See all parts that fit your 2011 3
Install a new car stereo in select 2003-2016 vehicles from Ford, Mercury, Lincoln
Product highlights
• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
Install New Front Kick Panel Speakers in select 2009-2024 vehicles from Ford, Mazda, Lincoln
$11.99
List price $14.99
Connect your factory antenna to a new aftermarket radio for select 2005-2024 vehicles from Honda, Mazda, Acura
$10.99
List price $12.99
5-1/4" / 6-1/2" Speaker to 6" x 8" Adapters for select 1981-2017 vehicles from Mercury, Mazda, Lincoln
$15.99
List price $17.99
Install a New Car Stereo and Retain the Factory Antenna in select 2003-2016 vehicles from Honda, Mazda, Acura
$7.00
List price $24.00
American International MazK849
Single DIN or Double DIN Stereo Dash Kit for select 2010-2013 3
$18.99
List price $59.00
Install a new Single-DIN or Double-DIN car stereo in select 2010-2013 3 (Matte Black)
$26.99
List price $56.99
Infinity Reference 5030cx (REF5030CX)
390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System
$99.95
List price $249.95
Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
$199.00
List price $240.00
6.8” Double DIN Digital Multimedia Touchscreen Bluetooth Receiver with Wireless Apple CarPlay and Android Auto (SiriusXM Ready)
$499.00
List price $800.00
Install a new car radio faster with this wiring harness that plugs right into the vehicle's connectors, allowing you to hook up the radio into the vehicle's electrical system. On one side, the wiring harness is color-coded with wires that you'll connect or solder into the aftermarket radio/receiver. The other side has a vehicle-specific adapter that connects directly into the original radio connectors for a quicker installation without having to cut each of the wires.
Please use our Fitment Guide to determine specific compatibility for the submodel and audio features
The vehicle you have selected 2011 Mazda 3 is not compatible. Change vehicle or See list of compatible similar products
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers
$79.95
List price $109.95
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)
$469.99
List price $620.00
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
6.8" Double-DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)
$299.00
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• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
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iDataLink Maestro HRN-HRR-MA1 Wiring Harness
• Fits select 2003-2020 vehicles from Mazda
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• Retains select factory features
• Provides navigation and illumination outputs
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Crux DKGM-49 Stereo Replacement Interface
• Stereo Replacement Interface with Dash Kit
• Fits select 2006-2020 vehicles from GMC, Chevrolet, Buick Vehicles
• Accommodates ISO Double DIN Mount
• Retain steering wheel controls and chime functions
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• Color coded wires for easy installation
• No cutting or splicing required
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• Color coded wires for easy installation
• No cutting or splicing required
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• Direct Connection to the factory harness
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Manufacturer:
Model Number:
70-5520
Weight:
0.25lbs
Internal SKU:
met-705520
Internal Product ID:
12661
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Good for the $$$
Thick wire and individually marked for easy install. The bag with the wire markings can be hit or miss so look at the wires!
75 found this helpful
Metra 70-5520
This was bought for a gift. The person really likes the radio.
69 found this helpful
a positive recommendation
highly recommend the connector!
65 found this helpful
Works
Works as it should. Simple install, no problems. Would buy again.
Verified purchase
54 found this helpful
Perfect
Got this to go from my boss radio to my f150 and it works perfect.
Verified purchase
54 found this helpful
Must have
Makes installing head unit very EZ. Strongly suggest getting this since Sonix offers it FREE.
54 found this helpful
good product
The metra worked perfectly for my vehicle and stereo. I'm glad this product existed as I had searched for a few months. Being that my vehicle was no longer in production makes it hard to find parts. So this woked great.
57 found this helpful
Great product
This worked perfectly,sonic has done their research and this plugged right into m6 cars harness and worked perfectly the first time
Verified purchase
51 found this helpful
factory to aftermarket head unit
Hey Folks just a heads up that this Wiring Harness made the install of my aftermarket head unit into my F-150 a snap, plug and play, no mess I definitely recommend getting rid of that factory radio and giving your ride an Upgrade !
50 found this helpful
Good wiring harness
Color coded and pretty easy to follow when hooking up the wires to about 30 minutes when I soldered them together for a secure connection
50 found this helpful
Scosche BOBAZT Stereo Connector Kit
• Designed to connect in-dash receiver wiring harness to vehicle wiring harness
(27)
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• Color coded wires for easy installation
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Pioneer GM-D8604 (Ships as 2019 model: Pioneer GM-D8704)
600W Class FD 4-Channel GM Digital Series Amplifier
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2) Kicker 44CVX152 CVX 15" 4000w Car Subwoofers+Sealed Sub Box+Amplifier+Amp Kit
2000W Peak (1000W RMS) 15" Comp VX Series Dual 2 ohm Car Subwoofer Package
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Kenwood DDX775BH (Open Box, Complete)
Double DIN Bluetooth In-Dash DVD/CD/AM/FM Car Stereo Receiver w/ Weblink, Pandora and Spotify
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300W RMS, Slash Version 2 Series 2-Channel Amplifier
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
