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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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Axxess AXBUCH-GM2

Install a New Car Stereo and Retain Backup Camera in select 2008-2019 vehicles from Chevrolet, Cadillac, GMC

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Install a New Car Stereo and Retain Backup Camera in select 2008-2019 vehicles from Chevrolet, Cadillac, GMC

• Camera retention and add-on harness
• Compatible with select 2008-2019 vehicles from Chevrolet, Cadillac, GMC
• Retains the factory backup camera to an aftermarket radio

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1
List price $11.99
-17% $9.99

In stock

• Camera retention and add-on harness
• Compatible with select 2008-2019 vehicles from Chevrolet, Cadillac, GMC
• Retains the factory backup camera to an aftermarket radio

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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List price $37.99
-11% $33.99

In stock

Only 3 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 99-9999

ISO Trim Ring will Finish off a Double DIN Radio Installation

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ISO Trim Ring will Finish off a Double DIN Radio Installation

• For Finishing Off a Double DIN Radio Installation
• Can Also Finish off Two ISO Stacked Radios
• Trim Ring is Scored on Back for Easy Trimming
• Compatible with [[!afgShortRange]

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List price $31.99
-13% $27.99

In stock

Only 3 Left!

• For Finishing Off a Double DIN Radio Installation
• Can Also Finish off Two ISO Stacked Radios
• Trim Ring is Scored on Back for Easy Trimming
• Compatible with [[!afgShortRange]

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 44-SHSH Antenna

8" Black Replacement Antenna Mast with 12 Adapters

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8" Black Replacement Antenna Mast with 12 Adapters

• 8" Black replacement antenna mast
• Fits into the original antenna location for AM/FM stations
• Easy removable mast design
• Includes 12 adapters to fit stereo connections

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List price $55.99
-54% $25.99

Available

Ships in 10-14 days

• 8" Black replacement antenna mast
• Fits into the original antenna location for AM/FM stations
• Easy removable mast design
• Includes 12 adapters to fit stereo connections

iDataLink Maestro KIT-CHA1 Dash Kit

Double DIN Stereo Dash Kit and Harness for select 2015-2023 Challenger and Charger and 300 (Requires MRR or MRR2 module)

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Double DIN Stereo Dash Kit and Harness for select 2015-2023 Challenger and Charger and 300 (Requires MRR or MRR2 module)

• Double DIN Install Dash Kit and Harness
• Compatible with select 2015-2023 Challenger and Charger and 300
iDataLink ADS-MRR or iDataLink ADS-MRR2 modules required (Sold separately)
• Features factory grade fit and finish
• High-grade ABS plastic construction
• Retains factory features

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List price $194.99
-18% $159.99

In stock

• Double DIN Install Dash Kit and Harness
• Compatible with select 2015-2023 Challenger and Charger and 300
iDataLink ADS-MRR or iDataLink ADS-MRR2 modules required (Sold separately)
• Features factory grade fit and finish
• High-grade ABS plastic construction
• Retains factory features

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 3 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

PAC APA-TOS1

Optional TOSLink Optical Digital Output for AmpPro Modules

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Optional TOSLink Optical Digital Output for AmpPro Modules

• Fiber optic audio add-on module for PAC AmpPRO interfaces
• Quick installation with any AmpPRO interface
• Provides digital fiber optic variable signal output
• Compatible with TOSLINK-equipped digital signal processors or amps
• Digital audio signals are less vulnerable to noise and interference

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List price $119.00
-51% $57.99

In stock

• Fiber optic audio add-on module for PAC AmpPRO interfaces
• Quick installation with any AmpPRO interface
• Provides digital fiber optic variable signal output
• Compatible with TOSLINK-equipped digital signal processors or amps
• Digital audio signals are less vulnerable to noise and interference

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

Scosche KAAB Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2007-2025 vehicles from Hyundai, Kia, Genesis

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Connect your factory antenna to a new aftermarket radio for select 2007-2025 vehicles from Hyundai, Kia, Genesis

• Scosche Antenna Adapter
• Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)
• select 2007-2025 vehicles from Hyundai, Kia, Genesis Vehicles

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List price $7.85
-11% $6.99

In stock

• Scosche Antenna Adapter
• Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)
• select 2007-2025 vehicles from Hyundai, Kia, Genesis Vehicles

Wet Sounds WS-EQ IDM - B

Universal In-Dash Equalizer Mounting Bracket for WS-420SQ (Black)

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Universal In-Dash Equalizer Mounting Bracket for WS-420SQ (Black)

• In-dash marine equalizer mounting bracket
• Fits Wet Sounds WS 420 SQ equalizers (Sold Separately)
• Made with CNC billet aluminum material
• Mounting hardware included

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$129.99

In stock

Only 1 Left!

