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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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iDataLink Maestro RR2 Interface Module

Universal Stereo Replacement Interface Module for iDataLink Maestro Compatible Stereos

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Universal Stereo Replacement Interface Module for iDataLink Maestro Compatible Stereos

• Advance stereo replacement interface for select vehicles
• Offers exclusive infotainment retention
• Adds support for additional vehicles
• Enables Bluetooth programming directly from mobile device
• Retains OnStar, SYNC, Uconnect, and more

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5
List price $319.99
-19% $259.99

In stock

Metra 99-8104 Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 1984-2004 vehicles from Toyota

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Install a new Single-DIN or Double-DIN car stereo in select 1984-2004 vehicles from Toyota

• Single-DIN or Double-DIN Dash Kit
• High-Grade ABS Plastic Construction
• Compatible with select 1984-2004 vehicles from Toyota Vehicles

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4
List price $47.99
-10% $42.99

In stock

• Single-DIN or Double-DIN Dash Kit
• High-Grade ABS Plastic Construction
• Compatible with select 1984-2004 vehicles from Toyota Vehicles

Metra 40-UV43 Antenna Adapter

Connect your factory antenna to a new aftermarket radio

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Connect your factory antenna to a new aftermarket radio

• Antenna Adapter for Vehicles with Two Antennas
• 1 Male to 2 Female

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List price $16.99
-18% $13.99

In stock

Only 3 Left!

• Antenna Adapter for Vehicles with Two Antennas
• 1 Male to 2 Female

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 70-1858 Wiring Harness

Install a new car stereo in select 1986-2006 vehicles from Chevrolet, GMC, Pontiac

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Install a new car stereo in select 1986-2006 vehicles from Chevrolet, GMC, Pontiac

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

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$9.95

In stock

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

Rockford Fosgate PMX50C

50 foot extension cable

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50 foot extension cable

• Extension Cable
• Length: 50 feet

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$129.99

In stock

• Extension Cable
• Length: 50 feet

Scosche CRT-CR01

Backup Camera Retention Wiring Harness for Select 2002-2015 Chrysler, Dodge Vehicles

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Backup Camera Retention Wiring Harness for Select 2002-2015 Chrysler, Dodge Vehicles

• Retains factory backup camera with aftermarket radio installation
• Fits select Chrysler and Dodge Vehicles
• Plug-and-play installation

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List price $13.95
-7% $12.99

In stock

• Retains factory backup camera with aftermarket radio installation
• Fits select Chrysler and Dodge Vehicles
• Plug-and-play 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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2
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

Metra 95-7526B Dash Kit

Install a new Double-DIN car stereo in select 2014-2018 3

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Install a new Double-DIN car stereo in select 2014-2018 3

• ISO DDIN radio provision
• Painted matte black
• Kit can only be used with an ISO DDIN radio with an L shaped chassis design (only Alpine NE-W967HD & iLX-107)
• Compatible with select 2014-2018 3 Vehicles

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List price $99.99
-10% $89.99

In stock

Only 3 Left!

• ISO DDIN radio provision
• Painted matte black
• Kit can only be used with an ISO DDIN radio with an L shaped chassis design (only Alpine NE-W967HD & iLX-107)
• Compatible with select 2014-2018 3 Vehicles

Axxess AXUSB-MI2

Factory USB Port Retention Adapter in select 2020-2023 Outlander Sport and Outlander

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Factory USB Port Retention Adapter in select 2020-2023 Outlander Sport and Outlander

• Factory USB Retention Adapter
• Retains the OE USB port on compatible stereos
• Compatible with select 2020-2023 Outlander Sport and Outlander

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List price $32.99
-12% $28.99

In stock

• Factory USB Retention Adapter
• Retains the OE USB port on compatible stereos
• Compatible with select 2020-2023 Outlander Sport and Outlander

Axxess AXUSB-TY6

Factory USB Port Retention Adapter in select 2018-2025 vehicles from Toyota

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Factory USB Port Retention Adapter in select 2018-2025 vehicles from Toyota

• Factory USB Retention Adapter
• Retains the OE USB port on compatible stereos
• Compatible with select 2018-2025 vehicles from Toyota

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List price $18.99
-11% $16.99

In stock

Only 1 Left!

