Garage
Shop

Car Stereo Installation & Accessories for your 2018 HR-V

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.

Your Vehicle


Checkmark Icon
2018 HR-V
Product results for your vehicle – confirm details to verify fitment.

Update vehicle | Remove vehicle | Vehicle store

Top sellers

Loading...
Filters
filter-icon Filters & Sort

iDataLink Maestro ACC-USB2 USB Adapter

Connect Converted Factory USB Port to Aftermarket Car Stereo in select 2012-2025 vehicles from Toyota, Subaru, Honda

ACC-USB2 big
Go to item page Right Arrow Icon of Right Arrow

Connect Converted Factory USB Port to Aftermarket Car Stereo in select 2012-2025 vehicles from Toyota, Subaru, Honda

• USB adapter for select 2012-2025 vehicles from Toyota, Subaru, Honda
• Retains vehicle's factory USB port
• Converts factory USB port cable to full size male USB
• Male USB can be plugged into aftermarket radio

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
List price $21.99
-23% $16.99

In stock

• USB adapter for select 2012-2025 vehicles from Toyota, Subaru, Honda
• Retains vehicle's factory USB port
• Converts factory USB port cable to full size male USB
• Male USB can be plugged into aftermarket radio

Metra 40-HD11 Antenna Adapter

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

40-HD11 big
Go to item page Right Arrow Icon of Right Arrow

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
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

Metra 40-HD23

Reverse Antenna Adapter for select 2016-2025 vehicles from Honda

40-HD23 big
Go to item page Right Arrow Icon of Right Arrow

Reverse Antenna Adapter for select 2016-2025 vehicles from Honda

• Honda 2016-Up Reverse Antenna Adapter
• Adapter for installing aftermarket antenna
• select 2016-2025 vehicles from Honda Vehicles

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $18.99
-5% $17.99

Available

Ships in 10-14 days

• Honda 2016-Up Reverse Antenna Adapter
• Adapter for installing aftermarket antenna
• select 2016-2025 vehicles from Honda Vehicles

PAC USB-TY1

Toyota/Lexus OEM USB Port Retention Cable

USB-TY1 big
Go to item page Right Arrow Icon of Right Arrow

Toyota/Lexus OEM USB Port Retention Cable

• OEM USB Retention Cable
• For 2012-Up Toyota and Lexus Vehicles
• Simple Installation

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
2
List price $29.00
-55% $12.99

In stock

Only 3 Left!

• OEM USB Retention Cable
• For 2012-Up Toyota and Lexus Vehicles
• Simple Installation

Axxess AXBUCH6V-H24V

Install a New Car Stereo and Add or Retain Backup Camera in select 2015-2025 vehicles from Honda without Touchscreen Stereos

AXBUCH6V-H24V big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo and Add or Retain Backup Camera in select 2015-2025 vehicles from Honda without Touchscreen Stereos

• Camera retention and add-on harness
• Compatible with select 2015-2025 vehicles from Honda without touchscreen stereos
• Retains the factory backup camera to an aftermarket radio
• Applicable for display and navigation model radios
Axxess AXCSD-6V required (Sold separately)

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $41.99
-12% $36.99

In stock

Only 2 Left!

• Camera retention and add-on harness
• Compatible with select 2015-2025 vehicles from Honda without touchscreen stereos
• Retains the factory backup camera to an aftermarket radio
• Applicable for display and navigation model radios
Axxess AXCSD-6V required (Sold separately)

iDataLink Maestro ACC-NAV3 Antenna Adapter

Connect Factory GPS Antenna to Select Pioneer Stereos

ACC-NAV3 big
Go to item page Right Arrow Icon of Right Arrow

Connect Factory GPS Antenna to Select Pioneer Stereos

• GPS adapter to connect to select Pioneer stereos
• Converts Kenwood and Alpine GPS antennas to fit Pioneer
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $21.99
-23% $16.99

In stock

• GPS adapter to connect to select Pioneer stereos
• Converts Kenwood and Alpine GPS antennas to fit Pioneer
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

Scosche HAA2B Antenna Adapter

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

HAA2B big
Go to item page Right Arrow Icon of Right Arrow

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

• Factory Antenna Adapter
• select 2008-2025 vehicles from Honda, Acura Vehicles
• OEM Quality

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
10
List price $7.85
-11% $6.99

In stock

Only 2 Left!

