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Car Stereo Installation & Accessories

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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Metra 71-2110 Wiring Harness

Factory Replacement Wiring Harnesses for select 2019-2020 vehicles from Chevrolet, GMC

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Factory Replacement Wiring Harnesses for select 2019-2020 vehicles from Chevrolet, GMC

• Factory wiring harness for select 2019-2020 vehicles from Chevrolet, GMC
• No cutting required
• Plugs into OEM radio

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List price $51.99
-58% $21.99

Available

Ships in 10-14 days

• Factory wiring harness for select 2019-2020 vehicles from Chevrolet, GMC
• No cutting required
• Plugs into OEM radio

Metra 40-VW10 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

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Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

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22
List price $11.99
-33% $7.99

In stock

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

Metra 40-HD11 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2008-2025 vehicles from Honda, Acura

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Connect your factory antenna to a new aftermarket radio for select 2008-2025 vehicles from Honda, Acura

• Antenna Adapter
• Connect the factory antenna cable to aftermarket radio
• Compatible with select 2008-2025 vehicles from Honda, Acura Vehicles

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3
List price $17.99
-11% $15.99

In stock

• Antenna Adapter
• Connect the factory antenna cable to aftermarket radio
• Compatible with select 2008-2025 vehicles from Honda, Acura Vehicles

Axxess AXFD-USB

USB, HDMI and Auxiliary Knockout Replacement Panel for 2015-2026 Vehicles from Ford

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USB, HDMI and Auxiliary Knockout Replacement Panel for 2015-2026 Vehicles from Ford

• USB / HDMI / Auxiliary Knockout Replacement Panel
• Replaces the factory USB and auxiliary panel
• Compatible with 2015-2016 vehicles from Ford

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List price $41.99
-12% $36.99

In stock

• USB / HDMI / Auxiliary Knockout Replacement Panel
• Replaces the factory USB and auxiliary panel
• Compatible with 2015-2016 vehicles from Ford

Metra 70-1721 Wiring Harness

Install a new car stereo in select 1998-2013 vehicles from Honda, Suzuki, Acura

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Install a new car stereo in select 1998-2013 vehicles from Honda, Suzuki, Acura

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

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27
$6.99

In stock

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

PAC RP4-CH11

Install New Car Stereo and Retain Steering Wheel Controls, Entertainment System, and Other Factory Features in select 2004-2018 vehicles from Dodge, Jeep, Chrysler

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Install New Car Stereo and Retain Steering Wheel Controls, Entertainment System, and Other Factory Features in select 2004-2018 vehicles from Dodge, Jeep, Chrysler

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

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12
List price $379.00
-60% $152.99

In stock

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

Axxess AXBUCH-SB1

Install a New Car Stereo and Retain Factory Backup Camera in select 2015-2023 vehicles from Subaru with 7" Screens

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Install a New Car Stereo and Retain Factory Backup Camera in select 2015-2023 vehicles from Subaru with 7" Screens

• Camera retention harness for select 2015-2023 vehicles from Subaru
• Designed for Subaru models with 7" screens
• 5-pin factory rear view camera retention harness
• 6 volt power adapter included

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1
List price $37.99
-11% $33.99

In stock

Only 2 Left!

• Camera retention harness for select 2015-2023 vehicles from Subaru
• Designed for Subaru models with 7" screens
• 5-pin factory rear view camera retention harness
• 6 volt power adapter included

Metra 40-EU56 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

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Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from Audi, Mercedes-Benz, Volkswagen

• Amplified Antenna Adapter
• For Use With Aftermarket Radios Installation
• Plug and Play

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2
List price $24.99
-12% $21.99

In stock

Only 2 Left!

• Amplified Antenna Adapter
• For Use With Aftermarket Radios Installation
• Plug and Play

Metra 40-HD10 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2005-2024 vehicles from Honda, Mazda, Acura

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Connect your factory antenna to a new aftermarket radio for select 2005-2024 vehicles from Honda, Mazda, Acura

• Factory Antenna Cable to Aftermarket Radio Receivers
• select 2005-2024 vehicles from Honda, Mazda, Acura Vehicles

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29
List price $12.99
-15% $10.99

In stock

• Factory Antenna Cable to Aftermarket Radio Receivers
• select 2005-2024 vehicles from Honda, Mazda, Acura Vehicles

PAC GMK343

Double DIN Stereo Dash Kit for select 1995-2002 vehicles from GMC, Chevrolet, Cadillac

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Double DIN Stereo Dash Kit for select 1995-2002 vehicles from GMC, Chevrolet, Cadillac

• Double DIN Install Dash Kit
• Compatible with select 1995-2002 vehicles from GMC, Chevrolet, Cadillac Vehicles
• Accommodates ISO Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture
• Modification to existing sub-dash required
• For models with separate CD CASS
• For models with pocket under climate controls

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List price $39.00
-36% $24.99

In stock

• Double DIN Install Dash Kit
• Compatible with select 1995-2002 vehicles from GMC, Chevrolet, Cadillac Vehicles
• Accommodates ISO Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture
• Modification to existing sub-dash required
• For models with separate CD CASS
• For models with pocket under climate controls

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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35
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

Metra 44-UL09 Antenna

Universal Retractable Top-Mount Antenna

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Universal Retractable Top-Mount Antenna

• Retractable Top Mount Retractable Antenna
• 31" 4-Section Retractable Mast

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7
List price $44.99
-44% $24.99

In stock

Only 3 Left!