• Factory USB Retention Adapter
• Retains the OE USB port on compatible stereos
• Compatible with select 2018-2025 vehicles from Toyota

Metra 40-EU55

Antenna Adapter for select 2000-2026 vehicles from Audi, Chevrolet, Volkswagen

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Antenna Adapter for select 2000-2026 vehicles from Audi, Chevrolet, Volkswagen

• Antenna adapter
• For select 2000-2026 vehicles from Audi, Chevrolet, Volkswagen
• Use for replacing vehicle radio
• Male Motorola connector and power wire on one end
• Male European-style FAKRA on the other end

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List price $22.99
-13% $19.99

In stock

• Antenna adapter
• For select 2000-2026 vehicles from Audi, Chevrolet, Volkswagen
• Use for replacing vehicle radio
• Male Motorola connector and power wire on one end
• Male European-style FAKRA on the other end

Metra 108-TO1CHG Dash Kit

Install a new Double-DIN car stereo in select 2007-2025 Tundra and Sequoia trucks (Charcoal)

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Install a new Double-DIN car stereo in select 2007-2025 Tundra and Sequoia trucks (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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List price $62.99
-49% $31.99

In stock

Only 3 Left!

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

Crux DKGM-16 Dash Kit

Install a new Double-DIN car stereo in select 2006-2017 vehicles from Chevrolet, GMC, Buick (Matte Black)

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Install a new Double-DIN car stereo in select 2006-2017 vehicles from Chevrolet, GMC, Buick (Matte Black)

• Double-DIN Dash Kit
• Pre-programmed to retain factory Steering Wheel Controls
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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4
List price $252.00
-36% $162.00

In stock.

• Double-DIN Dash Kit
• Pre-programmed to retain factory Steering Wheel Controls
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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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1
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

Scosche CR1277B / CR1277 Dash Kit

Install a new Single-DIN car stereo in select 1998-2010 vehicles from Dodge, Chrysler, Jeep (Black)

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Install a new Single-DIN car stereo in select 1998-2010 vehicles from Dodge, Chrysler, Jeep (Black)

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

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162
List price $13.95
-21% $10.99

In stock

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

iDataLink Maestro ACC-HU-SON1

Connect Select Sony Stereos to Compatible iDataLink Maestro T-Harnesses

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Connect Select Sony Stereos to Compatible iDataLink Maestro T-Harnesses

• Connect select Sony stereos to compatible Maestro T-harnesses
• No cutting or splicing required
• Requires iDatalink Maestro RR, RR2, or SR modules
• Requires compatible iDataLink Maestro T-harness

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List price $19.99
-25% $14.99

In stock

• Connect select Sony stereos to compatible Maestro T-harnesses
• No cutting or splicing required
• Requires iDatalink Maestro RR, RR2, or SR modules
• Requires compatible iDataLink Maestro T-harness

Scosche GM1583B Dash Kit

Install a new Single-DIN car stereo in select 1992-2012 vehicles from Chevrolet, GMC, Buick (Black)

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Install a new Single-DIN car stereo in select 1992-2012 vehicles from Chevrolet, GMC, Buick (Black)

• Single-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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150
List price $15.95
-13% $13.95

In stock

Only 2 Left!

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

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

Axxess AXBUCH-TYCAM16V

Install a New Car Stereo and Retain Backup Camera in select 2012-2015 vehicles from Toyota, Scion

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Install a New Car Stereo and Retain Backup Camera in select 2012-2015 vehicles from Toyota, Scion

• Camera retention harness
• Compatible with select 2012-2015 vehicles from Toyota, Scion
• 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 2012-2015 vehicles from Toyota, Scion
• Retains the factory backup camera to an aftermarket radio

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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!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage

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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.