• Factory Antenna Adapter
• select 2008-2025 vehicles from Honda, Acura Vehicles
• OEM Quality

Metra 70-1729 Wiring Harness

Install a new car stereo in select 2008-2021 vehicles from Honda, Acura

70-1729 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 2008-2021 vehicles from Honda, Acura

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
5
List price $16.99
-41% $9.99

In stock

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

Crux SWRHN-62CV

Install a New Stereo in select 2012-2020 vehicles from Honda

SWRHN-62CV big
Go to item page Right Arrow Icon of Right Arrow

Install a New Stereo in select 2012-2020 vehicles from Honda

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $16.20 in rewards to spend later

found car based on your search
Fits your HR-V
List price $252.00
-36% $162.00

In stock

Only 1 Left!

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

Metra 99-7810B Dash Kit

Single DIN Stereo Dash Kit for select 2016-2020 HR-V

99-7810B big
Go to item page Right Arrow Icon of Right Arrow

Single DIN Stereo Dash Kit for select 2016-2020 HR-V

• Single DIN Install Dash Kit
• Fits select 2016-2020 HR-V Vehicles
• Accommodates ISO Single DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $47.99
-48% $24.99

In stock

Only 2 Left!

• Single DIN Install Dash Kit
• Fits select 2016-2020 HR-V Vehicles
• Accommodates ISO Single DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

iDataLink Maestro HRN-HRR-HO2 Wiring Harness

Install a New Car Stereo in select 2008-2018 vehicles from Honda (Requires ADS-MRR or ADS-MRR2 Module)

HRN-HRR-HO2 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo in select 2008-2018 vehicles from Honda (Requires ADS-MRR or ADS-MRR2 Module)

• Fits select 2008-2018 vehicles from Honda
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features
• Provides navigation and illumination outputs

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $10.00 in rewards to spend later

found car based on your search
Fits your HR-V
List price $115.99
-14% $99.99

In stock

• Fits select 2008-2018 vehicles from Honda
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features
• Provides navigation and illumination outputs

Crux SWRHN-62HV

Install a New Stereo in select 2015-2022 HR-V and Fit

SWRHN-62HV big
Go to item page Right Arrow Icon of Right Arrow

Install a New Stereo in select 2015-2022 HR-V and Fit

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Made for models with factory 5" screen

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $13.91 in rewards to spend later

Fits select models only.
Add details to confirm fitment.
List price $216.30
-36% $139.05

In stock

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Made for models with factory 5" screen

PAC HWH816

Install a New Car Stereo and Retain Factory Backup Camera in select 2016-2021 vehicles from Honda

HWH816 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo and Retain Factory Backup Camera in select 2016-2021 vehicles from Honda

• Stereo wiring harness
• Compatible with select 2016-2021 vehicles from Honda
• Connects to the vehicle's factory harness
• Retains factory backup camera

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $24.00
-38% $15.00

In stock

• Stereo wiring harness
• Compatible with select 2016-2021 vehicles from Honda
• Connects to the vehicle's factory harness
• Retains factory backup camera

PAC HWH810

Install a New Car Stereo in select 2008-2021 vehicles from Honda, Acura

HWH810 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo in select 2008-2021 vehicles from Honda, Acura

• Wiring harness to install a new stereo
• Compatible with select 2008-2021 vehicles from Honda, Acura
• Plugs into the factory harness

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $24.00
-63% $9.00

In stock

Only 2 Left!