• Retractable Top Mount Retractable Antenna
• 31" 4-Section Retractable Mast

Metra 70-8116

Power and Amplifier Bypass Harness for select 2000-2011 vehicles from Toyota with Amplified JBL System

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Power and Amplifier Bypass Harness for select 2000-2011 vehicles from Toyota with Amplified JBL System

• Amplifier bypass harness for select 2000-2011 vehicles from Toyota
• Designed for vehicles with amplified JBL system
• 17 ft. amplifier bypass harness with 8" power harness
• Includes Metra 70-8113 power harness
• Color coded wires with printed labels for easy installation

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List price $79.99
-48% $41.99

In stock

Only 2 Left!

• Amplifier bypass harness for select 2000-2011 vehicles from Toyota
• Designed for vehicles with amplified JBL system
• 17 ft. amplifier bypass harness with 8" power harness
• Includes Metra 70-8113 power harness
• Color coded wires with printed labels for easy installation

Fusion MS-ARX70W

Wireless marine stereo remote (White)

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Wireless marine stereo remote (White)

• IPX6 and IPX7 water rating
• Built-in ANT technology
• Easy-to-use buttons and LED lighting
• Available in Black

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$69.99

In stock

Only 1 Left!

• IPX6 and IPX7 water rating
• Built-in ANT technology
• Easy-to-use buttons and LED lighting
• Available in Black

Metra 40-NI11 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1998-2025 vehicles from Subaru, Nissan

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Connect your factory antenna to a new aftermarket radio for select 1998-2025 vehicles from Subaru, Nissan

• Factory Antenna Adapter to Aftermarket Radio Adapter
• select 1998-2025 vehicles from Subaru, Nissan Vehicles
• Nissan diversity factory antenna with 2-pin plug to aftermarket radio
• Disables diversity functions

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4
List price $13.99
-7% $12.99

In stock

Only 2 Left!

• Factory Antenna Adapter to Aftermarket Radio Adapter
• select 1998-2025 vehicles from Subaru, Nissan Vehicles
• Nissan diversity factory antenna with 2-pin plug to aftermarket radio
• Disables diversity functions

American International SBK929GB

Single DIN or Double DIN Stereo Dash Kit for select 2015-2024 vehicles from Subaru (Gloss Black)

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Single DIN or Double DIN Stereo Dash Kit for select 2015-2024 vehicles from Subaru (Gloss Black)

• Single & Double DIN Install Dash Kit
• Compatible with select 2015-2024 vehicles from Subaru
• Accommodates ISO Single & Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

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2
List price $64.00
-64% $22.99

In stock

• Single & Double DIN Install Dash Kit
• Compatible with select 2015-2024 vehicles from Subaru
• Accommodates ISO Single & Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

iDataLink Maestro ACC-KIT-PKT1

Single DIN Stereo Dash Pocket with Pass-Thru

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Single DIN Stereo Dash Pocket with Pass-Thru

• Universal Single DIN storage pocket
• Install Single DIN in a Double DIN dash opening
• Mounts above or below the stereo
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

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List price $99.99
-20% $79.99

In stock

Only 1 Left!

• Universal Single DIN storage pocket
• Install Single DIN in a Double DIN dash opening
• Mounts above or below the stereo
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

Metra DP-3003 Dash Kit

Double DIN Stereo Dash Kit for select 1995-2000 vehicles from GMC, Chevrolet, Cadillac

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Double DIN Stereo Dash Kit for select 1995-2000 vehicles from GMC, Chevrolet, Cadillac

• Double DIN Install Dash Kit
• Fits select 1995-2000 vehicles from GMC, Chevrolet, Cadillac Vehicles
• Accommodates ISO Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

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15
List price $294.99
-19% $237.99

In stock

Only 3 Left!

• Double DIN Install Dash Kit
• Fits select 1995-2000 vehicles from GMC, Chevrolet, Cadillac Vehicles
• Accommodates ISO Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

Scosche FD16B Wiring Harness

Install a new car stereo in select 1998-2011 vehicles from Ford, Mercury, Mazda

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Install a new car stereo in select 1998-2011 vehicles from Ford, Mercury, Mazda

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

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225
$7.99

In stock

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

Metra 70-7002

Power and Amplifier Bypass Harness for select 1992-2005 vehicles from Mitsubishi, Dodge with Amplified Infinity Sound System

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Power and Amplifier Bypass Harness for select 1992-2005 vehicles from Mitsubishi, Dodge with Amplified Infinity Sound System

• Amplifier bypass harness for select 1992-2005 vehicles from Mitsubishi, Dodge
• Designed for vehicles with amplified Infinity sound system
• 15 ft. amplifier bypass harness with 18-pin connector
• Also includes 7" power harness with 16-pin connector
• Color coded wires with printed labels for easy installation

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List price $56.99
-11% $50.99

In stock

Only 2 Left!

• Amplifier bypass harness for select 1992-2005 vehicles from Mitsubishi, Dodge
• Designed for vehicles with amplified Infinity sound system
• 15 ft. amplifier bypass harness with 18-pin connector
• Also includes 7" power harness with 16-pin connector
• Color coded wires with printed labels for easy installation

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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.

    why-shoping-with-sonic

    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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    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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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.