Garage
Shop
Loading...
Filters

We are sorry, no available results!

filter-icon Filters & Sort

Metra 86-9001

1998-2006 Volkswagen/Audi/Mercedes Radio Removal Tool

86-9001 big
Go to item page Right Arrow Icon of Right Arrow

1998-2006 Volkswagen/Audi/Mercedes Radio Removal Tool

• Radio removal tool for select 1998-2006 Volkswagen, Audi, and Mercedes vehicles

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
5
Was $19.99 Details
$10.99

In stock

Only 3 Left!

• Radio removal tool for select 1998-2006 Volkswagen, Audi, and Mercedes vehicles

Metra 40-VW10 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2019 vehicles from Mercedes-Benz, Audi, Volkswagen

40-VW10 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1973-2019 vehicles from Mercedes-Benz, Audi, Volkswagen

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2019 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
14
Was $19.99 Details
$7.99

In stock

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2019 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

GROM Audio AUDU3 (GROM-USB3-AUD)

Android and iOS Smartphone Integration for Select 1998-2009 Audi Vehicles

AUDU3 big
Go to item page Right Arrow Icon of Right Arrow

Android and iOS Smartphone Integration for Select 1998-2009 Audi Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1998-2009 Audi Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

shipping truck icon
FREE shipping to VA. Delivers Apr. 10 - Apr. 17

empty

found car based on your search
This product fits your 1998 A4
$174.99

Available

Ships in 10-14 days

AUDU3 small

Item added to your cart.

Price: $174.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
GROM Audio C-35USB

5 Ft 3.5mm Auxiliary Input Cable with 5 Volt USB Charging

$16.99

$19.99

Add to cart
GROM Audio BTD

Optional Bluetooth Module for Music Streaming and Hands Free Calling

$64.99

$64.99

Add to cart
Five Piece Installer's Panel Removal Tool Kit

Helps with removing dash and trim panels during car stereo installation.

$18.99

$11.99

Add to cart

GROM Audio AUDB3 Audi Bluetooth Streaming Kit (GROM-BT3-AUD)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2009 Audi Factory Radios

AUDB3 big
Go to item page Right Arrow Icon of Right Arrow

Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2009 Audi Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 1998-2009 Audi Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

shipping truck icon
FREE 2-day shipping to VA. Get it Sat, Mar. 30

empty

$179.99

In stock

Only 2 Left!

• Hands Free Bluetooth Car Kit
• Compatible With Select 1998-2009 Audi Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

AUDB3 small

Item added to your cart.

Price: $179.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Scosche VWA2B Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2017 vehicles from BMW, Audi, Volkswagen

VWA2B big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1973-2017 vehicles from BMW, Audi, Volkswagen

• VW Amplified Antenna Adapter
• select 1973-2017 vehicles from BMW, Audi, Volkswagen Vehicles

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

22
Was $14.95 Details
$12.99

In stock

Only 3 Left!

• VW Amplified Antenna Adapter
• select 1973-2017 vehicles from BMW, Audi, Volkswagen Vehicles

Crux BTS-VW1

Bluetooth Audio Streaming, USB Connectivity & Line Input Interface for Select 1999 - 2008 Volkswagen & Audi Vehicles

BTS-VW1 big
Go to item page Right Arrow Icon of Right Arrow

Bluetooth Audio Streaming, USB Connectivity & Line Input Interface for Select 1999 - 2008 Volkswagen & Audi Vehicles

• Adds Bluetooth Music Streaming
• For Select Audi & Volkswagen Vehicles
• Adds an AUX Input
• Navigation App Voice through Factory Speakers
• Dimension: 3.5" L x 2.5" W x 7" H

shipping truck icon
FREE 3-day shipping to VA. Delivers Apr. 5 - Apr. 9

empty

Was $161.95 Details
$99.95

In stock.

• Adds Bluetooth Music Streaming
• For Select Audi & Volkswagen Vehicles
• Adds an AUX Input
• Navigation App Voice through Factory Speakers
• Dimension: 3.5" L x 2.5" W x 7" H

BTS-VW1 small

Item added to your cart.

