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Metra 82-3005 Speaker Mounting Brackets Install 6-1/2" and 6-3/4" speakers in select 2014-up GM trucks

Item # 120823005

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Item # 120823005

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About the Metra 82-3005 Speaker Mounting Brackets

Metra 82-3005

Metra's 82-3005 brackets will allow you to install select 6-1/2" and 6-3/4" speakers in the factory speaker openings of select 2014-up GM trucks. Please enter your vehicle information or call an Advisor at 1-888-955-6000 to confirm that these adapters are compatible with your vehicle. Warranty: 1 year.

What's in the box:

MFR #82-3005

Customer reviews for Metra 82-3005 Speaker Mounting Brackets

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4.5 out of 5 stars
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More details on the Metra 82-3005 Speaker Mounting Brackets

Pat M.

Product Research


Overview: As of 11/14/14, the 82-3005 is compatible with select 2014-2015 GM Trucks. The bracket is designed to allow easy replacement of the factory speakers with select aftermarket 6½ and 6¾ speakers. (Please refer to the Crutchfield Vehicle Selector to confirm fit in your vehicle.)

6¾ Speakers: For a 6¾ speaker to fit in the opening of this bracket, the tabs around the inner speaker opening will need to be removed. They are scored along the bottom for easy removal, but still may require pliers and a file.

6½ Speakers: 6½ speakers with the 3-hole bolt pattern or the symmetrical 4-hole bolt pattern can be mounted using the tabs around the inner speaker opening of this bracket (if the hole spacing matches).

5¼ Speakers: While a 5¼ speaker will mount easily in this bracket given the bolt pattern, the frame of a typical 5¼ is approximately ½" smaller than the opening in the bracket, making a 6½ or 6¾ a better fit. When using a 5¼, a speaker baffle must also be used to seal the rear of the speaker.


  • Inner Diameter: 5.74" (not accounting for the inner tabs)
  • Height: 1.748"
  • Three-Hole Tab Spacing (6½): 4.637"-4.928"
  • Four-Hole Tab Spacing (6½):
    • Perimeter: 3.8"-4.03"
    • Diagonal: 5.36"-5.68"
  • Four-Hole Spacing (6¾):
    • Perimeter: 4.415"
    • Diagonal: 6.23"

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Customer Q&A

8 questions already asked

How deep can the speaker go?
jojobro  Dec 25, 2022
1 answer
The available mounting depth for a speaker will vary depending on the vehicle that these brackets are being installed into. I recommend contacting an advisor by calling 1-800-324-9695 to get help checking your vehicle
jason  Dec 26, 2022 (Staff)
Can these be used to mount 6x8 speakers in a 2021 GMC Sierra?
zac  Aug 13, 2022
1 answer
These brackets are not rated to hold 6x8 speakers and also are not expected to work in a 2021 GMC Sierra pickup. We do offer brackets that allow some 6x9 speakers to fit into the front doors. Here are those brackets:
jason  Aug 13, 2022 (Staff)
Hey I have a 2017 impala with Bose system it has 6x9s in the door already I wanted to know will these still fit if I changed to 6x5s?
jrell  Jan 17, 2022
1 answer
If you are buy a set of front door speakers from Crutchfield you'll receive a set of Metra 82-3005 Speaker Mounting Brackets free with purchase of speakers. So yes these will fit for frontdoors .
alfonso  Jan 18, 2022
Would these fit my 2016 GMC Sierra reg cab pillar speakers ?
greasemonkey316  Jan 06, 2021
1 answer
You can check to see if this will fit your vehicle by using our Outfit My Car tool: For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
thomas  Jan 21, 2021 (Staff)
Will these work in a 2015 Chevy Silverado crew cab? And if so, are the front and rear doors the same adapter brackets? Wanting to install 6.5's in front and rear.
christopher  Jan 06, 2020
3 answers
Yes they will work. The front doors will also fit 6/9 speakers.
kevin  Jan 06, 2020
I used them for some JL Audio's components where the tweeter could be mounted separately or in the center of the of the woofer. using these adapters works fine except you need plenty of foam to seal up everything & may want to consider dynamat in the door. If I did it again I'd mount the tweeters higher or at least aimed upwards the GM truck design keeps all the highs muffled down there. Anyway yes use the same brackets for front & rear.
steve  Jan 06, 2020
I had a 2016 GMC double cab, the front and back door mounts are different, can't tell by looking at the picture if they will workEnter
christopher  Jan 06, 2020
can i use these for 6x9 speakers?
richard  Feb 05, 2018
1 answer
Yes, they will work for 6x9 but be advised, it needs some type of foam piece/padding on the bottom edge where they "clip" to the door. If you don't use something like that, they vibrate. Only has a bolt hole on the top.
tracy  Feb 05, 2018

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