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Car Stereo Installation & Accessories for your 2012 Maxima

Installing an aftermarket head unit involves more than just choosing a screen; it's about building a bridge between new technology and your vehicle's factory architecture. Without the right installation accessories, a high-end receiver can't provide the seamless look or the integrated functionality your car was designed with. From dash kits that match your interior texture to complex digital interfaces that talk to your vehicle's computer, these components are what make a professional-grade installation possible.

Whether you're looking to retain your steering wheel controls, adapt a proprietary antenna plug, or ensure your new Double-DIN screen sits flush in the dash, we carry a comprehensive selection of gear from industry leaders like Metra, Scosche, PAC, and iDatalink.

Use our FitFinder to find the exact parts required for your specific year, make, and model. It's the most reliable way to ensure your DIY project results in a factory-finished look.

It's a no-brainer. Get your installation gear here.

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Axxess AXABH-NI1

Amplifier Bypass Harness for select 2007-2025 vehicles from Nissan

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Amplifier Bypass Harness for select 2007-2025 vehicles from Nissan

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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List price $62.99
-11% $55.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 40-NI12

Antenna Adapter for select 2005-2025 vehicles from Nissan, Infiniti, Acura

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Antenna Adapter for select 2005-2025 vehicles from Nissan, Infiniti, Acura

• Antenna adapter
• For select 2005-2025 vehicles from Nissan, Infiniti, Acura
• Use for replacing vehicle radio
• Male Motorola connector and blue wire lead on one end
• Nissan-style antenna connector on the other end

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List price $13.99
-29% $9.99

In stock

• Antenna adapter
• For select 2005-2025 vehicles from Nissan, Infiniti, Acura
• Use for replacing vehicle radio
• Male Motorola connector and blue wire lead on one end
• Nissan-style antenna connector on the other end

iDataLink Maestro HRN-ANT-SAT2 Antenna Adapter

Connect Factory Satellite Stereo Antenna Adapter with SiriusXM Tuner

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Connect Factory Satellite Stereo Antenna Adapter with SiriusXM Tuner

• 39" Satellite stereo antenna adapter
• Connect factory satellite antenna to aftermarket stereo
• SMB connector for use on most aftermarket stereo tuners
• Compatible with all OEM satellite stereo antenna using FAKRA connector

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List price $21.99
-23% $16.99

In stock

• 39" Satellite stereo antenna adapter
• Connect factory satellite antenna to aftermarket stereo
• SMB connector for use on most aftermarket stereo tuners
• Compatible with all OEM satellite stereo antenna using FAKRA connector

Crux SWR-A

Steering Wheel Control Retention Interface for Analog SWC

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Steering Wheel Control Retention Interface for Analog SWC

• Retains Steering Wheel Controls
• Retains VR Command
• Works with Sony Radio with CarPlay Function
• Dimension: 3.5" L x 2.5" W x 7" H

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List price $90.30
-36% $58.05

In stock

• Retains Steering Wheel Controls
• Retains VR Command
• Works with Sony Radio with CarPlay Function
• Dimension: 3.5" L x 2.5" W x 7" H

Metra 70-7552 Wiring Harness

Install a new car stereo in select 2007-2024 vehicles from Nissan, Subaru, Suzuki

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Install a new car stereo in select 2007-2024 vehicles from Nissan, Subaru, Suzuki

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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34
List price $12.99
-15% $10.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

iDataLink Maestro HRN-ANT-SAT1 Antenna Adapter

Connect Factory Satellite Stereo Antenna Adapter with SiriusXM Tuner

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Connect Factory Satellite Stereo Antenna Adapter with SiriusXM Tuner

• Satellite stereo antenna adapter
• Connects SiriusXM to vehicle's factory satellite stereo antenna
• FAKRA-to-SMB adapter cable
• Plug-n-play installation

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List price $21.99
-23% $16.99

