Dual USB Port Interface AUX Jack Fit for Chevy Buick Cadillac

In this review the Dual USB port interface AUX jack is evaluated as a practical replacement part for Chevrolet, GMC, Buick and Cadillac models from 2016 to 2018. The bottom line: this unit is for owners who need a direct, plug-and-play swap to restore USB and AUX functions in vehicles whose head units are compatible. The reviewer found the module meets the stated replacement part numbers, installs easily without special tools, and reliably restores audio and basic USB device power for phones and accessories.

Key Features

• OEM fit: Matches the listed replacement part numbers so it fits the intended 2016-2018 Chevy, GMC, Buick and Cadillac dashboards with minimal trim removal.
• Dual USB ports: Provides two USB connections so drivers can charge a phone while playing audio from a second device or thumb drive.
• AUX audio jack: Restores auxiliary input for playing music from devices that do not use Bluetooth or CarPlay.
• Android Auto and Apple CarPlay support: Works with head units that support those platforms so modern phones can be integrated when the vehicle system is compatible.
• Plug-and-play installation: Simple replacement installation that plugs into the existing port harness without requiring complex wiring changes.
• Multipurpose USB power: USB ports can power small accessories such as dash cams, car vacuums or other 12V USB devices depending on the vehicle system.

Who It's For

This part is aimed at owners of 2016-2018 Chevy, GMC, Buick and Cadillac models whose factory USB/AUX panel has failed, become loose, or been removed during repairs. It is especially useful for drivers who want the convenience of two USB ports and an AUX input restored without replacing the entire head unit.

It is not for vehicles that lack the matching head unit port or for owners who need advanced charging specifications or USB-C modern fast charging. Buyers should confirm their exact model compatibility on the vehicle details page before purchasing.

Pros & Cons

Pros

• Direct plug-and-play replacement that restores audio and charging functionality quickly.
• Dual USB ports add flexibility to charge a phone and run a dash accessory simultaneously.
• Supports Android Auto and Apple CarPlay when the vehicle head unit is compatible, enabling integrated phone features.
• Listed replacement part numbers help ensure a correct fit for compatible models.

Cons

• Functionality depends on the vehicle head unit and system compatibility, so it may not enable features on incompatible systems.
• Not a solution for vehicles requiring different connector types or modern USB-C fast charging standards.

Specifications

Our Verdict

The Dual USB port interface AUX jack is a sensible, cost-effective fix for 2016-2018 Chevy, GMC, Buick and Cadillac owners who need to restore USB and AUX functionality. It delivers on ease of installation and basic charging and audio playback, making it good value for anyone with the correct head unit compatibility, while buyers needing modern fast charging or different connectors should seek alternatives.

Frequently Asked Questions

Will this unit work with my car?
It fits many 2016-2018 Chevy, GMC, Buick and Cadillac models that use the listed replacement part numbers, but you must confirm your head unit has the matching port and system compatibility.

Can the USB ports fast-charge phones?
Some phones may charge through the USB ports, but this is not advertised as a high-speed USB-C fast-charge solution; charging performance depends on the vehicle system.

Is installation difficult?
Installation is plug-and-play for compatible head units and typically requires only basic panel removal and connector insertion.