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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 44-UA42 Antenna

Shark Fin Style Roof Mount Universal Amplified AM/FM Antenna

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Shark Fin Style Roof Mount Universal Amplified AM/FM Antenna

• Roof Mount Amplified Antenna
• Shark fin design for sleek installation
• Color: Black

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List price $166.99
-40% $99.99

In stock

Only 3 Left!

• Roof Mount Amplified Antenna
• Shark fin design for sleek installation
• Color: Black

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

Available

Ships in 10-14 days

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

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

Stinger SEADASH3B

Round Gauge Mount Stereo Dash Kit (Black)

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Round Gauge Mount Stereo Dash Kit (Black)

• Round Gauge Mount Install Dash Kit
• Accommodates ISO gauge mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

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List price $49.00
-55% $22.00

In stock

• Round Gauge Mount Install Dash Kit
• Accommodates ISO gauge mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

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)

iDataLink Maestro ACC-USB1 USB Adapter

Connect Converted Factory USB Port to Aftermarket Car Stereo in select 2008-2025 vehicles from Nissan, Ford, Chrysler

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Connect Converted Factory USB Port to Aftermarket Car Stereo in select 2008-2025 vehicles from Nissan, Ford, Chrysler

• USB adapter for select 2008-2025 vehicles from Nissan, Ford, Chrysler
• Retains vehicle's factory USB port
• Converts factory USB port cable to full size male USB
• Male USB can be plugged into aftermarket radio

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List price $21.99
-23% $16.99

In stock

• USB adapter for select 2008-2025 vehicles from Nissan, Ford, Chrysler
• Retains vehicle's factory USB port
• Converts factory USB port cable to full size male USB
• Male USB can be plugged into aftermarket radio

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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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

Metra 99-3300 Dash Kit

Install a new Single-DIN car stereo in select 1994-2004 vehicles from Chevrolet, GMC, Isuzu

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Install a new Single-DIN car stereo in select 1994-2004 vehicles from Chevrolet, GMC, Isuzu

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

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List price $26.99
-37% $16.99

In stock

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

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 3 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

PAC USB-TY2

Toyota OEM USB Port Retention Cable

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Toyota OEM USB Port Retention Cable

• OEM USB Retention Cable
• For 2010-Up Toyota Vehicles
• Simple Installation

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List price $29.00
-52% $13.99

In stock

Only 1 Left!

• OEM USB Retention Cable
• For 2010-Up Toyota Vehicles
• Simple Installation

Metra 99-3307G (Includes Wiring Harness)

Install a new Single-DIN or Double-DIN car stereo in select 2010-2015 Terrain and Equinox (Gray)

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Install a new Single-DIN or Double-DIN car stereo in select 2010-2015 Terrain and Equinox (Gray)

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

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List price $543.99
-41% $319.99

In stock

Only 3 Left!

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

Axxess AXUSB-RAM1

USB, HDMI and Auxiliary Replacement Panel for 2015-up Vehicles from Chrysler, Dodge, and Jeep

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USB, HDMI and Auxiliary Replacement Panel for 2015-up Vehicles from Chrysler, Dodge, and Jeep

• USB / HDMI / Auxiliary Replacement Panel
• Replaces the factory USB and auxiliary panel
• Compatible with 2015-up vehicles from Chrysler, Dodge, and Jeep

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List price $69.99
-10% $62.99

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Only 3 Left!

• USB / HDMI / Auxiliary Replacement Panel
• Replaces the factory USB and auxiliary panel
• Compatible with 2015-up vehicles from Chrysler, Dodge, and Jeep

Axxess AXUSB-GM3

3 Ft. USB/AUX/HDMI Knockout Replacement Panel for select 2014-2024 vehicles from GMC, Chevrolet, Cadillac

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3 Ft. USB/AUX/HDMI Knockout Replacement Panel for select 2014-2024 vehicles from GMC, Chevrolet, Cadillac

• 3 Feet USB, AUX, and HDMI replacement panel for select 2014-2024 vehicles from GMC, Chevrolet, Cadillac
• Designed to replace the factory USB/AUX panel in certain GM vehicles
• Panel face includes two USB inputs, 3.5mm AUX input, and HDMI port
• Panel wiring includes two USB type A output, HDMI output, and two RCA output

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List price $43.99
-11% $38.99

In stock

• 3 Feet USB, AUX, and HDMI replacement panel for select 2014-2024 vehicles from GMC, Chevrolet, Cadillac
• Designed to replace the factory USB/AUX panel in certain GM vehicles
• Panel face includes two USB inputs, 3.5mm AUX input, and HDMI port
• Panel wiring includes two USB type A output, HDMI output, and two RCA output

Axxess AXBUCH-GM3

Retain the Factory Backup Camera in select 2012-2025 vehicles from Chevrolet, GMC, Buick

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Retain the Factory Backup Camera in select 2012-2025 vehicles from Chevrolet, GMC, Buick

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Compatible with select 2012-2025 vehicles from Chevrolet, GMC, Buick

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List price $21.99
-14% $18.99

In stock

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Compatible with select 2012-2025 vehicles from Chevrolet, GMC, Buick

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]

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

Axxess AXABH-HN1

Amplifier Bypass Harness for select 2018-2022 Accord Hybrid and Insight

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Amplifier Bypass Harness for select 2018-2022 Accord Hybrid and Insight

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

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List price $33.99
-12% $29.99

In stock

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

Metra DP-3002PWT

Double DIN Stereo Dash Kit for select 1999-2002 vehicles from Chevrolet, GMC (Pewter)

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Double DIN Stereo Dash Kit for select 1999-2002 vehicles from Chevrolet, GMC (Pewter)

• Double DIN Install Dash Kit
• Compatible with select 1999-2002 vehicles from Chevrolet, GMC
• Accommodates ISO Double DIN mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

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List price $254.99
-31% $174.99

In stock

Only 3 Left!

• Double DIN Install Dash Kit
• Compatible with select 1999-2002 vehicles from Chevrolet, GMC
• Accommodates ISO Double DIN mount
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

Metra 95-9011B Dash Kit

Install a new Double-DIN car stereo in select 2005-2022 vehicles from Volkswagen (Matte Black)

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Install a new Double-DIN car stereo in select 2005-2022 vehicles from Volkswagen (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 $38.99
-54% $17.99

In stock

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

iDataLink Maestro HRN-AV-GM2 Wiring Harness

Retain the Factory Rear Seat Entertainment System for select 2007-2014 vehicles from GMC, Cadillac, Chevrolet

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Retain the Factory Rear Seat Entertainment System for select 2007-2014 vehicles from GMC, Cadillac, Chevrolet

• Audio/video adapter for select 2007-2014 vehicles from GMC, Cadillac, Chevrolet
• Retains the use of vehicle's rear seat entertainment
• Retains factory wiring integrity
• Designed to be used with iDataLink ADS-MRR

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List price $43.99
-20% $34.99

In stock

• Audio/video adapter for select 2007-2014 vehicles from GMC, Cadillac, Chevrolet
• Retains the use of vehicle's rear seat entertainment
• Retains factory wiring integrity
• Designed to be used with iDataLink ADS-MRR

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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
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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.