Available

Ships in 10-14 days

• Satellite stereo antenna adapter
• Connects SiriusXM to vehicle's factory satellite stereo antenna
• FAKRA-to-SMB adapter cable
• Plug-n-play installation

iDataLink Maestro ACC-NAV1

Connect Factory GPS Antenna to Select Alpine and Kenwood Navigation Stereos

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Connect Factory GPS Antenna to Select Alpine and Kenwood Navigation Stereos

• Fakra on factory GPS to select Alpine and Kenwood stereo
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

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1
List price $21.99
-23% $16.99

In stock

• Fakra on factory GPS to select Alpine and Kenwood stereo
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

iDataLink Maestro ACC-NAV2

Connect Factory GPS Antenna to Select Pioneer Navigation Stereos

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Connect Factory GPS Antenna to Select Pioneer Navigation Stereos

• Fakra on factory GPS to select Pioneer stereos
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

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List price $21.99
-23% $16.99

In stock

• Fakra on factory GPS to select Pioneer stereos
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

Scosche NN04B Wiring Harness

Install a new car stereo in select 2007-2019 vehicles from Nissan, Subaru, Chevrolet

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Install a new car stereo in select 2007-2019 vehicles from Nissan, Subaru, Chevrolet

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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51
List price $8.95
-11% $7.95

In stock

Only 2 Left!

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Scosche NAA2B Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from Nissan, Infiniti, Acura

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Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from Nissan, Infiniti, Acura

• Factory Antenna Adapter
• select 2005-2025 vehicles from Nissan, Infiniti, Acura Vehicles
• OEM Quality Harness

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List price $10.95
-18% $8.95

In stock

Only 3 Left!

• Factory Antenna Adapter
• select 2005-2025 vehicles from Nissan, Infiniti, Acura Vehicles
• OEM Quality Harness

Axxess AX-TOY28SWC

Steering Wheel Control (SWC) Retention Harness with RCA Aux-In Connectors for select 2006-2025 vehicles from Nissan, Toyota, Subaru

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Steering Wheel Control (SWC) Retention Harness with RCA Aux-In Connectors for select 2006-2025 vehicles from Nissan, Toyota, Subaru

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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List price $14.99
-13% $12.99

In stock

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

iDataLink Maestro ACC-BT-NI1

Factory Bluetooth Module Bypass Harness for select 2007-2021 vehicles from Nissan

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Factory Bluetooth Module Bypass Harness for select 2007-2021 vehicles from Nissan

• Bluetooth bypass harness for select 2007-2021 vehicles from Nissan
• Used to re-route the steering wheel control wires
• No cutting and splicing required

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List price $11.99
-17% $9.99

In stock

• Bluetooth bypass harness for select 2007-2021 vehicles from Nissan
• Used to re-route the steering wheel control wires
• No cutting and splicing required

Metra 40-NI32 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1999-2025 vehicles from Nissan, Infiniti, Pontiac

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Connect your factory antenna to a new aftermarket radio for select 1999-2025 vehicles from Nissan, Infiniti, Pontiac

• Nissan Antenna Adapter Set for Select 2007-up Vehicles
• Includes 40NI12 and 40NI22
• Adapts FM modulator to a factory antenna connection
• Includes power wires for antenna booster
• Adapts FM modulator to a factory antenna connection
• This item is commonly used when adding a FM Modulated CD Changer

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List price $23.99
-50% $11.99

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• Nissan Antenna Adapter Set for Select 2007-up Vehicles
• Includes 40NI12 and 40NI22
• Adapts FM modulator to a factory antenna connection
• Includes power wires for antenna booster
• Adapts FM modulator to a factory antenna connection
• This item is commonly used when adding a FM Modulated CD Changer

PAC BT-SWC-NI1

Bluetooth Steering Wheel Control Retention Harness for Select Nissan Vehicles

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Bluetooth Steering Wheel Control Retention Harness for Select Nissan Vehicles

