Ford Focus Mk3 Keyless Entry Antenna Aerial Amplifier Receiver 8M5T-15K603-LB

Ford Focus Mk3 Keyless Entry Antenna Aerial Amplifier Receiver is an original keyless entry system component, responsible for stable signal reception from the key fob and communication with the vehicle's electronics. Thanks to its precise OEM design, it ensures reliable communication with the comfort module and efficient operation of the car's locking and unlocking functions without the use of a traditional key. This solution is dedicated to users who expect the keyless system in their Ford Focus Mk3 to function correctly.

Specifications and technical data

• SKU: 1751167
• Mark: Ford
• Condition: Used
• OEM Part Number: 1751167
• Substitutable numbers: 1751167, 8M5T-15K603-LB, 8M5T15K603LB
• Category: Other Starters, Alternators, ECUs & Wiring

Function and application in the Keyless Entry system

The presented antenna receiver operates within the keyless entry system, responsible for receiving and amplifying the signal from the remote control. A properly functioning module of this type:

• ensures stable key fob recognition in the vicinity of the vehicle,
• supports trouble-free locking and unlocking of the doors,
• improves the comfort of daily vehicle use,
• reduces the risk of communication errors in the electronic system. Due to its compatibility with the Ford Focus Mk3 platform, this component works with the factory electrical installation and the vehicle's original control units.

Compatibility and integration with Ford electronics

The receiver was designed by the Ford brand for full integration with the electrical architecture of the Focus Mk3 model. This means:

• maintaining the factory operating parameters of the keyless system,
• proper cooperation with body and comfort modules,
• no need for modifications to wiring or connectors during standard installation. Such a solution is particularly beneficial during diagnostics and service – the mechanic deals with a component consistent with the manufacturer's specifications, which facilitates configuration and testing after replacement.

Characteristics of the used component

The offered receiver comes from a group of used parts, which allows for an economical repair of the keyless entry system while maintaining an OEM component. This type of element is a popular choice in situations where:

• the original module has been damaged due to an electrical failure,
• there are problems with range or key fob recognition,
• a replacement of the receiver is necessary after a collision or interference with the installation. Choosing an original, used component allows you to maintain the consistency of the vehicle's electronic system and reduce the risk of incompatibility typical of replacements of uncertain origin.

Installation and operational tips

When replacing the keyless antenna-amplifier, it is worth ensuring proper cable routing and solid mounting in the location provided by the manufacturer. It is recommended to:

• check the condition of connectors and wiring before installation,
• perform system diagnostics after installation,
• verify the operation of the locking, unlocking, and potential keyless starting functions of the vehicle. Such an approach minimizes the risk of recurring faults and allows you to fully utilize the capabilities of the keyless system in your Ford Focus Mk3. If you are planning a comprehensive repair or upgrade of the electronic zone in your Ford and need other elements from the same group, such as comfort modules, signal receivers, or additional installation components, check the available parts in the Other Ford category. For a comparison of solutions used in sports designs of other brands and a better understanding of the differences in the construction of powertrains and the accompanying electronics, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers design advanced systems in modern cars.