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American International GMSB-345

5-1/4" to 6-1/2" speaker adapter brackets

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6-1/2" to 5-1/4" Front Speaker Adapters for GM Fullsize Trucks

Learn more about the gmsb345

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This item has been discontinued


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Description


American International brand icon

Authorized dealer

  • 5-1/4" to 6-1/2" Speaker Bracket
  • Front Speaker Adapters
  • Applications:
    • Cadillac: 2002 - 2003 EXT
    • Chevy: 1995-UP Avalanche / Full-Size Pickups / Suburban / Tahoe
    • GMC: 1995-UP Sierra / Suburban / Yukon / Denali

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82-6901,DB6502 main

Polk Audio DB6502 DB+ 6.5" 600 Watt Car Speakers with Free 6" x 9" Adapters

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-9.29%

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Kicker CSC65 (46CSC654)

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123
-33.36%

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DMH-1800NEX main

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3
-16.67%

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Kicker CSC693 (46CSC6934)

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40
-30.02%

$111.96

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43DSC6504 main

Kicker DSC650 (43DSC6504)

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28
-10.53%

$84.99

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3
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44
-16.69%

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Specifications & Details


Adapter and Spacer Specifications
Compatible Speaker Size
5-1/4"
Factory Opening Size Compatibility
6-1/2"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

GMSB-345

Weight:

0.50lbs

Internal SKU:

gmsb345

Internal Product ID:

4307

Customer Ratings & Reviews


American International GMSB-345 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Great product

No problems with this product. Fits good.

By JC on March 29, 2011

1 found this helpful


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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.