• Plug and Play Installation
• For Select Infiniti and Nissan Vehicles
• Retains Factory Bluetooth Buttons

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List price $59.00
-53% $27.99

In stock

• Plug and Play Installation
• For Select Infiniti and Nissan Vehicles
• Retains Factory Bluetooth Buttons

iDataLink Maestro HRN-HRR-NI1 Wiring Harness

Install a New Car Stereo in select 2007-2021 vehicles from Nissan (Requires ADS-MRR or ADS-MRR2 Module)

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Install a New Car Stereo in select 2007-2021 vehicles from Nissan (Requires ADS-MRR or ADS-MRR2 Module)

• Fits select 2007-2021 vehicles from Nissan
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features
• Provides navigation and illumination outputs

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List price $115.99
-31% $79.99

In stock

• Fits select 2007-2021 vehicles from Nissan
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features
• Provides navigation and illumination outputs

iDataLink Maestro HRN-RR-SA1 Wiring Harness

Install a New Car Stereo in select 2004-2020 vehicles from Nissan, Honda, Hyundai (Requires ADS-MRR or ADS-MRR2 Module)

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Install a New Car Stereo in select 2004-2020 vehicles from Nissan, Honda, Hyundai (Requires ADS-MRR or ADS-MRR2 Module)

• Fits select 2004-2020 vehicles from Nissan, Honda, Hyundai
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features

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List price $26.99
-26% $19.99

In stock

• Fits select 2004-2020 vehicles from Nissan, Honda, Hyundai
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features

Axxess AXBTH-NIS

Steering Wheel Bluetooth Control Retention Harness for select 2006-2017 vehicles from Nissan

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Steering Wheel Bluetooth Control Retention Harness for select 2006-2017 vehicles from Nissan

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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List price $18.99
-11% $16.99

In stock

Only 3 Left!

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 95-7427B Dash Kit

Install a new Double-DIN car stereo in select 2009-2014 Maxima (Matte Black)

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Install a new Double-DIN car stereo in select 2009-2014 Maxima (Matte Black)

• Double-DIN Dash Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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List price $27.99
-46% $14.99

In stock

Only 2 Left!

• Double-DIN Dash Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Crux SWRNS-63U

Radio Replacement w/ SWC Retention for select 2007-2017 vehicles from Nissan

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Radio Replacement w/ SWC Retention for select 2007-2017 vehicles from Nissan

• Retains factory features in select Nissan vehicles while functioning with an aftermarket radio
• For select 2007-2012 Nissan Vehicles
• Pre-programmed to retain Steering Wheel Controls
• Includes Antenna Adapter
• Dimension: 3.5" L x 2.5" W x 7" H

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List price $132.30
-36% $85.05

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• Retains factory features in select Nissan vehicles while functioning with an aftermarket radio
• For select 2007-2012 Nissan Vehicles
• Pre-programmed to retain Steering Wheel Controls
• Includes Antenna Adapter
• Dimension: 3.5" L x 2.5" W x 7" H

Metra 99-7633 Dash Kit

Single DIN or Double DIN Stereo Dash Kit and Harness for select 2009-2014 Maxima with Technoloy Package or Navigation

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Single DIN or Double DIN Stereo Dash Kit and Harness for select 2009-2014 Maxima with Technoloy Package or Navigation

• Single & Double DIN Install Dash Kit
• Fits select 2009-2014 Maxima Vehicles
• For 2009-2014 with technology package and 2009 with navigation
• Accommodates ISO Single & Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

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List price $713.99
-33% $479.99

In stock

Only 3 Left!

• Single & Double DIN Install Dash Kit
• Fits select 2009-2014 Maxima Vehicles
• For 2009-2014 with technology package and 2009 with navigation
• Accommodates ISO Single & Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

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    FAQ Frequently asked questions in Car Stereo Installation & Accessories


    In most modern vehicles, the factory radio is part of a larger, integrated dash panel rather than a standardized rectangular box. A vehicle-specific dash kit provides the necessary brackets and trim pieces to adapt the universal ISO-mount of an aftermarket stereo to the unique shape and mounting points of your dashboard.

