USARemote Car Key Fob 4-Button Replacement for Ford Lincoln Mercury Mazda CWTWB1U793 — Battery Installed, Ready to Program

This USARemote four-button key fob (CWTWB1U793) is a ready-to-install replacement remote for select Ford, Lincoln, Mercury and Mazda vehicles, supplied as a complete electronic assembly with battery.

When an original keyless entry or remote start fob is lost, damaged, or simply worn out, a direct-fit replacement that includes the electronic board and battery saves time and money versus buying a full OEM unit. The USARemote CWTWB1U793 copy is built to match the factory functions and comes with step-by-step programming instructions so you can pair it to your vehicle if you already have two original keys. The unit replaces part number CWTWB1U793 and offers the same button layout for lock, unlock, trunk, and remote start functions on compatible models.

Which cars will this USARemote fob work with?

This replacement is intended for specific Ford, Lincoln, Mercury and Mazda vehicles that originally used the CWTWB1U793 remote. Compatibility depends on year, model and factory options; consult your vehicle’s manual or a parts fit guide before ordering. If unsure, provide your VIN to a locksmith or dealer for confirmation.

• Direct replacement for P/N: CWTWB1U793
• Designed for select Ford, Lincoln, Mercury and Mazda models
• Matches factory 4-button layout: lock, unlock, trunk, remote start
• Double-check with VIN or vehicle compatibility chart

How do I program this key fob to my vehicle?

The package includes user-programming instructions for self-programming when you have two original working keys. The written steps walk you through vehicle-specific procedures to sync the remote; they typically involve a sequence of key turns and button presses. If you only have one original key or if on-vehicle programming fails, a locksmith or dealership can complete the programming using specialist tools.

• Self-programming instructions included
• Requires two original keys for the supplied procedure
• Locksmith or dealer programming if you have only one key
• Onboard battery already installed and ready

What comes in the box and what is the build quality?

You receive the complete electronic assembly with the battery already installed, so it’s ready for programming and use once matched to the vehicle. The housing and buttons are manufactured for durable everyday use, matching the look and function of the original fob. Replacement includes the circuit board and any necessary components—no need to transfer parts from your old remote.

• Complete electronic assembly included
• Battery pre-installed for immediate readiness
• Durable construction designed for frequent use
• Matches factory button layout and feel

Will this replace any other part numbers or require additional parts?

This unit is specifically a replacement for P/N CWTWB1U793. In most cases no extra components are required unless your vehicle has a different remote part number or a damaged emergency key blade. If your vehicle’s OEM part number differs, check compatibility before purchase or consider swapping the emergency key blade from your old fob if needed.

• Replacement for part number: CWTWB1U793
• No extra components needed for compatible vehicles
• Emergency key blade may be transferred if not included
• Confirm part number compatibility beforehand

Who is this for: Drivers of compatible Ford, Lincoln, Mercury or Mazda vehicles who need a cost-effective, ready-to-program replacement remote that mirrors the factory four-button layout. It’s ideal for DIYers who have two original working keys and want to program a spare at home, as well as owners who prefer a direct-fit electronic assembly already fitted with battery-ready functionality. If you only have one working key, consider professional programming services to complete setup.