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2003 Mitsubishi Eclipse

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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.

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Universal-Fit Audio for 2003 Mitsubishi Eclipse

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.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

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Install Bay 3MYTT

3M Yellow 12/10 Gauge T-Taps (50 Pieces)

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Install Bay 3MYTT

3M Yellow 12/10 Gauge T-Taps (50 Pieces)

• Bulk Pack of T-Tap Connector
• For 12/10 Gauge (AWG) Wire
• Yellow
• Package of 50

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List price $37.99
-11% $33.99

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• Bulk Pack of T-Tap Connector
• For 12/10 Gauge (AWG) Wire
• Yellow
• Package of 50

Install Bay 3MHST316

3M Heat Shrink 3/16" Diameter Tubing Black

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Install Bay 3MHST316

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

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Install Bay MIBRBSB19

Universal 19mm Black Momentary Blue LED Switch with Harness

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Install Bay MIBRBSB19

Universal 19mm Black Momentary Blue LED Switch with Harness

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

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List price $24.99
-12% $21.99

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

Install Bay 3MRVBC

3M Red 22/18 Gauge Vinyl Butt Connectors

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Install Bay 3MRVBC

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

Install Bay IBSIRENM

Universal Mini Piezo Siren for Car Alarm Systems (Sold Individually)

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Install Bay IBSIRENM

Universal Mini Piezo Siren for Car Alarm Systems (Sold Individually)

• Universal mini piezoelectric siren
• Loud warning sound
• Compact and discreet sizing
• Easy 2-wire connection
• Impact-resistant housing
• Universal compatibility
• Sold individually

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• Universal mini piezoelectric siren
• Loud warning sound
• Compact and discreet sizing
• Easy 2-wire connection
• Impact-resistant housing
• Universal compatibility
• Sold individually

Install Bay IBP13

HP13 LED SINGLE BEAM PAIR

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Install Bay IBP13

HP13 LED SINGLE BEAM PAIR

• Replacement LED headlight bulbs
• Good for tight applications
• Compact design doesn’t compromise performance
• Output of 6,000 lumens of cool white (6500K) illumination
• HP13 LED Single Beam
• Sold as a Pair

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List price $119.99
-63% $44.99

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• Replacement LED headlight bulbs
• Good for tight applications
• Compact design doesn’t compromise performance
• Output of 6,000 lumens of cool white (6500K) illumination
• HP13 LED Single Beam
• Sold as a Pair

Install Bay 646

Posi-Lock 20-26 AWG Locking Mini Butt Connectors (8-Pack)

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Install Bay 646

Posi-Lock 20-26 AWG Locking Mini Butt Connectors (8-Pack)

• Posi-Lock Mini Butt Connectors
• Locking Twists Prevent Disconnection
• 20-26 AWG
• Package of 8

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$14.99

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• Posi-Lock Mini Butt Connectors
• Locking Twists Prevent Disconnection
• 20-26 AWG
• Package of 8

The Install Bay BB99

Bass Blocker / Non-Polar 10% Capacitor, Removes 400Hz @ 4 ohms or 200Hz @ 8 ohms

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The Install Bay BB99

Bass Blocker / Non-Polar 10% Capacitor, Removes 400Hz @ 4 ohms or 200Hz @ 8 ohms

• Metra Bass Blocker
• Non-Polar 10% Capacitor
• 4 Ohm: 400Hz
• 8 Ohm: 200Hz
• 100 Volts
• 99 uf
• White Heat Shrinked Capacitor
• Yellow Color Coded Silver Wire

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• Metra Bass Blocker
• Non-Polar 10% Capacitor
• 4 Ohm: 400Hz
• 8 Ohm: 200Hz
• 100 Volts
• 99 uf
• White Heat Shrinked Capacitor
• Yellow Color Coded Silver Wire

Install Bay IBR95

12V Digital Voltage Meter

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Install Bay IBR95

12V Digital Voltage Meter

• 12V Voltage Meter
• Digital Display
• Mounts in Dash

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List price $64.99
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• 12V Voltage Meter
• Digital Display
• Mounts in Dash

Install Bay IBR57

Dual USB Knockout Panel with Water Resistant Cover - can be surface or flush mounted

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Install Bay IBR57

Dual USB Knockout Panel with Water Resistant Cover - can be surface or flush mounted

• Dual USB water resistant knockout panel
• Mounts in dash
• Includes protective cover
• Uses a 1-1/8 inch mounting hole

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• Dual USB water resistant knockout panel
• Mounts in dash
• Includes protective cover
• Uses a 1-1/8 inch mounting hole

Install Bay MC918-20 9-wire

20 ft. (6.1 meters) of Nine Conductor 18 AWG Twisted Multi-Use Cable

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Install Bay MC918-20 9-wire

20 ft. (6.1 meters) of Nine Conductor 18 AWG Twisted Multi-Use Cable

• 20ft. 9-Conductor 18 Gauge Twisted Multi-Use Wire
• Ideal for OEM Integration connections or 4-Channel speaker wiring
• Colored coded design eliminates confusion during installation

