See all parts that fit your 2003 A4
Subaru Steering Wheel Control Add on Harness w/ RCA and Backup Camera Retention
Product highlights
• Retains factory Aux-in Jack and Back-up Camera
• [[aswc1, ASWC-1]] sold separately
Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Audi, Mercedes-Benz, Volkswagen
$7.99
List price $11.99
Install a new Single-DIN or Double-DIN car stereo in select 2002-2009 S4 and A4 and RS4 (Matte Black)
$27.99
List price $67.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)
$399.00
List price $600.00
Double DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
$169.00
List price $189.00
Check out the AX-SUB28SWC Owner's Manual
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(newest, current model)
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(previous model, replaced by Axxess Backup Camera Retention for Select 2015-up Subaru Vehicles (AX-SUB28SWC-6V))
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6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera
$329.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)
$599.99
List price $750.00
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System
$999.99
List price $1175.00
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Axxess AXDI-A12 Wiring Interface
• Wiring interface to install aftermarket stereo in select 2002-2013 vehicles from Audi
• Designed for non-amplified and amplified systems
• Provides accessory power and NAV outputs
• Retains R.A.P, balance and fade, and chimes
• Pre-wired AXSWC harness (AXSWC sold separately)
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• OEM amplifier retention harness for aftermarket stereos
• Compatible with select 1965-2017 vehicles from Volkswagen, Audi, Mercedes-Benz (European vehicles)
• Connects to the vehicle's factory harness
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• Fits select 2002-2015 vehicles from Audi
• Designed for use with iDataLink ADS-MRR or iDataLink ADS-MRR2 module (Sold separately)
• Retains select factory features
• Provides navigation and illumination outputs
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iDataLink Maestro HRN-SR-AU1 Wiring Harness
• Fits select 2002-2007 vehicles from Audi
• Designed for use with iDataLink ADS-MSR module (Sold separately)
• Retains factory amplifier and steering wheel controls
• Provides accessory power, navigation and illumination outputs
$34.99
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Crux SWRAD-55 Wiring Interface
• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Pre-programmed to retain factory Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required
$126.90
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Crux DKGM-49 Stereo Replacement Interface
• Stereo Replacement Interface with Dash Kit
• Fits select 2006-2020 vehicles from GMC, Chevrolet, Buick Vehicles
• Accommodates ISO Double DIN Mount
• Retain steering wheel controls and chime functions
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Manufacturer:
Model Number:
AX-SUB28SWC
Weight:
0.50lbs
Internal SKU:
axsub28swc
Internal Product ID:
108195
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Five Piece Installer's Panel Removal Tool Kit
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Universal Steering Wheel Control Interface for Parrot Asteroid Receivers
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Alpine PDX-M12 (Open Box Complete Like New)
1200W RMS, PDX Series Monoblock Power Density Class D Digital Car Amplifier(Open Box Complete Like New)
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Monster Cable THX-Certified RCA Audio Interconnect Cable (THX I100-8)
8 ft. (2.43 Meters) of Standard THX-Certified RCA Audio Interconnect Cable with 24k Gold Contacts
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NVX NE101S w/ JL Audio 10W1v3-4
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480W RMS Class D Machete Series 5-Channel Car Amplifier
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Belva BRT0516 20-Pack (10 Positive, 10 Negative)
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
