Our research team makes it easy to shop for you 1998 Audi A4 as we have many parts that fit your vehicle. As an added bonus, most stereos include a free or discounted dash kit, wiring harness and antenna adapter!
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
• 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
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
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
• 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
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
• 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
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
• 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
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
• 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
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 \
• Universal Speaker Harness • Compatible with select 1996-2010 vehicles from Audi Vehicles • Plugs Directly into Vehicles Harness • Durable Plastic and Metal Materials \
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
• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions
We love people and we're ready to help you!
See what separates us from our competition.
Free perks, no PrimeTM fees
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.
Free install gear for stereos
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.
Authentic & Authorized
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.
View best sellers, deals, and 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!
Learn about All Car Audio
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!
Call or email our experts
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.
YOUR GARAGESave up to 10 different vehicles in your garage