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2003 Mazda 6

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 2003 Mazda 6

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Metra JP-18FUSE-BRKT

Mini ANL Fuse Holder Bracket for select 2018-Up Jeep

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Mini ANL Fuse Holder Bracket for select 2018-Up Jeep

• Fuse holder bracket for select 2018-Up Jeep
• Can be used with alternate fuse holders
• Includes parts and mounting hardware

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List price $43.99
-11% $38.99

In stock

• Fuse holder bracket for select 2018-Up Jeep
• Can be used with alternate fuse holders
• Includes parts and mounting hardware

Metra SG10

Universal Mesh Grille for Most 10" Speakers and Subwoofers

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Universal Mesh Grille for Most 10" Speakers and Subwoofers

• Universal 10" Speaker and Subwoofer Grille
• Designed for high-excursion speakers and subwoofers
• Satin black powder-coated finish
• Mounting hardware included

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List price $42.99
-12% $37.99

Available

Ships in 10-14 days

• Universal 10" Speaker and Subwoofer Grille
• Designed for high-excursion speakers and subwoofers
• Satin black powder-coated finish
• Mounting hardware included

NVX - Worth the Envy - Direct to Consumer Car Audio

Metra 44-UA50 Antenna

Amplified Antenna for AM/FM Bands

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Amplified Antenna for AM/FM Bands

• European Amplified Antenna for AM/FM
• 8" 3-Section Black Retractable Mast

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List price $96.99
-66% $32.99

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Ships in 10-14 days

• European Amplified Antenna for AM/FM
• 8" 3-Section Black Retractable Mast

Metra 44-US13 Antenna

Side/Top Mount Replacement Antenna for AM/FM Bands

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Side/Top Mount Replacement Antenna for AM/FM Bands

• Side/Top Mount Antenna for 1" Hole Split Ball Applications
• 53" 3-Section Mast with Spring
• Color: Chrome

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List price $64.99
-42% $37.99

In stock

• Side/Top Mount Antenna for 1" Hole Split Ball Applications
• 53" 3-Section Mast with Spring
• Color: Chrome

Metra JP-18AMP-2

4-Gauge Complete Amplifier Installation Kit and Brackets for Select 2018-up Vehicles from Jeep

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4-Gauge Complete Amplifier Installation Kit and Brackets for Select 2018-up Vehicles from Jeep

• 4 gauge Complete Amplifier Installation Kit
• Designed for select 2018-up select Jeep vehicles with non-amplified systems
• RCA interconnect cables included for the audio signal connection from the receiver to the amplifier
• Black powder-coated amplifier racks included

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List price $609.00
-15% $517.99

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Ships in 10-14 days

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Available Offers (2) for Metra JP-18AMP-2
15% off an NVX XCAP10H w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP10H Capacitor! No code needed — discount applies automatically at checkout.
15% off an NVX XCAP1F w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP1F Capacitor! No code needed — discount applies automatically at checkout.

Metra 44-UT03R Antenna

Universal Rubber Replacement Antenna for AM/FM Bands

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Universal Rubber Replacement Antenna for AM/FM Bands

• Universal Rubber Replacement Antenna for AM/FM Bands
• 14" Removable Black Conductive Rubber Mast

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List price $53.99
-59% $21.99

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Only 2 Left!

• Universal Rubber Replacement Antenna for AM/FM Bands
• 14" Removable Black Conductive Rubber Mast

Metra 44-US19 Antenna

Side/Top Mount Replacement Antenna for AM/FM Bands

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Side/Top Mount Replacement Antenna for AM/FM Bands

• Side/Top Mount Antenna for 1" Hole Split Ball Applications
• 53" 3-Section Mast with Spring

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List price $66.99
-55% $29.99

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• Side/Top Mount Antenna for 1" Hole Split Ball Applications
• 53" 3-Section Mast with Spring

Metra 44-UA40 Antenna

Amplified Rubber Roof Mount Antenna

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Amplified Rubber Roof Mount Antenna

• European amplified roof antenna for AM/FM bands
• 15" Fiberglass Mast
• 6" Coaxial Cable

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List price $76.48
-53% $35.99

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Only 3 Left!

• European amplified roof antenna for AM/FM bands
• 15" Fiberglass Mast
• 6" Coaxial Cable

Metra 82-4401

Universal 1/2" Speaker Adapter 6" to 6-3/4"

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Universal 1/2" Speaker Adapter 6" to 6-3/4"

• Universal 1/2" Speaker Adapter
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

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List price $34.99
-49% $17.99

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• Universal 1/2" Speaker Adapter
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

Metra MPS-ULCAN6-5

Empty Single 6.5" Universal Roll-Cage and Golf Cart Speaker Pods

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Empty Single 6.5" Universal Roll-Cage and Golf Cart Speaker Pods

• Universal empty 6.5" roll-bar and golf-cart speaker pods
• 2.5" black powder coated aluminum clamp with 360 degree rotation
• Locking set screw between the clamp and mount
• Water-tight speaker wire grommet
• Constructed of 1/4" durable and UV protected HDPE

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List price $455.99
-10% $409.99

In stock.