• Wiring harness to install a new stereo
• Compatible with select 2008-2021 vehicles from Honda, Acura
• Plugs into the factory harness

PAC HO11

FM Modulator Antenna Adapter for select 2009-2018 vehicles from Honda

HO11 big
Go to item page Right Arrow Icon of Right Arrow

FM Modulator Antenna Adapter for select 2009-2018 vehicles from Honda

• FM modulator Integration for select 2009-2018 vehicles from Honda
• Plug-and-play, no cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $49.00
-24% $37.00

In stock

Only 2 Left!

• FM modulator Integration for select 2009-2018 vehicles from Honda
• Plug-and-play, no cutting or splicing required

PAC HO8

Install a New Car Stereo and Retain the Factory Antenna in select 2010-2021 vehicles from Honda

HO8 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo and Retain the Factory Antenna in select 2010-2021 vehicles from Honda

• Antenna adapter for aftermarket stereos
• Compatible with select 2010-2021 vehicles from Honda
• Retains the factory antenna
• Plugs into the factory harness

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $24.00
-58% $10.00

In stock

• Antenna adapter for aftermarket stereos
• Compatible with select 2010-2021 vehicles from Honda
• Retains the factory antenna
• Plugs into the factory harness

PAC HO4

Install a New Car Stereo and Retain the Factory Antenna in select 2009-2020 vehicles from Honda, Acura

HO4 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Car Stereo and Retain the Factory Antenna in select 2009-2020 vehicles from Honda, Acura

• Antenna adapter for aftermarket stereos
• Compatible with select 2009-2020 vehicles from Honda, Acura
• Retains the factory antenna
• Plugs into the factory harness

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
List price $24.00
-63% $9.00

In stock

Only 3 Left!

• Antenna adapter for aftermarket stereos
• Compatible with select 2009-2020 vehicles from Honda, Acura
• Retains the factory antenna
• Plugs into the factory harness

PAC HONK813

Single DIN or Double DIN Stereo Dash Kit for select 2016-2021 HR-V

HONK813 big
Go to item page Right Arrow Icon of Right Arrow

Single DIN or Double DIN Stereo Dash Kit for select 2016-2021 HR-V

• Single & Double DIN Install Dash Kit
• Compatible with select 2016-2021 HR-V Vehicles
• Accommodates ISO Single & Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $6.00 in rewards to spend later

found car based on your search
Fits your HR-V
List price $64.00
-6% $59.99

In stock

Only 1 Left!

• Single & Double DIN Install Dash Kit
• Compatible with select 2016-2021 HR-V Vehicles
• Accommodates ISO Single & Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

Metra 40-HD21 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2009-2022 vehicles from Honda, Acura

40-HD21 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 2009-2022 vehicles from Honda, Acura

• Honda factory radio to aftermarket antenna for select 2009-up Honda and Acura vehicles

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your HR-V
1
List price $18.99
-11% $16.99

In stock

Only 1 Left!

• Honda factory radio to aftermarket antenna for select 2009-up Honda and Acura vehicles

Waterproof Marine Grade Cigarette Lighter Socket (Female) (Belva BAWPL)

12V-16V Locking Cigarette Lighter Port/Socket for Car Charger Power; Great for Cars, Trucks, SUV, ATV/UTV, SSV

BAWPL big
Go to item page Right Arrow Icon of Right Arrow

12V-16V Locking Cigarette Lighter Port/Socket for Car Charger Power; Great for Cars, Trucks, SUV, ATV/UTV, SSV

• 12V - 16V Volt Waterproof Locking Cigarette Lighter Port
• Multiple Mounting Options

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $7.99
-63% $2.99

In stock

• 12V - 16V Volt Waterproof Locking Cigarette Lighter Port
• Multiple Mounting Options

Items per page: 20

    Clear all

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

    2018 Honda HR-V

    1969 Pontiac Firebird

    1977 Cadillac DeVille

    1973 GMC C1500 Suburban

    2019 Toyota Prius C

    1974 Jeep J10

    2013 BMW 335is

    2008 Infiniti G37

    2005 Acura NSX

    2000 Mazda B3000

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    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
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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.