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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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PAC RPA-KNOB1

Climate Control Knob Set for select 2010-2015 Camaro

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Climate Control Knob Set for select 2010-2015 Camaro

• Complete set of two climate control knobs
• Compatible with select 2010-2015 Camaro
• Replaces worn factory climate control knobs

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List price $179.00
-22% $139.00

In stock

Only 2 Left!

• Complete set of two climate control knobs
• Compatible with select 2010-2015 Camaro
• Replaces worn factory climate control knobs

Metra 70-5514

Amplifier Eliminator Plug for select 1989-1997 vehicles from Ford, Mercury, Lincoln

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Amplifier Eliminator Plug for select 1989-1997 vehicles from Ford, Mercury, Lincoln

• Amplifier Eliminator Plug For Select Ford/Lincoln/Mercury Vehicles
• Plugs Into Car Harness
• Plugs Into Amplifier Harness And Into Speaker Inputs

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List price $45.99
-11% $40.99

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Only 2 Left!

• Amplifier Eliminator Plug For Select Ford/Lincoln/Mercury Vehicles
• Plugs Into Car Harness
• Plugs Into Amplifier Harness And Into Speaker Inputs

Metra 40-SB10

Antenna Adapter for select 2005-2025 vehicles from Subaru

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Antenna Adapter for select 2005-2025 vehicles from Subaru

• Antenna adapter
• For select 2005-2025 vehicles from Subaru
• Use for replacing vehicle radio
• Male Motorola connector on one end
• Female Subaru-style antenna connector on the other end

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List price $14.99
-27% $10.99

In stock

• Antenna adapter
• For select 2005-2025 vehicles from Subaru
• Use for replacing vehicle radio
• Male Motorola connector on one end
• Female Subaru-style antenna connector on the other end

Metra 99-7816G Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 2006-2011 Civic

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Install a new Single-DIN or Double-DIN car stereo in select 2006-2011 Civic

• Single-DIN or Double-DIN Dash Kit
• Accommodates ISO Single/Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture
• Compatible with select 2006-2011 Civic Vehicles

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List price $45.99
-35% $29.99

In stock

• Single-DIN or Double-DIN Dash Kit
• Accommodates ISO Single/Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture
• Compatible with select 2006-2011 Civic Vehicles

Metra 108-FD1CH Dash Kit

Install a new Double-DIN car stereo in select 2015-2017 F-150 (Charcoal)

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Install a new Double-DIN car stereo in select 2015-2017 F-150 (Charcoal)

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

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$419.99

In stock.

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

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 2 Left!

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

American International GMK265

Single DIN or Double DIN Stereo Dash Kit for select 2007-2014 vehicles from Cadillac (Satin Black)

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Single DIN or Double DIN Stereo Dash Kit for select 2007-2014 vehicles from Cadillac (Satin Black)

• Single & Double DIN Install Dash Kit
• Compatible with select 2007-2014 vehicles from Cadillac
• 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 $84.00
-43% $47.99

In stock

• Single & Double DIN Install Dash Kit
• Compatible with select 2007-2014 vehicles from Cadillac
• Accommodates ISO Single & Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

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

Axxess AXBUCH-SB2

Replace Factory Stereo and Retain Factory Backup Camera in select 2015-2024 vehicles from Subaru

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Replace Factory Stereo and Retain Factory Backup Camera in select 2015-2024 vehicles from Subaru

• Harness to retain factory reverse camera to an aftermarket stereo
• Compatible with select 2015-2024 vehicles from Subaru
• Designed for models with base radio, 6.2” screen
• All vehicles will require AXCSD-6V (sold separately)

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List price $44.99
-11% $39.99

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Only 3 Left!

• Harness to retain factory reverse camera to an aftermarket stereo
• Compatible with select 2015-2024 vehicles from Subaru
• Designed for models with base radio, 6.2” screen
• All vehicles will require AXCSD-6V (sold separately)

Crux DKGM-C2D Dash Kit

Double DIN Stereo Dash Kit and Harness for select 2000-2012 vehicles from Chevrolet, GMC, Pontiac

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Double DIN Stereo Dash Kit and Harness for select 2000-2012 vehicles from Chevrolet, GMC, Pontiac

• Double DIN Install Dash Kit
• Fits select 2000-2012 vehicles from Chevrolet, GMC, Pontiac Vehicles
• Accommodates ISO Double DIN Mount
• Retains chimes and RAP
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

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List price $126.00
-36% $81.00

In stock

• Double DIN Install Dash Kit
• Fits select 2000-2012 vehicles from Chevrolet, GMC, Pontiac Vehicles
• Accommodates ISO Double DIN Mount
• Retains chimes and RAP
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

iDataLink Maestro ADS-MSW Universal Steering Wheel Control Interface

Install New Car Stereo and Retain Steering Wheel Controls

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Install New Car Stereo and Retain Steering Wheel Controls

• Retain Factory Steering Wheel Controls with Aftermarket Stereo
• Compatible with More than 1700 Vehicles
• Works with Most Aftermarket Stereo Brands
• Assign Each Control a Secondary Function
• Program it Yourself with a Windows Based Computer

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List price $79.99
-19% $64.99

In stock

• Retain Factory Steering Wheel Controls with Aftermarket Stereo
• Compatible with More than 1700 Vehicles
• Works with Most Aftermarket Stereo Brands
• Assign Each Control a Secondary Function
• Program it Yourself with a Windows Based Computer

Axxess AX-NISUSB

Install a New Car Stereo, Retain OE USB Port, and 3.5mm Jack in select 2011-2021 vehicles from Nissan

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Install a New Car Stereo, Retain OE USB Port, and 3.5mm Jack in select 2011-2021 vehicles from Nissan

• 8-Pin USB adaptor for select 2011-2021 vehicles from Nissan
• Retains the OE an USB port and factory installed 3.5mm jack
• Includes USB, 8-pin port, and with RCA wire

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List price $14.99
-27% $10.99

In stock

• 8-Pin USB adaptor for select 2011-2021 vehicles from Nissan
• Retains the OE an USB port and factory installed 3.5mm jack
• Includes USB, 8-pin port, and with RCA wire

Metra 40-EU30 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford

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Connect your factory antenna to a new aftermarket radio for select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford

• Antenna Adapter Kit
• select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford Vehicles
• Antenna adapters for adding CD changer or other sources with FM modulator

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List price $21.99
-14% $18.99

In stock

• Antenna Adapter Kit
• select 1999-2017 vehicles from Mercedes-Benz, BMW, Ford Vehicles
• Antenna adapters for adding CD changer or other sources with FM modulator

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

JL Audio XMD-USBCA/CHG2X-PNL

Dual USB Charging Jack for Panel-Mounting

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Dual USB Charging Jack for Panel-Mounting

• Dual USB charging jack for Panel-mounting
• 5V / 2.1A output charging point for digital devices
• Mounts to 1.25" thick flat surface

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$99.99

Available

Ships in 10-14 days

• Dual USB charging jack for Panel-mounting
• 5V / 2.1A output charging point for digital devices
• Mounts to 1.25" thick flat surface

Metra 40-VL10 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1999-2009 vehicles from Volvo

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Connect your factory antenna to a new aftermarket radio for select 1999-2009 vehicles from Volvo

• Vehicle Antenna Adapter Cable • Compatible with select 1999-2009 vehicles from Volvo Vehicles
• Factory antenna to aftermarket radio

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List price $16.99
-18% $13.99

In stock

Only 1 Left!

• Vehicle Antenna Adapter Cable • Compatible with select 1999-2009 vehicles from Volvo Vehicles
• Factory antenna to aftermarket radio

Metra SY16-0001

16-Pin Replacement Harness for Factory Sony Stereo

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16-Pin Replacement Harness for Factory Sony Stereo

• 16-Pin Replacement Harness for Factory Sony Stereo
• Color coded wires for easy installation
• No cutting or splicing required

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$26.15

Available

Ships in 10-14 days

• 16-Pin Replacement Harness for Factory Sony Stereo
• Color coded wires for easy installation
• No cutting or splicing required

Metra 99-5855CH Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 2011-2014 Edge

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Install a new Single-DIN or Double-DIN car stereo in select 2011-2014 Edge

• Single-DIN or Double-DIN Dash Kit
• LCD display
• Steering wheel functionality
• Climate functions
• Compatible with select 2011-2014 Edge Vehicles

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List price $1075.99
-49% $549.99

In stock.

• Single-DIN or Double-DIN Dash Kit
• LCD display
• Steering wheel functionality
• Climate functions
• Compatible with select 2011-2014 Edge Vehicles

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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$7.99

In stock

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

iDataLink Maestro ACC-USB-HK1 USB Adapter

Connect Factory USB Port and AUX Input to Aftermarket Car Stereo in select 2010-2025 vehicles from Kia, Hyundai

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Connect Factory USB Port and AUX Input to Aftermarket Car Stereo in select 2010-2025 vehicles from Kia, Hyundai

• USB adapter for select 2010-2025 vehicles from Kia, Hyundai
• Retains factory USB port and AUX input
• Connects factory USB port and aux input on aftermarket stereos

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List price $75.99
-21% $59.99

In stock

Only 1 Left!

• USB adapter for select 2010-2025 vehicles from Kia, Hyundai
• Retains factory USB port and AUX input
• Connects factory USB port and aux input on aftermarket stereos

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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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    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • 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.