    Choosing the right Car Stereo Installation & Accessories begins with understanding your vehicle's make, model, and year. This information helps you select compatible wiring harnesses and mounting kits. Next, consider your audio preferences. If you're looking to upgrade your car's sound system significantly, opt for an amplifier installation kit that matches your amplifier's power requirements.Additionally, check the head unit's compatibility with your smartphone and other devices.

    Features like Bluetooth connectivity, Apple CarPlay, or Android Auto can greatly enhance your driving experience. Ensure that the accessories you choose align with your car audio goals, whether it's improved sound quality, convenience, or connectivity.

    Not if you use a Steering Wheel Control (SWC) interface. These modules translate the signals from your factory buttons into a language your new stereo understands. Many modern integration harnesses, like the iDatalink Maestro, include this functionality along with the ability to display engine data and tire pressure on your new screen.
    We strongly recommend using a wiring harness. Cutting factory wires is permanent, increases the risk of short circuits, and can void your vehicle's electrical warranty. A harness allows you to do all your soldering or crimping on the bench, then simply plug the new assembly into the factory connector without damaging the car's original wiring.

    Safety is paramount during Car Stereo Installation & Accessories installation. Start by disconnecting the car's battery to avoid electrical accidents. When handling wiring and electrical connections, follow proper insulation techniques to prevent short circuits or fires. Secure all cables and wires away from moving parts like steering columns and pedals.

    During the installation of amplifiers and subwoofers, ensure that they are securely mounted to prevent movement while driving. Avoid drilling into gas tanks, brake lines, or other sensitive areas when installing components. It's also a good practice to have a fire extinguisher and a first aid kit on hand in case of emergencies.

    All About

    Car Stereo Installation & Accessories

    Navigating the hardware required for a radio swap can be confusing. To get the job done right the first time, it's helpful to understand the specific role each accessory plays in the signal chain and the physical assembly.

    Dash Kits: The Cosmetic Foundation

    The dash kit is what ensures your new stereo doesn't look like an afterthought. These kits are engineered to match the exact color, texture, and contour of your factory dash.

    • Single-DIN Kits: Feature a 2-inch tall opening, often including a storage pocket to fill the extra space.
    • Double-DIN Kits: Feature a 4-inch tall opening designed for large touchscreens and multimedia receivers.
    • Multi-Kits: Versatile designs that can be configured for either size depending on your hardware choice.

    Wiring Harnesses and Data Interfaces

    The wiring harness is the electrical nervous system of your install.

    • Standard Harnesses: Provide basic power, ground, and speaker connections for older vehicles.
    • Data Interfaces: Required for modern vehicles with CAN-bus systems. These modules "talk" to the car’s computer to provide a 12V switched power source (which many new cars lack at the radio) and retain safety features like door chimes, OnStar, or factory amplifiers.

    Steering Wheel and Camera Retention

    Convenience and safety shouldn't be sacrificed for better sound. Dedicated interfaces allow you to keep your hands on the wheel and your eyes on the screen when reversing. If your vehicle has a factory backup camera, a camera retention adapter allows you to feed that video signal directly into your new touchscreen's RCA input.

    Professional Installation Tools

    Using the wrong tools can lead to cracked plastic or scratched leather. A set of nylon trim removal tools is essential for prying off dash panels without leaving permanent pry marks. Additionally, we recommend high-quality crimp connectors or heat-shrink tubing to ensure your electrical connections remain stable through years of vehicle vibration.

    The Sonic Electronix Advantage

    We take the guesswork out of the DIY process. When you use our vehicle selector, we don't just show you parts that "might" work; we curate a list of accessories verified to fit your specific cabin. As an Authorized Online Retailer for reputable brands, every interface and kit we sell is backed by full technical support to help you through the trickiest parts of your installation.

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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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.