S4Z-15K601-AA |
| Frequency | 315 MHz |
| Buttons | 4 |
| Brand | UrbanX (Aftermarket) |
| Quantity | 1x Key Fob Remote |
| Condition | Brand New |
🔧 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
Manufacturer: UrbanX (Third-Party Aftermarket)
Compatible FCC ID(s): CWTWB1U331, CWTWB1U311, CWTWB1U322, CWTWB1U345 | Part #: 8S4Z-15K601-AA | Frequency: 315 MHz
- This is an aftermarket replacement, not an Original Equipment Manufacturer (OEM) part.
- Not manufactured by, endorsed by, or affiliated with MERCURY 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 Return Policy
Return it unused, not cut or programmed, within 90 days of delivery for a full refund of the item price. See our return policy for details.
Confirm the replacement before ordering
Compare the part reference, key type and vehicle equipment. For a remote, also check the FCC ID and button layout. A matching FCC ID alone does not establish full compatibility.
Cutting and programming requirements vary by vehicle and key type. Check the vehicle owner’s guide and confirm the required service with a qualified automotive locksmith before ordering.
FCC ID guide · Programming requirements · 90-day return terms
| Brand | UrbanX |
|---|---|
| Condition | New |
| Years | 2005 |
| Make | MERCURY |
| Model | MONTEGO |
| MPN | 8S4Z-15K601-AA, CWTWB1U311, CWTWB1U322, CWTWB1U331, CWTWB1U345 |
Only logged in customers who have purchased this product may leave a review.

Reviews
There are no reviews yet.