Description
Chevrolet Smart Key Fob Replacement
2019–2021Product Summary
Brand new original factory 5-button smart key fob for select 2019–2021 Chevrolet Silverado vehicles. Genuine OEM part compatible with FCC ID HYQ1EA operating at 433 MHz con chip transponder ID 46 (PCF7953X). Includes factory CR2032 battery and unencrypted HU100 emergency key.
Technical Specifications
| Product Type | Proximity Smart Key |
| Condition | OEM New |
| FCC ID | HYQ1EA |
| IC Number | 1551A-1EA |
| Frequency | 433 MHz |
| Chip Type | ID 46 (PCF7953X) |
| Buttons | 5 Button (Lock, Unlock, Remote Start, Rear Tailgate, Panic) |
| Part Number | 13508398, 13529632, 13529633 |
| Battery | Included |
| Battery Size | CR2032 |
| Emergency Key | HU100 |
Vehicle Compatibility
- Chevrolet Silverado: 2019–2021
Frequently Asked Questions
How do I know if this is the correct key for my vehicle?
To confirm compatibility, match your original remote’s FCC ID, part number, transponder chip, button count, and frequency with this listing. Your vehicle should also match the compatibility information shown above before purchase.
Can I program this key myself?
In most cases, no. This type of smart key fob typically requires professional programming using locksmith or dealer-level equipment. If an emergency key blade is included, it may also need to be cut before use.
What is included with this key?
This listing includes a brand new original factory smart key fob, internal original electronics, transponder chip, battery, and uncut HU100 emergency key blade.
Full Compatibility & Product Details
This official brand new OEM Chevrolet smart key fob is designed for select 2019–2021 Chevrolet Silverado models, supporting lock, unlock, panic, remote start, and rear tailgate functions depending on the vehicle's original factory configuration.
It is important to verify the FCC ID, part number, frequency, chip type, battery size, and emergency key type before purchase to ensure proper fit and function.
This brand new factory original key guarantees maximum signal range, long-term durability, and seamless programming compatibility.
Professional programming is required for this key. Please confirm all product details and compatibility before purchase.

