The Best Interfaces & Converters 2024

1. Metra Axxess GMOS-04 Class II OnStar Interface for Amplified Systems

The GMOS-04 interface is designed to allow the user to replace the OEM radio with an aftermarket unit in amplified GM vehicles and retain full functionality of the OnStar system as well as all safety and warning chimes. The GMOS-04 will also retain the retained accessory power convenience features. This interface has the capability of adjusting chime and OnStar volumes as well. In addition to these features, the GMOS-04 now has the required outputs for the installation of a navigation radio.

Automotive Electrical Parts & Accessories Retains OnStar with adjustable volume output Retains chimes with adjustable level output Retains RAP feature Navigation outputs included USB update interface compatible Compatibility: GM Vehicles Premium and Bose 2000-08

2. Metra - Radio Harness for Select 2000-2005 Buick Pontiac LeSabre Bonneville - Multi

From our expanded online assortment; compatible with 2010 Kia Soul vehicles; allows you to install an aftermarket radio in your vehicle's dash

This interface allows you to upgrade your Buick, Oldsmobile or Pontiac vehicle's sound system with an aftermarket radio. The custom design includes navigation outputs and allows you to replace an OEM unit while retaining Chimes, OnStar or RAP operation.

3. Metra - Dash Kit for Select 2008-2011 Ford Focus DIN DDIN - Multi

Compatible with most 2009 or later Toyota Venza vehicles; installs a double DIN radio or 2 single DIN radios into your vehicle's dash; textured; ABS plastic construction

Enhance your vehicle's sound system with an aftermarket radio with this Metra 99-5816 installation kit that's made for use with 2008 - 2011 Ford Focus vehicles. The custom design lets you keep the factory-installed air vents in their original locations.

4. AXXESS - Radio Harness for Select 1997-2004 Chevrolet Corvette - Multi

From our expanded online assortment; compatible with most 1988-2006 GM vehicles; copper, polypropylene and steel materials

This interface allows you to upgrade your Chevrolet Corvette vehicle's sound system with an aftermarket radio. The interface allows retention of accessory power features for convenience.

5. AXXESS - Radio Harness for Select 2006-2007 Jeep Dodge Dakota Commander - Multi

Compatible with most 1997-2002 Audi and Volkswagen vehicles; 1.1' length; copper, polypropylene and steel materials

For select vehicles, this interface provides a 12V accessory power output.

6. AXXESS - Replacement Interface for Select Nonamplified GM Vehicles - Black

Compatible with 2003-2007 Honda Accord vehicle models; aftermarket radio installation pocket; ABS plastic material

Upgrade your vehicle's sound system with an aftermarket radio while retaining full OnStar functionality with this Metra replacement interface harness that is designed for use with select nonamplified GM vehicles that use the GMLAN data bus system.

7. Metra - Interface for Select Chevrolet Equinox and Pontiac Torrent Vehicles - Multi

From our expanded online assortment; compatible with most 1988-2006 GM vehicles; copper, polypropylene and steel materials

This interface allows you to upgrade your Chevrolet Equinox or Pontiac Torrent sound system with an aftermarket radio. The custom design includes navigation outputs and allows you to replace an OEM unit while retaining OnStar and RAP operation.

8. AXXESS - Interface for 2005-2006 Chevrolet Equinox and Pontiac Torrent Vehicles - Blue

From our expanded online assortment; compatible with select 2006-2007 Audi A3/A4 vehicles; allows you to install an aftermarket radio in your vehicle's dash

Upgrade your Chevrolet Equinox or Pontiac Torrent sound system with this interface that allows you to replace an OEM radio without losing Chimes, OnStar or RAP operation.

9. AXXESS - Interface Installation Kit for Select 2000 or Later Vehicles - Multi

From our expanded online assortment; compatible with select 2000-2011 Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Isuzu, Pontiac and Saturn vehicles; allows the replacement of an OEM radio with an aftermarket unit

This interface provides navigation outputs and an ASWC harness to allow installation of an aftermarket radio in select vehicles.

10. AXXESS - Interface for 2003-2007 Cadillac CTS and SRX Vehicles - Black

From our expanded online assortment; compatible with select 1998-2005 Lexus GS series vehicles; allows the installation of an aftermarket radio into a factory dash location; snap-in ISO mount system; ABS plastic

Upgrade your Cadillac CTS or SRX sound system with this interface that allows you to replace an OEM radio without losing Chimes, OnStar or RAP operation.