Garage
Shop

Loading...
iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

114

$279.95

List price $349.95

Limited time!
iLX-W670 main

Alpine iLX-W670

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

53

$279.95

List price $450.00

BMV62W main

Belva BMV62W

6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring

22

$89.99

List price $269.99

P1683 main

Rockford Fosgate Punch P1683

260W Peak (130W RMS) 6x8" Punch Series 3-way 4-ohm Coaxial Car Speakers

82

$109.99

List price $109.99

Limited time!
CSC68 main

Kicker CSC68 (46CSC684)

450W Peak (150W RMS) 6x8” CS Series 2-way 4-ohm Coaxial Car Speakers (CSC684)

10

$76.96

List price $99.99

VRN-7HB main

Soundstream VRN-7HB

7” Double-DIN Touchscreen CD/DVD Receiver with Bluetooth and GPS

8

$199.99

List price $189.99

560BRGB main

Boss ELITE 560BRGB

Single DIN CD Receiver with Bluetooth, USB and Aux

3

$89.99

List price $109.99

DPX305MBT main

Kenwood DPX305MBT

Double-DIN Digital Media Receiver with Bluetooth and Built-in Alexa (SiriusXM Ready)

9

$159.99

List price $200.00

TS-G6820S main

Pioneer TS-G6820S

500W Peak (80W RMS) 6x8" G-Series 2-way 4-ohm Coaxial Car Speakers

2

$59.99

List price $65.00

PL-622HB main

Power Acoustik PL-622HB

Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth

7

$86.99

List price $109.99

Shop all 2003 Mercury Grand Marquis Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

Metra 95-5817 Dash Kit

Install a new Double-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury

95-5817 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Double-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury

• Double DIN Install Dash Kit
• Compatible with select 1995-2011 vehicles from Ford, Mazda, Mercury Vehicles
• Accommodates ISO Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
43
Was $22.99 Details
$19.99

In stock

• Double DIN Install Dash Kit
• Compatible with select 1995-2011 vehicles from Ford, Mazda, Mercury Vehicles
• Accommodates ISO Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

Metra 72-5600

Install New Speakers in select 1998-2019 vehicles from Ford, Mazda, Lincoln

72-5600 big
Go to item page Right Arrow Icon of Right Arrow

Install New Speakers in select 1998-2019 vehicles from Ford, Mazda, Lincoln

• Compatible with select 1998-2019 vehicles from Ford, Mazda, Lincoln Vehicles
• Connects aftermarket speakers to the factory speaker harness
• Quick and easy installation
• No cutting needed

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
99
Was $14.99 Details
$12.99

In stock

• Compatible with select 1998-2019 vehicles from Ford, Mazda, Lincoln Vehicles
• Connects aftermarket speakers to the factory speaker harness
• Quick and easy installation
• No cutting needed

Metra 70-5520 Wiring Harness

Install a new car stereo in select 2003-2016 vehicles from Ford, Mercury, Lincoln

70-5520 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 2003-2016 vehicles from Ford, Mercury, Lincoln

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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

empty

additional information required
Add more info to confirm vehicle fitment
51
Was $6.99 Details
$5.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Scosche FD23B Wiring Harness

Install a new car stereo in select 2003-2016 vehicles from Ford, Mercury, Lincoln

FD23B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 2003-2016 vehicles from Ford, Mercury, Lincoln

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
133
$7.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Race Sport Accessories 9007TLED

9007 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pin Point Projection Optical Aims

9007TLED big
Go to item page Right Arrow Icon of Right Arrow

9007 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pin Point Projection Optical Aims

• 9007 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

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

VIP Product Get $7.90 in rewards to spend later

empty

found car based on your search
This product fits your 2003 Grand Marquis
Was $99.00 Details
$79.00

In stock

Only 2 Left!

• 9007 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

Axxess AXLOC-FD1

2-Channel Line Output Converter with Plug and Play T-harness for adding an aftermarket amplifier in Ford 2003-2019

AXLOC-FD1 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Line Output Converter with Plug and Play T-harness for adding an aftermarket amplifier in Ford 2003-2019

• Plug and Play Design (No cutting or splicing)
• Provides 12-volt 500-mA remote wire
• Includes gain level controller to adjust the overall output
• Designed to provide 2-channels of low-level audio

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
1
Was $104.99 Details
$93.99

In stock

• Plug and Play Design (No cutting or splicing)
• Provides 12-volt 500-mA remote wire
• Includes gain level controller to adjust the overall output
• Designed to provide 2-channels of low-level audio

Scosche FDK11B Wiring Harness

Install a new car stereo in select 1989-2012 vehicles from Ford, Mercury, Lincoln

FDK11B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1989-2012 vehicles from Ford, Mercury, Lincoln

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
41
Was $14.95 Details
$11.95

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 70-5521 Wiring Harness

Install a new car stereo and retain factory amplifier in select 2003-2012 vehicles from Ford, Mercury, Lincoln

70-5521 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo and retain factory amplifier in select 2003-2012 vehicles from Ford, Mercury, Lincoln

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
16
Was $25.99 Details
$22.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Scosche FD1423B / FD1423 Dash Kit

Install a new Single-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury (Black)

FD1423B big
Go to item page Right Arrow Icon of Right Arrow

Install a new Single-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury (Black)

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
23
Was $15.95 Details
$12.95

In stock

Only 2 Left!