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-38% $29.99

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• 20ft. 9-Conductor 18 Gauge Twisted Multi-Use Wire
• Ideal for OEM Integration connections or 4-Channel speaker wiring
• Colored coded design eliminates confusion during installation

Install Bay IBSSR

Panel Mount LED Switch

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Install Bay IBSSR

Panel Mount LED Switch

• For Ultra-luxury high-end vehicles
• 12-24V universal usage
• Environmentally friendly and flame retardant materials
• Suitable for refit control of all equipment in the car
• Output short-circuit protection, overload protection
• Suitable for installation and use of all 12/24v battery vehicles

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List price $16.99
-12% $14.99

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• For Ultra-luxury high-end vehicles
• 12-24V universal usage
• Environmentally friendly and flame retardant materials
• Suitable for refit control of all equipment in the car
• Output short-circuit protection, overload protection
• Suitable for installation and use of all 12/24v battery vehicles

Install Bay 4 Gauge Amplifier Power Wiring Kit (AK4)

Amplifier Installation Power Kit with RCA Interconnect Cables and Fuse Holder with Fuse

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Install Bay 4 Gauge Amplifier Power Wiring Kit (AK4)

Amplifier Installation Power Kit with RCA Interconnect Cables and Fuse Holder with Fuse

• 4 Gauge Amplifier Installation Kit with RCA Interconnect Cables
• Perfect for 1600 Watts Amplifier Setup
• 17ft. Blue Power Cable
• 3ft. Black Ground Cable
• 17ft. Blue RCA Cable

2+ offers available
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Available Offers (2) for Install Bay 4 Gauge Amplifier Power Wiring Kit (AK4)
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.
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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.
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Install Bay IBHPLUG1

1" Hole Plug Flush Black 1 7/16" Head Diameter - Pack of 100

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Install Bay IBHPLUG1

1" Hole Plug Flush Black 1 7/16" Head Diameter - Pack of 100

• 1" Hole Plug
• Mounts flush
• Color: Black
• 100 per package

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• 1" Hole Plug
• Mounts flush
• Color: Black
• 100 per package

The Install Bay SR12

MDF 3/4" Spacer Rings for 12" Speakers (Single)

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The Install Bay SR12

MDF 3/4" Spacer Rings for 12" Speakers (Single)

• 12" Speaker Ring • Made from 3/4" MDF
• Perfect for Custom Fiberglass Enclosures

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• 12" Speaker Ring • Made from 3/4" MDF
• Perfect for Custom Fiberglass Enclosures

Install Bay IBR92

USB Voltage Monitor LED Round - Water Resistant

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Install Bay IBR92

USB Voltage Monitor LED Round - Water Resistant

• In-Dash Knockout Panel
• Adds USB Ports
• Installs in Dash

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List price $43.99
-11% $38.99

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• In-Dash Knockout Panel
• Adds USB Ports
• Installs in Dash

Install Bay IBWTH12

Waterproof Connectors 12 Gauge - Each

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Install Bay IBWTH12

Waterproof Connectors 12 Gauge - Each

• Waterproof Connectors
• 2C Plug in Connector
• Male/Female
• 12 Gauge

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• Waterproof Connectors
• 2C Plug in Connector
• Male/Female
• 12 Gauge

The Install Bay SR8

MDF 3/4" Spacer Rings for 8" Speakers (Pair)

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The Install Bay SR8

MDF 3/4" Spacer Rings for 8" Speakers (Pair)

• 8" Speaker Ring
• Made from 3/4" MDF
• Perfect for Custom Fiberglass Enclosures

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• 8" Speaker Ring
• Made from 3/4" MDF
• Perfect for Custom Fiberglass Enclosures

Install Bay 604

Posi-Lock 20-22 AWG Locking T-Tap-Style Connectors (6-Pack)

604 big
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Install Bay 604

Posi-Lock 20-22 AWG Locking T-Tap-Style Connectors (6-Pack)

• Posi-Lock T-Tap Style Connectors
• Locking Twists Prevent Disconnection
• 20-22 AWG
• Package of 6

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List price $14.98
-33% $9.99

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• Posi-Lock T-Tap Style Connectors
• Locking Twists Prevent Disconnection
• 20-22 AWG
• Package of 6

Install Bay 3MHST34

3M Heat Shrink 3/4" Diameter Tubing Black

3MHST34 big
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Install Bay 3MHST34

3M Heat Shrink 3/4" Diameter Tubing Black

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.

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List price $14.99
-13% $12.99

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

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    FAQ for Universal-Fit Audio & Electronics in 2003 Eclipse

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

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

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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