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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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Install Bay 3MHS1

3M Heat Shrink 1" Diameter Tubing 10 Pack

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3M Heat Shrink 1" Diameter Tubing 10 Pack

• 1"-6"
• 3M Heat Shrink tubing < /br>

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List price $20.99
-19% $16.99

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Ships in 10-14 days

• 1"-6"
• 3M Heat Shrink tubing < /br>

Install Bay 3MHST18

3M Heat Shrink 1/8" Diameter Tubing Black

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3M Heat Shrink 1/8" Diameter Tubing Black

• 1/8 inch heat shrink tubing
• Made with polyoefin (black)
• Length: 4 feet

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List price $5.99
-17% $4.99

In stock

• 1/8 inch heat shrink tubing
• Made with polyoefin (black)
• Length: 4 feet

Install Bay 3MHST38

3M Heat Shrink 3/8" Diameter Tubing Black

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3M Heat Shrink 3/8" Diameter Tubing Black

• 3/8 inch heat shrink tubing
• Made with polyoefin (black)
• Length: 4 feet

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List price $9.99
-10% $8.99

In stock

• 3/8 inch heat shrink tubing
• Made with polyoefin (black)
• Length: 4 feet

Install Bay 3MHST316

3M Heat Shrink 3/16" Diameter Tubing Black

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3M Heat Shrink 3/16" Diameter Tubing Black

• 3/16 inch heat shrink tubing
• Made with polyoefin (black)
• Length: 4 feet

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List price $6.99
-14% $5.99

Available

Ships in 10-14 days

• 3/16 inch heat shrink tubing
• Made with polyoefin (black)
• Length: 4 feet

Install Bay IB5202

LED Replacement Headlight Bulbs - H5202 Single Beam

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LED Replacement Headlight Bulbs - H5202 Single Beam

• Replacement LED headlight bulbs
• 3.1 inch (78.2mm) total length
• Heat sink 1.26 inch (32mm) diameter
• Good for tight applications
• Compact design doesn’t compromise performance
• H5202 LED Single Beam
• As cool or even cooler than the traditional LED bulbs

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List price $119.99
-67% $39.99

In stock

Only 1 Left!

• Replacement LED headlight bulbs
• 3.1 inch (78.2mm) total length
• Heat sink 1.26 inch (32mm) diameter
• Good for tight applications
• Compact design doesn’t compromise performance
• H5202 LED Single Beam
• As cool or even cooler than the traditional LED bulbs

Install Bay F6N075BK

3/4" Self-Wrapping Split Braid Sleeving, Black - 50FT

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3/4" Self-Wrapping Split Braid Sleeving, Black - 50FT

• 3/4" split-braid sleeving
• Protects wires, cables, hoses and more
• Protects against salt water, solvents, automotive chemicals and more
• More flexible than plastic
• Resists cuts and other abrasions

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List price $133.99
-10% $119.99

In stock

Only 2 Left!

• 3/4" split-braid sleeving
• Protects wires, cables, hoses and more
• Protects against salt water, solvents, automotive chemicals and more
• More flexible than plastic
• Resists cuts and other abrasions

Install Bay Ford Interior Trim Retainer Clips (2048PK)

Ford Interior Trim Retainer Clips 9/32" - 25 pack

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Ford Interior Trim Retainer Clips 9/32" - 25 pack

• Interior Trim Retainer Clips
• Size: 9/32"
• For Ford Vehicles
• Pack of 25

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List price $18.99
-11% $16.99

Available

Ships in 10-14 days

• Interior Trim Retainer Clips
• Size: 9/32"
• For Ford Vehicles
• Pack of 25

Install Bay IBVSTABL

12V 2A DC-DC Voltage Converter Stabilizer

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12V 2A DC-DC Voltage Converter Stabilizer

• Voltage converter stabilizer
• Input voltage: DC 8 volts - 40 volts
• Output voltage: DC 12 volts
• Maximum output current: 2 amps

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List price $56.99
-11% $50.99

In stock

• Voltage converter stabilizer
• Input voltage: DC 8 volts - 40 volts
• Output voltage: DC 12 volts
• Maximum output current: 2 amps

Install Bay MIBRBSR16

Universal 16mm Black Momentary Red LED Switch with Harness

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Universal 16mm Black Momentary Red LED Switch with Harness

• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 16mm (5/8") mounting hole size
• Red LED illuminated ring

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1
List price $23.99
-13% $20.99

In stock

Only 3 Left!

• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 16mm (5/8") mounting hole size
• Red LED illuminated ring

The Install Bay IB500

500 Amp Battery Isolator and Relay

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500 Amp Battery Isolator and Relay

• Battery Isolator and Relay
• 500 Amp
• Prevents Primary Battery Discharge
• Maximizes the Current Transfer
• Extends Battery Life
• Universal 12V Applications

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List price $148.99
-10% $133.99

In stock

Only 3 Left!

