Upgrade your vehicle's factory radio with the GMK421 installation kit. Designed for select General Motors vehicles, this versatile dash kit allows for the installation of a Single ISO aftermarket stereo with a storage pocket or a Double DIN multimedia receiver. Engineered for a factory-quality fit and finish, the GMK421 provides a clean, professional appearance while making it easy to add modern audio and infotainment features to your vehicle.

Features

  • Supports Single ISO radio installation with storage pocket
  • Accommodates Double DIN aftermarket receivers
  • Factory-style fit and finish
  • Precision-engineered for a secure, gap-free installation
  • Durable automotive-grade ABS plastic construction
  • Factory-matched texture and color
  • Ideal for multimedia, navigation, Bluetooth®, Apple CarPlay®, and Android Autoâ„¢ receivers
  • Includes mounting brackets and installation hardware
  • Designed for professional and DIY installations

Specifications

  • Part Number: GMK421
  • Radio Compatibility: Single ISO with Pocket or Double DIN
  • Color: Black
  • Material: High-Impact ABS Plastic
  • Finish: Factory-Matched Texture
  • Pocket Included: Yes
  • Mounting Style: Dash Installation Kit
  • Hardware Included: Yes
  • Installation Instructions: Included
  • Approximate Shipping Weight: 1 lb.

Common Vehicle Applications

Compatible with select General Motors vehicles including certain:

  • Chevrolet cars, trucks, and SUVs
  • GMC trucks and SUVs
  • Cadillac vehicles
  • Buick vehicles
  • Oldsmobile vehicles
  • Pontiac vehicles

Vehicle compatibility varies by year, make, model, and factory radio configuration. Verify fitment before ordering.

Package Contents

  • Main dash panel
  • Single ISO trim ring
  • Double DIN trim panel
  • Storage pocket
  • Mounting brackets
  • Mounting hardware
  • Installation instructions

Works Great With

    Complementary products