• Universal empty 6.5" roll-bar and golf-cart speaker pods
• 2.5" black powder coated aluminum clamp with 360 degree rotation
• Locking set screw between the clamp and mount
• Water-tight speaker wire grommet
• Constructed of 1/4" durable and UV protected HDPE

Metra OH-DIN01

Empty Dual 6.5" Speakers and Single DIN Stereo Overhead Console Enclosure

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Empty Dual 6.5" Speakers and Single DIN Stereo Overhead Console Enclosure

• Empty Dual 6.5" Speakers and Single DIN Radio Overhead Console Enclosure
• Durable ABS plastic construction and matte black finish
• Accommodates one radio device and two speakers
• Water-resistant design

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List price $128.99
-10% $115.99

In stock

• Empty Dual 6.5" Speakers and Single DIN Radio Overhead Console Enclosure
• Durable ABS plastic construction and matte black finish
• Accommodates one radio device and two speakers
• Water-resistant design

iBeam TE-MMS

Universal Dual Screw-Mounted Monitor Mount

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Universal Dual Screw-Mounted Monitor Mount

• Universal dual-screw monitor mount
• 4" slightly curved neck from mounting surface
• Mounts to any flat surface

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$52.99

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Ships in 10-14 days

• Universal dual-screw monitor mount
• 4" slightly curved neck from mounting surface
• Mounts to any flat surface

Metra IBMGLI

2-Channel RCA Mini Ground Loop Isolator

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2-Channel RCA Mini Ground Loop Isolator

• 2-Channel mini ground loop isolator
• Easily eliminates unwanted ground loop noise
• No need for additional adapters
• Universal vehicle application

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List price $26.99
-11% $23.99

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• 2-Channel mini ground loop isolator
• Easily eliminates unwanted ground loop noise
• No need for additional adapters
• Universal vehicle application

Metra 44-EC24 Antenna Extension

24" Universal Antenna Extension Cable

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24" Universal Antenna Extension Cable

• Universal Antenna Extender • Extends Antenna 24" (2 ft.)

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List price $11.99
-33% $7.99

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• Universal Antenna Extender • Extends Antenna 24" (2 ft.)

Metra 44-RMSR

7" Rubber OEM Replacement Antenna Mast with Adaptors

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7" Rubber OEM Replacement Antenna Mast with Adaptors

• 7" Universal replacement antenna mast
• Includes 12 adapters for universal fitment on domestic and import vehicles
• Durable, weather-resistant construction with OEM matte black finish
• Quick and easy screw-on installation for roof or fender mounts

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List price $47.99
-10% $42.99

In stock

Only 1 Left!

• 7" Universal replacement antenna mast
• Includes 12 adapters for universal fitment on domestic and import vehicles
• Durable, weather-resistant construction with OEM matte black finish
• Quick and easy screw-on installation for roof or fender mounts

Metra 89-30-0500

Universal DIN 1/2" Border Trim

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Universal DIN 1/2" Border Trim

• Universal DIN 1/2" Border Trim
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

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List price $7.99
-6% $7.49

In stock

• Universal DIN 1/2" Border Trim
• Painted to match factory dash color
• High-Grade ABS plastic construction
• Factory style texture

Metra VSWR418-250

250 Ft. 18-Gauge Rear Channel Speaker Cable

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250 Ft. 18-Gauge Rear Channel Speaker Cable

• 18 gauge rear channel speaker cable
• 250 feet flexible cable
• Made from OFC (100% Oxygen-Free Copper)
• GN, GN/BK, VT, VT/BK
• Universal application

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Universal Icon Universal – fits most vehicles.

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List price $283.00
-15% $239.99

In stock

Only 2 Left!

• 18 gauge rear channel speaker cable
• 250 feet flexible cable
• Made from OFC (100% Oxygen-Free Copper)
• GN, GN/BK, VT, VT/BK
• Universal application

Metra VSWF418-250

250 Ft. 18-Gauge Front Channel Speaker Cable

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250 Ft. 18-Gauge Front Channel Speaker Cable

• 18 gauge front channel speaker cable
• 250 feet flexible cable
• Made from OFC (100% Oxygen-Free Copper)
• WH, WH/BK, GY, GY/BK
• Universal application

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List price $283.00
-15% $239.99

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• 18 gauge front channel speaker cable
• 250 feet flexible cable
• Made from OFC (100% Oxygen-Free Copper)
• WH, WH/BK, GY, GY/BK
• Universal application

Metra 44-UL105 Antenna

1-3/4" Top Mount Universal Locking Antenna For Select BMW, Mercedes, Jaguar, Peugeot, and Porsche

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1-3/4" Top Mount Universal Locking Antenna For Select BMW, Mercedes, Jaguar, Peugeot, and Porsche

• Replacement Locking Antenna for Select Vehicles
• 37" 5-Section Black Retractable Mast
• 48" Cable

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List price $66.99
-72% $18.99

In stock

• Replacement Locking Antenna for Select Vehicles
• 37" 5-Section Black Retractable Mast
• 48" Cable

Metra 44-UA25 Antenna

On-Glass Micro Screen AM/FM Antenna

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On-Glass Micro Screen AM/FM Antenna

• On-Glass Hide-Away Micro Screen AM/FM Antenna
• 54" Cable

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List price $73.99
-42% $42.99

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• On-Glass Hide-Away Micro Screen AM/FM Antenna
• 54" Cable

NVX - Worth the Envy - Direct to Consumer Car Audio

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    FAQ for Universal-Fit Audio & Electronics in 2003 6

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2003 Mazda 6?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your 6.

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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
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.