Price: $99.95

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra 44-PW530 Antenna

Universal Fully Automatic Power Antenna

44-PW530 big
Go to item page Right Arrow Icon of Right Arrow

Universal Fully Automatic Power Antenna

• Replacement Power Antenna for Select Vehicles
• Replaceable Mast
• Fully Automatic

shipping truck icon
FREE 2-day shipping to VA. Get it Sat, Mar. 30

empty

found car based on your search
This product fits your 1998 A4
2
Was $129.99 Details
$85.99

In stock

Only 3 Left!

• Replacement Power Antenna for Select Vehicles
• Replaceable Mast
• Fully Automatic

44-PW530 small

Item added to your cart.

Price: $85.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra 70-1784 Wiring Harness

Install a new car stereo in select 1980-2017 vehicles from Volkswagen, Audi, Mercedes-Benz

70-1784 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1980-2017 vehicles from Volkswagen, Audi, Mercedes-Benz

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

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
12
Was $29.99 Details
$5.99

In stock

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

Scosche VWARB Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1975-2015 vehicles from Mercedes-Benz, Volkswagen, BMW

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

Connect your factory antenna to a new aftermarket radio for select 1975-2015 vehicles from Mercedes-Benz, Volkswagen, BMW

• Converts standard Motorola female to OEM antenna male
• Use when replacing factory non-amplified antenna
• VW Reverse Antenna Converter
• Aftermarket Antenna Female (Standard Motorola Plug) to Factory Radio Male (OEM Original Proprietary Plug)
• select 1975-2015 vehicles from Mercedes-Benz, Volkswagen, BMW Vehicles

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

$8.95

In stock

Only 1 Left!

• Converts standard Motorola female to OEM antenna male
• Use when replacing factory non-amplified antenna
• VW Reverse Antenna Converter
• Aftermarket Antenna Female (Standard Motorola Plug) to Factory Radio Male (OEM Original Proprietary Plug)
• select 1975-2015 vehicles from Mercedes-Benz, Volkswagen, BMW Vehicles

Metra 40-VW53 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2019 vehicles from Mercedes-Benz, Audi, Volkswagen

40-VW53 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1973-2019 vehicles from Mercedes-Benz, Audi, Volkswagen

• Aftermarket Radio To Factory Antenna Adapter (Amplified)
• Compatible with select 1973-2019 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles
• Includes Power Wire For Antenna Booster
• Can Be Used In Place Of 40-VW54

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
3
$12.99

In stock

Only 3 Left!

• Aftermarket Radio To Factory Antenna Adapter (Amplified)
• Compatible with select 1973-2019 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles
• Includes Power Wire For Antenna Booster
• Can Be Used In Place Of 40-VW54

Metra 40-VW21 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1988-2006 vehicles from BMW, Mercedes-Benz, Audi

40-VW21 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1988-2006 vehicles from BMW, Mercedes-Benz, Audi

• Factory Radio to Aftermarket Antenna Connector
• Compatible with select 1988-2006 vehicles from BMW, Mercedes-Benz, Audi Vehicles

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

2
Was $19.99 Details
$9.99

In stock

Only 2 Left!

• Factory Radio to Aftermarket Antenna Connector
• Compatible with select 1988-2006 vehicles from BMW, Mercedes-Benz, Audi Vehicles

Metra 40-VW20 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1982-2019 vehicles from Mercedes-Benz, Audi, Volkswagen

40-VW20 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1982-2019 vehicles from Mercedes-Benz, Audi, Volkswagen

• Factory Radio to Aftermarket Antenna Adapter
• Compatible with select 1982-2019 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
Was $29.99 Details
$4.99

In stock

• Factory Radio to Aftermarket Antenna Adapter
• Compatible with select 1982-2019 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles

Scosche SAAI651

select 1996-2008 vehicles from Audi Multi 6.5" Speaker Adapter

SAAI651 big
Go to item page Right Arrow Icon of Right Arrow

select 1996-2008 vehicles from Audi Multi 6.5" Speaker Adapter

• 6.5" Multi Speaker Adapter
• Compatible with select 1996-2008 vehicles from Audi Vehicles

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This speaker adapter fits your 1998 A4
  • Rear Deck Corner 6.5" Full-Range
Was $14.95 Details
$10.95

In stock

Only 1 Left!

• 6.5" Multi Speaker Adapter
• Compatible with select 1996-2008 vehicles from Audi Vehicles

Metra 40-VW54 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2017 vehicles from BMW, Audi, Volkswagen

40-VW54 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1973-2017 vehicles from BMW, Audi, Volkswagen

• Volkswagen Aftermarket Antenna Adapter
• Compatible with select 1973-2017 vehicles from BMW, Audi, Volkswagen Vehicles
• Coax cable powered amplified antenna

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

1
Was $29.99 Details
$9.99

In stock

• Volkswagen Aftermarket Antenna Adapter
• Compatible with select 1973-2017 vehicles from BMW, Audi, Volkswagen Vehicles
• Coax cable powered amplified antenna

Scosche VW01B Wiring Harness

Install a new car stereo in select 1980-2017 vehicles from Volkswagen, Audi, Ram

VW01B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1980-2017 vehicles from Volkswagen, Audi, Ram

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

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
40
Was $8.95 Details
$7.99

In stock

Only 2 Left!

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

Scosche VWK1B Wiring Harness

Install a new car stereo in select 1980-2017 vehicles from Volkswagen, Audi, Ram

VWK1B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1980-2017 vehicles from Volkswagen, Audi, Ram

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

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
Was $10.99 Details
$7.95

In stock

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

Scosche SAAI652

select 1996-2006 vehicles from Audi Multi 6.5" Speaker Adapter - Rear

SAAI652 big
Go to item page Right Arrow Icon of Right Arrow

select 1996-2006 vehicles from Audi Multi 6.5" Speaker Adapter - Rear

• 6.5" Speaker Adapter - Rear
• Compatible with select 1996-2006 vehicles from Audi Vehicles

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This speaker adapter fits your 1998 A4
  • Front Door 5.25" Full-Range
  • Rear Deck Corner 5.25" Full-Range
  • Rear Deck Corner 6.5" Full-Range
Was $15.95 Details
$9.99

In stock

Only 2 Left!

• 6.5" Speaker Adapter - Rear
• Compatible with select 1996-2006 vehicles from Audi Vehicles

Metra 70-1787 Wiring Harness

Install a new car stereo and retain factory amplifier in select 1996-2006 vehicles from Audi, Porsche

70-1787 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo and retain factory amplifier in select 1996-2006 vehicles from Audi, Porsche

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

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
6
Was $29.99 Details
$13.99

In stock

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

Metra 72-9003

Speaker Harness for select 1996-2010 vehicles from Audi

72-9003 big
Go to item page Right Arrow Icon of Right Arrow

Speaker Harness for select 1996-2010 vehicles from Audi

• Universal Speaker Harness
• Compatible with select 1996-2010 vehicles from Audi Vehicles
• Plugs Directly into Vehicles Harness
• Durable Plastic and Metal Materials \

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
Was $19.99 Details
$6.99

In stock

• Universal Speaker Harness
• Compatible with select 1996-2010 vehicles from Audi Vehicles
• Plugs Directly into Vehicles Harness
• Durable Plastic and Metal Materials \

Metra 99-9100 Dash Kit

Install a new Single-DIN car stereo in select 1996-2006 vehicles from Audi (Black)

99-9100 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Single-DIN car stereo in select 1996-2006 vehicles from Audi (Black)

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

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2

empty

found car based on your search
This product fits your 1998 A4
2
Was $29.99 Details
$10.99

In stock

Only 1 Left!

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

99-9100 small

Item added to your cart.

Price: $10.99

Essential add-ons
Belva BTK105

5 Piece Installer's Removal Tool Kit

$18.99

$11.99

Add to cart

Items per page: 20 40 60

    clear all
    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?
    ADVERTISEMENT
    FAQ for your 1998 A4

    Q: Can I upgrade the factory stereo system in my 1998 Audi A4?

    A: Yes you can improve your sound in your A4 by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 1998 A4 if there is a dash kit and harness solution available.

    Save up to 10 different vehicles in your garage

    1998 Audi A4

    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