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Scosche SHFD03B

Speaker Harness for select 1998-2019 vehicles from Ford, Mazda, Lincoln

SHFD03B big
Go to item page Right Arrow Icon of Right Arrow

Speaker Harness for select 1998-2019 vehicles from Ford, Mazda, Lincoln

• Compatible with select 1998-2019 vehicles from Ford, Mazda, Lincoln Vehicles
• Plugs Directly Into Vehicles Harness

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
7
Was $11.03 Details
$8.99

In stock

• Compatible with select 1998-2019 vehicles from Ford, Mazda, Lincoln Vehicles
• Plugs Directly Into Vehicles Harness

Metra 99-5802 Dash Kit

Install a new Single-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury

99-5802 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Single-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury

• Single-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
3
Was $25.99 Details
$22.99

In stock

• Single-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Crux SWRFD-60L Wiring Interface

Install new car stereo and retains steering wheel audio controls and other factory features in select 2003-2012 vehicles from Ford, Lincoln, Mercury

SWRFD-60L big
Go to item page Right Arrow Icon of Right Arrow

Install new car stereo and retains steering wheel audio controls and other factory features in select 2003-2012 vehicles from Ford, Lincoln, Mercury

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Pre-programmed to retain Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
8
Was $109.95 Details
$71.99

In stock

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Micro-B USB Updatable
• Pre-programmed to retain Steering Wheel Controls
• Color coded wires for easy installation
• No cutting or splicing required

Metra 44-PW20 Antenna

Replacement Power Antenna for Select Ford Vehicles

44-PW20 big
Go to item page Right Arrow Icon of Right Arrow

Replacement Power Antenna for Select Ford Vehicles

• Replacement Power Antenna for Select Ford, Lincoln, and Mercury Vehicles
• Replaceable Mast
• Fully Automatic

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
Was $187.99 Details
$168.99

In stock

• Replacement Power Antenna for Select Ford, Lincoln, and Mercury Vehicles
• Replaceable Mast
• Fully Automatic

Metra 99-5027 Dash Kit

Install a new Single-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury (Black)

99-5027 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Single-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury (Black)

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
1
Was $26.99 Details
$23.99

In stock

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Metra 70-5516 Wiring Harness

Install a new car stereo and retain factory amplifier in select 1998-2005 vehicles from Ford, Mercury, Lincoln

70-5516 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo and retain factory amplifier in select 1998-2005 vehicles from Ford, Mercury, Lincoln

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
2
Was $41.99 Details
$36.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 99-5600 Dash Kit

Install a new Single-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury

99-5600 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Single-DIN car stereo in select 1995-2011 vehicles from Ford, Mazda, Mercury

• Single-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
3
Was $31.99 Details
$27.99

In stock

Only 2 Left!

• Single-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

(2) 72-5600,(2) NSP68,BTK106 big
Go to item page Right Arrow Icon of Right Arrow

Easy Upgrade Package!

• Panel Removal Kit Included
• Fits Ford F-150 Heritage 2004-2004
• 80 Watts Each

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
227
Was $240.95 Details
$179.99

In stock

• Panel Removal Kit Included
• Fits Ford F-150 Heritage 2004-2004
• 80 Watts Each

Lowest price in 30 days

Kicker 6x8" Front+Rear Speaker Replacement Kit For 05-07 Ford F-250/350/450/550

450W Peak (150W RMS) 6" x 8 " / 5" x 7" CS Series 2-Way Coaxial Speakers Package

43CSC684_MET-72560_1 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (150W RMS) 6" x 8 " / 5" x 7" CS Series 2-Way Coaxial Speakers Package

• 225 Watts Max Each, 75 Watts RMS Each
• 1/2" Polyether imide (PEI) balanced dome tweeter
• Polypropylene mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 2-3/16"

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
109
Was $229.96 Details
$153.92

In stock

• 225 Watts Max Each, 75 Watts RMS Each
• 1/2" Polyether imide (PEI) balanced dome tweeter
• Polypropylene mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 2-3/16"

Kicker 6x8" Front Speaker Replacement Kit For 1999-2016 Ford F-250/350/450/550

450W Peak (150W RMS) 6" x 8 " / 5" x 7" CS Series 2-Way Coaxial Speakers Package

43CSC684_MET-725600_1 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (150W RMS) 6" x 8 " / 5" x 7" CS Series 2-Way Coaxial Speakers Package

• 225 Watts Max Each, 75 Watts RMS Each
• 1/2" Polyether imide (PEI) balanced dome tweeter
• Polypropylene mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 2-3/16"

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
109
Was $114.98 Details
$87.91

In stock

• 225 Watts Max Each, 75 Watts RMS Each
• 1/2" Polyether imide (PEI) balanced dome tweeter
• Polypropylene mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 2-3/16"

2003-2010 Mercury Grand Marquis - Front Door Speaker Replacement Package | NVX

Simple plug and play installation, no cutting required

03-10-mercury-gmarqs-fdspkg big
Go to item page Right Arrow Icon of Right Arrow

Simple plug and play installation, no cutting required

• Peak Power: 270W Each
• RMS Power: 90W Each
• 2-Way Coaxial
• 4 ohm Impedance
• Polypropylene Cone Material
• Nitrile Butadiene Rubber Surround
• 20mm Silk Dome Tweeter

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

empty

found car based on your search
This product fits your 2003 Grand Marquis
158
Was $110.98 Details
$87.99

In stock

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    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.
    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.
    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.
    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!
    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!
    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?
    FAQ for your 2003 Grand Marquis

    Q: Can I upgrade the factory stereo system in my 2003 Mercury Grand Marquis?

    A: Yes you can improve your sound in your Grand Marquis by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 2003 Grand Marquis if there is a dash kit and harness solution available.

    Save up to 10 different vehicles in your garage

    2003 Mercury Grand Marquis

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner’s manual
    • Vehicle’s insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver’s side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon