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  1. Home
  2. MB Quart Store
  3. Discontinued MB Quart Car Audio & Electronics
  4. Discontinued MB Quart Car Audio Installation & Accessories
  5. Discontinued MB Quart Car Speaker Installation & Accessories
  6. Discontinued MB Quart Car Speaker Adapter & Mounting Brackets

Discontinued MB Quart Car Speaker Adapter & Mounting Brackets for your 1979 GLC close

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

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Compatible Speaker Size
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.
Factory Opening Size Compatibility
This is the size of the factory opening that the speaker adapter is designed to fit in. This is not the size of speaker that will fit inside of the adapter, but the size of the factory opening that the speaker adapter fits into.
Spacer Thickness
This is the thickness of the spacer. Spacers are meant to extend the mounting depth. If no thickness is listed here, then the spacer/adapter is not meant to extend the mounting depth.

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MB Quart 40-7235

Pair of 5-1/4" Speaker to 6-1/2" Hole Adapter Rings

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MB Quart 40-7235

Pair of 5-1/4" Speaker to 6-1/2" Hole Adapter Rings

Speaker Adapter Rings • 5-1/4" Speaker to 6-1/2" Hole Adapter Rings • Made Specifically for MB Quart 5-1/4" Speakers • Two Rings Inclued

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6

Speaker Adapter Rings • 5-1/4" Speaker to 6-1/2" Hole Adapter Rings • Made Specifically for MB Quart 5-1/4" Speakers • Two Rings Inclued

 
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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
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