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  4. Metra Car Audio Installation & Accessories
  5. Metra Car Speaker Installation & Accessories
  6. Metra Car Speaker Adapter & Mounting Brackets

Metra Car Speaker Adapter & Mounting Brackets for your 2018 Cascada close

Perfect fit and enhanced sound with Metra Car Speaker Adapter & Brackets.

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These are the speaker sizes that the product is compatible with. For car speaker adapters, these are the sizes of aftermarket speakers that will fit inside the adapter.

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Metra 82-3004

6x9" Speaker Mounting Adapter for select 2012-2025 vehicles from GMC, Chevrolet, Cadillac

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Metra 82-3004

6x9" Speaker Mounting Adapter for select 2012-2025 vehicles from GMC, Chevrolet, Cadillac

• Fits select 2012-2025 vehicles from GMC, Chevrolet, Cadillac
• Designed to install 6x9" aftermarket speakers
• Easy installation, no cutting or drilling required
• Includes (1) speaker adapter plate

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This speaker adapter fits your Cascada
  • Far-Rear Side Panels 6" x 9" Full-Range
24
List price $33.99
-12% $29.99

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• Fits select 2012-2025 vehicles from GMC, Chevrolet, Cadillac
• Designed to install 6x9" aftermarket speakers
• Easy installation, no cutting or drilling required
• Includes (1) speaker adapter plate

Metra 82-4600

Universal Aftermarket 6-1/2 Inch Speaker Installation Kit

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Metra 82-4600

Universal Aftermarket 6-1/2 Inch Speaker Installation Kit

• Universal Aftermarket 6-1/2 Inch Speaker Installation Kit
• Provides Spacing For 6-1/2" Aftermarket Speaker Installation
• Unique Universal Design Fits Many Applications

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Universal – fits most vehicles.
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List price $37.99
-21% $29.99

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• Universal Aftermarket 6-1/2 Inch Speaker Installation Kit
• Provides Spacing For 6-1/2" Aftermarket Speaker Installation
• Unique Universal Design Fits Many Applications

 
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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