YDTHTLAH Lexus Smart Key Fob Replacement HYQ14FBA 314.3MHz — ES350/ES300h/GS350 Compatible, Pre-installed Battery

This YDTHTLAH smart key fob is a direct aftermarket replacement for compatible Lexus models (HYQ14FBA, 314.3 MHz) that restores keyless entry and remote functions after programming by a professional.

If your original Lexus smart key is lost, damaged, or the buttons no longer respond, this aftermarket replacement provides a complete electronics-ready housing with pre-installed battery and circuit board. It’s built to match the frequency and part numbers used by many Lexus ES and GS models from 2013 through 2020, making it a straightforward swap once cut and programmed by a locksmith or dealer.

Which Lexus models and part numbers does this fob support?

This key fob matches specific OEM identifiers and model years used across several Lexus ES and GS vehicles. Confirm your existing key lists the same FCC ID or part number before purchasing to ensure compatibility.

• FCC ID: HYQ14FBA; frequency: 314.3 MHz
• OEM part number compatibility: 89904-06170; board number: 281451-0020G
• Commonly fits: ES300h, ES350 (2013–2018/2017 depending on model), GS300t, GS350, GS450h (model years listed)

How do I get this replacement keyed and programmed?

This unit ships with the circuit and battery installed but requires professional cutting and electronic programming. A certified locksmith or Lexus dealer can cut the included metal key blank and program the transponder to your vehicle’s immobilizer system.

• Bring your vehicle and old key (if available) to a locksmith or dealer
• Provide the fob’s FCC ID/part number to verify compatibility prior to service
• Expect both physical key cutting and electronic pairing steps from the technician

What functionality does this aftermarket fob provide compared to the original?

The replacement restores primary remote features—lock, unlock, trunk release, and panic—identical in operation once programmed. As an aftermarket product, it is supplied without manufacturer branding or logo but contains the full electronics required for keyless entry.

• Pre-installed battery and tested circuit board for immediate readiness
• Supports keyless entry and remote functions after pairing
• No OEM logo; aftermarket housing that matches the original form factor

What should I know about warranty and support?

The seller offers a limited return and replacement window to address compatibility or early-failure concerns. Contact customer support for assistance if the fob does not function after professional programming.

• All units tested before shipment and include a pre-installed battery
• Refunds or replacements available within 3 months of purchase
• Customer support response within 24 hours for troubleshooting

Who is this for: This YDTHTLAH smart key fob is intended for Lexus owners who need a cost-effective aftermarket replacement for lost or broken remotes and who can access professional key cutting and programming services. It’s a practical option for owners of compatible ES and GS models who want to restore full remote operation without buying a new OEM-branded key.