• In-dash marine equalizer mounting bracket
• Fits Wet Sounds WS 420 SQ equalizers (Sold Separately)
• Made with CNC billet aluminum material
• Mounting hardware included

Axxess AXBUCH6V-HK2

Install a New Car Stereo and Retain Backup Camera in select 2013-2018 vehicles from Hyundai, Kia

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Install a New Car Stereo and Retain Backup Camera in select 2013-2018 vehicles from Hyundai, Kia

• Camera retention harness
• Compatible with select 2013-2018 vehicles from Hyundai, Kia
• Retains the factory backup camera to an aftermarket radio

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List price $52.99
-11% $46.99

In stock

• Camera retention harness
• Compatible with select 2013-2018 vehicles from Hyundai, Kia
• Retains the factory backup camera to an aftermarket radio

Metra 88-00-9700

Universal Equalizer Pocket for Metra Turbo Kits with EQ Provision

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Universal Equalizer Pocket for Metra Turbo Kits with EQ Provision

• Universal Equalizer Pocket
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

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List price $19.99
-10% $17.99

In stock

Only 1 Left!

• Universal Equalizer Pocket
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

Metra 70-6510

Amp Bypass Wiring Harness for select 2004-2005 Ram 2500 / 1500 / 3500 with Infinity System

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Amp Bypass Wiring Harness for select 2004-2005 Ram 2500 / 1500 / 3500 with Infinity System

• Wiring Harness For 2004-2005 Dodge Ram With Infinity System
• For Models Without The Hands-Free Capable Option
• 204" Long Amplifier Bypass Harness
• One 22-Pin Power Plug, 18-Pin Amplifier Plug

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2
List price $85.99
-36% $54.99

In stock

• Wiring Harness For 2004-2005 Dodge Ram With Infinity System
• For Models Without The Hands-Free Capable Option
• 204" Long Amplifier Bypass Harness
• One 22-Pin Power Plug, 18-Pin Amplifier Plug

Scosche GM1598B / GM1598 Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 2006-2014 vehicles from Chevrolet (Black)

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Install a new Single-DIN or Double-DIN car stereo in select 2006-2014 vehicles from Chevrolet (Black)

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

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List price $17.70
-15% $14.99

In stock

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

iDataLink Maestro ACC-HU-JEN1 Wiring Harness

Connect Select Jensen Stereos to iDataLink Maestro Compatible T-Harnesses

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Connect Select Jensen Stereos to iDataLink Maestro Compatible T-Harnesses

• Connects to select Jensen stereos to Maestro "stereo ready" T-harness
• Plug n play, no cutting required
• Requires iDataLink interface module to work

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List price $19.99
-25% $14.99

In stock

• Connects to select Jensen stereos to Maestro "stereo ready" T-harness
• Plug n play, no cutting required
• Requires iDataLink interface module to work

Scosche HA1717B Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 2013-2017 Accord (Gloss Black)

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Install a new Single-DIN or Double-DIN car stereo in select 2013-2017 Accord (Gloss Black)

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

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List price $69.54
-14% $59.99

In stock

Only 1 Left!

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

Metra 44-SIXM

Ultra-Low Profile SIRIUSXM Satellite Radio Antenna with Adhesive/Magnet Mount

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Ultra-Low Profile SIRIUSXM Satellite Radio Antenna with Adhesive/Magnet Mount

• Low-profile, XM Satellite Radio Antenna
• Small design for easy installation
• Shock and vibration proof
• Cable length: 23 ft.

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$49.99

In stock

Only 2 Left!

• Low-profile, XM Satellite Radio Antenna
• Small design for easy installation
• Shock and vibration proof
• Cable length: 23 ft.

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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$6.99

In stock

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

Scosche FD1330B / FD1330 Dash Kit

Install a new Double-DIN car stereo in select 1995-2011 vehicles from Ford, Mercury, Lincoln (Black)

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Install a new Double-DIN car stereo in select 1995-2011 vehicles from Ford, Mercury, Lincoln (Black)

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

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List price $12.95
-15% $10.99

In stock

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

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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.