See all parts that fit your 2003 Sprinter
OnStar Interface (OS2C) for Select 2000-2008 GM Vehicles
• Plug and Play Interface That Allows Replacement Of GM Class 2 Factory Stereo
• While Keeping OnStar System
• OnStar Active LED and Ignition on LED for Visual Indication
* Note: If Premium Bose is bypassed.
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The Car Guy
This adapter is exactly what I needed to keep my OnStar on my 2006 Chevy Active. Easy to connect and it works great. Sonic Rocks.
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.