• Battery Isolator and Relay
• 500 Amp
• Prevents Primary Battery Discharge
• Maximizes the Current Transfer
• Extends Battery Life
• Universal 12V Applications

The Install Bay SLT14

100 ft of 1/4" Split Loom Tubing

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100 ft of 1/4" Split Loom Tubing

• Split Loom Tubing
• Flexible
• Easy to Install
• 1/4" Diameter
• 100 Ft. Long
• Black

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6
List price $34.99
-11% $30.99

In stock

• Split Loom Tubing
• Flexible
• Easy to Install
• 1/4" Diameter
• 100 Ft. Long
• Black

Install Bay MIBRBSY19

Universal 19mm Black Momentary Yellow LED Switch with Harness

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Universal 19mm Black Momentary Yellow LED Switch with Harness

• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 19mm (3/4") mounting hole size
• Yellow LED illuminated ring

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List price $13.48
-33% $8.99

In stock

Only 2 Left!

• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 19mm (3/4") mounting hole size
• Yellow LED illuminated ring

Install Bay PSP2

Complete ABS Port Tube Kit - 2" x 11" Port

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Complete ABS Port Tube Kit - 2" x 11" Port

• Complete Port Tube Kit
• 2" x 11" Port
• Achieve Greater Sound Pressure Levels with Less Distortion
• High Quality ABS Construction
• Mounting Hole Variations
• Designed in the U.S.A.

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2
List price $24.99
-12% $21.99

In stock

Only 2 Left!

• Complete Port Tube Kit
• 2" x 11" Port
• Achieve Greater Sound Pressure Levels with Less Distortion
• High Quality ABS Construction
• Mounting Hole Variations
• Designed in the U.S.A.

Install Bay IBH16

LED Replacement Headlight Bulbs (Pair) - H16 LED SINGLE BEAM PAIR

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LED Replacement Headlight Bulbs (Pair) - H16 LED SINGLE BEAM PAIR

• Replacement LED headlight bulbs
• 3.1 inch (78.2mm) total length
• Heat sink 1.26 inch (32mm) diameter
• Good for tight applications
• Compact design doesn’t compromise performance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
List price $56.99
-30% $39.99

In stock

Only 1 Left!

• Replacement LED headlight bulbs
• 3.1 inch (78.2mm) total length
• Heat sink 1.26 inch (32mm) diameter
• Good for tight applications
• Compact design doesn’t compromise performance

Install Bay IBFG8

8 Gauge (3/4" Mounting Hole) Waterproof Firewall Grommet

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8 Gauge (3/4" Mounting Hole) Waterproof Firewall Grommet

• 8 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

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1
List price $2.99
-33% $1.99

In stock

Only 3 Left!

• 8 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

The Install Bay BCC34

3/4" Black Cable Clamps (100 Pieces)

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3/4" Black Cable Clamps (100 Pieces)

•3/4" Black Cable Clamps from The Install Bay
• Easy-to-Use
• Great For Cable Management
• Professional Look and Design

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List price $15.99
-13% $13.99

In stock

Only 2 Left!

•3/4" Black Cable Clamps from The Install Bay
• Easy-to-Use
• Great For Cable Management
• Professional Look and Design

Install Bay 2" Square Terminal Cup (TCSB2)

Square Binding Post with Nickel Terminals for Subwoofer and Speaker Boxes

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Square Binding Post with Nickel Terminals for Subwoofer and Speaker Boxes

• Universal square terminal cup for speaker and subwoofer boxes
• Nickel-plated contacts improve signal transfer
• Installation is a breeze
• Rear connections secure with nuts
• Thumbscrew binding posts secure the connection

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3
List price $7.99
-13% $6.99

In stock

Only 1 Left!

• Universal square terminal cup for speaker and subwoofer boxes
• Nickel-plated contacts improve signal transfer
• Installation is a breeze
• Rear connections secure with nuts
• Thumbscrew binding posts secure the connection

Install Bay 3MRVBC

3M Red 22/18 Gauge Vinyl Butt Connectors

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3M Red 22/18 Gauge Vinyl Butt Connectors

• Butt Connectors
• 22/18 Gauge
• Color: Red
• Vinyl Insulated
• Makes Crimping Wires Fast and Easy
• Offers a Solid Connection of Wires

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2
List price $18.99
-11% $16.99

In stock

Only 3 Left!

• Butt Connectors
• 22/18 Gauge
• Color: Red
• Vinyl Insulated
• Makes Crimping Wires Fast and Easy
• Offers a Solid Connection of Wires

Install Bay 3MRTT

3M Red 22/18 Gauge T-Taps

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3M Red 22/18 Gauge T-Taps

• Bulk Pack of T-Tap Connector
• Allows for fast and easy splicing of wires
• Quickly tap into wires and cables
• Designed for tapping into 22/18 Gauge (AWG) wire
• Color: Red

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Universal Icon Universal – fits most vehicles.

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2
List price $24.99
-12% $21.99

In stock

Only 2 Left!

• Bulk Pack of T-Tap Connector
• Allows for fast and easy splicing of wires
• Quickly tap into wires and cables
• Designed for tapping into 22/18 Gauge (AWG) wire
• Color: Red

Install Bay D1

1 AMP Diodes (20 Pieces)

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1 AMP Diodes (20 Pieces)

• Install Bay Diode
• 1 AMP
• Package of 20 Diodes

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2
List price $3.99
-25% $2.99

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Ships in 10-14 days

• Install Bay Diode
• 1 AMP
• Package of 20 Diodes

Items per page: 20 40 60

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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:

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