MechanMagic Replacement Key Fob for Chevrolet Silverado & GMC Sierra 2022-2024 — YG0G21TB2 Prox Smart Remote, 433 MHz, Pre‑assembl

MechanMagic key fob replacement compatible with Chevrolet Silverado and GMC Sierra 2022–2024 delivers a ready-to-program proximity smart remote (YG0G21TB2) with batteries and electronics included.

If your factory remote is lost, damaged, or failing, this MechanMagic replacement recreates the full prox smart key experience for Chevys and GMs that use the YG0G21TB2 FCC profile. The unit arrives fully assembled with battery and internal electronics already installed and pre-tested, so it’s ready for professional programming at a dealership or by an auto locksmith. It works specifically with push-button start (smart key) vehicles and replaces part numbers 13548437 and 13548440 at 433 MHz.

Which vehicles and part numbers will this MechanMagic remote work with?

This replacement is designed for Chevrolet Silverado 1500/2500/3500 and GMC Sierra 1500/2500/3500 model years 2022, 2023, and 2024 that use the YG0G21TB2 FCC ID. It matches OE part numbers 13548437 and 13548440 and operates on 433 MHz frequency.

• Compatible models: Silverado and Sierra 1500/2500/3500, 2022–2024
• FCC ID: YG0G21TB2 — verify your original fob label
• OEM part replacements: 13548437, 13548440
• Frequency: 433 MHz for proper RF communication

How is this key fob delivered and what’s already installed?

Each MechanMagic remote ships fully assembled with the internal circuit board and battery pre-installed and tested to confirm basic function. Because the electronics are included, you receive a complete blank smart key ready for the required professional programming step.

• Comes with installed battery and electronics—no soldering or parts swap required
• Pre-tested before shipping to reduce DOA risk
• Packaged as one complete keyless entry remote control

Do I need special tools or programming to make it work with my truck?

Yes — this unit requires programming by an authorized auto locksmith or a dealership; there is no user self-program option. Professional programming pairs the remote’s transponder and RF settings to your vehicle’s immobilizer and push-button start system.

• Professional programming is required—dealership or locksmith services recommended
• Not compatible with keyed ignition (non-push-button) vehicles
• Bring proof of ownership and original vehicle info to speed the programming process

What practical benefits can I expect after installation?

After proper programming, the replacement fob restores remote lock/unlock, proximity keyless access, and remote start capability if the vehicle originally supported those features. It functions like the original factory remote when paired correctly and serves as a dependable spare or replacement.

• Restores factory smart-entry convenience and remote functions
• Useful as a backup key or immediate replacement for a lost fob
• Pre-installed battery reduces preparation time for programming appointments

Who is this for: MechanMagic’s replacement remote is aimed at Silverado and Sierra owners (2022–2024) who need a full prox smart key replacement for push-button start models—whether you lost the original, want a backup, or need a cost-effective alternative to an OEM fob. Keep in mind it replaces specific part numbers and requires professional programming, so it’s best for owners prepared to visit a locksmith or dealer to finish setup.